Forestry Machinery Issue 9

HIGH

WORL EXCLU D SIVE!

WALKER!

PLUS!

A PF EXHIBITIO

FORESTRYSPEC HYUNDAI HX145A IN ACTION

PREVIEW

TIMBER HARVESTING ATTACHMENTS

TOP JOHN DEERE MACHINES OF G&G TIMBER HARVESTING

AUTUMN 2022 • ISSUE 9 • £4.40

TMK TREE SHEAR SHOWS OFF PRODUCTS AND DEVELOPMENTS

N

OWNER-OPERATOR

PROSILVA HARVESTER PLUS FACTORY WALK-AROUND

MARKET REVIEW - FIXED TOOTH MULCHERS

FORESTRY MACHINERY FOR ALL NEEDS  FROM LIGHT THINNING TO HEAVY FINAL FELLING

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WITH STEERABLE WAGON

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ED’S LETTER

HIGH

WORLD EXCLUS IVE!

WALKER!

EDITOR Kyle Molyneux kyle@sundialmagazines.co.uk ART DIRECTOR David ‘Spike’ McCormack ADVERTISEMENT SALES Alex Cronin 020 8639 4405 Tom Pickford 020 8639 4417

PLUS!

APF

EXHIBITION PREVIEW

TIMBER HARVESTING ATTACHMENTS

ADMINISTRATOR Martin Attis 020 8639 4409 PUBLISHING DIRECTOR Paul Cosgrove 020 8639 4401 CONTRIBUTING WRITERS AND PHOTOGRAPHERS Paul Argent, Eoghan Daly, Nick Drew, Ken Topham and David Wylie Forestry Machinery is published by Sundial Magazines Ltd, Sundial House, 17 Wickham Road, Beckenham, Kent, BR3 5JS TEL 020 8639 4400 FAX 020 8639 4411 EMAIL info@forestrymachinerymagazine.co.uk WEB www.forestrymachinerymagazine.co.uk SUBSCRIPTIONS Earthmovers subscriptions, Trinity House, Sculpins Lane, Wethersfield, Essex, CM7 4AY TEL +44 (0)1371 853632 EMAIL earthmovers@escosubs.co.uk Farm Machinery Journal subscriptions, Trinity House, Sculpins Lane, Wethersfield, Essex, CM7 4AY TEL +44 (0)1371 853634 EMAIL farmmachineryjournal@escosubs.co.uk NEWSTRADE Seymour Distribution, 2 East Poultry Avenue London, EC1A 9PT TEL 020 7429 4000 REPRO Design & Printing Solutions Ltd, The Coach House 101 Northwood Road, Whitstable, Kent CT5 2HE TEL 01227 770034

AUTUMN 2022 • ISSUE 9

FORESTRYSPEC HYUNDAI HX145A IN ACTION

TOP JOHN DEERE MACHINES OF G&G TIMBER HARVESTING

TMK TREE SHEAR SHOWS OFF PRODUCTS AND DEVELOPMENTS

OWNER-OPERATOR

Autumn 2022 Issue 9 COVER IMAGE David Wylie

PROSILVA HARVESTER PLUS FACTORY WALK-AROUND

MARKET REVIEW - FIXED TOOTH MULCHERS

WELCOME

to Forestry Machinery, the magazine dedicated to modern forestry equipment.

Approximately 70% of Scandinavia is covered in forest, so it’s no wonder there is an abundance of forestry machinery manufacturers in the region, particularly in the likes of Finland and Sweden. For this issue, Eoghan Daly headed over to the former nation in search of interesting kit and came back with plenty material. So much, in fact, I’ve had to hold back some of it for issue 10! There’s a great feature on long-time ProSilva user Heikki Heino (page 36), plus a look behind the scenes at ProSilva itself (page 30). Eoghan also met the ambitious minds behind TMK Tree Shear (page 54) and learned more about the company’s latest products including new MultiGrab.

This issue’s cover story is another cracker – and a big exclusive! David Wylie tracked down the world’s first Hyundai HX145A LCR in High Walker forestry

PRINTING Walstead Southernprint, 17-21 Factory Road, Upton Industial Estate, Poole, Dorset, BH16 5SN

specification (page 18), working in Scotland and getting stuck into thick gorse

COPYRIGHT Sundial Magazines Ltd 2022. All rights reserved.

Reproduction in whole or in part is forbidden without the express permission of the publishers.

worthwhile upgrades to create its ultimate forestry excavator.

Sundial Magazines Ltd. Registered in England no. 4134490.

handy Market Review, this time covering fixed tooth mulchers from a host of

CONDITIONS FOR ADVERTISING All advertisements are accepted subject to the publisher’s standard conditions of insertion. For a copy of advertising terms & conditions, please write to Paul Cosgrove at Sundial Magazines Ltd, Sundial House, 17 Wickham Road, Beckenham, Kent, BR3 5JS

manufacturers. We’ve also added a new Used Machinery section at the back of the

with its flail attachment. Not done yet, owner MAM Contracting has made a few

Elsewhere in this edition of Forestry Machinery, Ken Topham is back with another

magazine, which provides a useful snapshot of the market and covers some interesting metal. By issue 10, I hope to have further input from traders in this area, who will no doubt share advice worth listening to. Until next time!

Kyle Molyneux, Editor FREE!!! CONTRACTOR HANDBOOK WITH THIS ISSUE*

& MACHINERY NEWS

EARTHMOVERS NUMBER ONE FOR ALL THE LATEST PLANT

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FORESTRY MACHINERY AUTUMN 2022

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CONTENTS

CONTENTS AUTUMN 2022

REGULARS 3

WELCOME What’s in store for readers of issue 9

7

NEWS The latest updates and developments

FEATURES 10 SHOW PREVIEW 2022 APF EXHIBITION The APF and Arb shows join forces

18 NEW MACHINE HYUNDAI HX145A LCR HW World’s first High Walker model in Scotland

24 TIMBER HARVESTING G&G TIMBER HARVESTING Brand new machines from John Deere

30 COMPANY PROFILE PROSILVA Finnish firm stands out from the crowd

36 OWNER-OPERATOR PROSILVA S4 HARVESTER Heikki Heino is on his third ProSilva unit

42 TRACKED SKID-STEER JCB 325T Tracked JCB Forestmaster skid-steer

48 TREE CLEARANCE MAPLE TREE CARE Kobelcos clear poplars in Derbyshire

54 FACTORY VISIT TMK TREE SHEAR

60 BOGLAND REVIVAL ENVIRONMENTAL FORESTRY SERVICES Returning sites to nature the right way

64 MARKET REVIEW MULCHERS A close look at fixed tooth machines

72 USED MACHINERY FORESTRY VETERANS Second-hand kit that caught our eye

Behind the scenes at the company

FORESTRY MACHINERY AUTUMN 2022

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NEWS

FORESTRYMACHINERYNEWS

TIGERCAT 6900 GRINDER T

he 6900 is the first production grinder designed and built by Tigercat. The 6900 is a heavy-duty upswing grinder made for high throughput material reduction and mulch production.

The upswing rotor and large infeed opening with outward wing walls are said to maximise processing capacity, while the grinder’s upper frame pivots on the undercarriage, allowing the operator to adjust the infeed angle or discharge height for different material lengths.

Meanwhile, the adjustable angle eliminates the need for outriggers,

and the pivoting upper frame allows transport on a 460mm lowboy trailer without the need to fold the discharge conveyor.

The machine has remote control functions, along with a 10-inch display for machine monitoring and function adjustment.

Maintenance promises to be straightforward, and an optional large diameter magnetic head pulley is available to effectively remove metal from the end product. The machine is also prepared to accept over-band magnet systems.

KRONOS SMART BOOM CONTROL

Smart Boom Control is a crane tip control from Kronos and is a part of the xCrane system. Available for new cranes or as a retrofit for used cranes, Kronos says SBC means the operator only needs to think about controlling the crane tip instead of controlling each movement separately.

This latest 2.0 version of SBC now includes a sensor on the turn axis, making it possible for SBC to automatically lower the movement speed of the crane, while the crane tip is inside the loading area. This gives the operator a more precise control of trailer loading. The system will also switch to regular operating mode while the crane is being moved to parking position, which makes the parking of the crane easier.

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MULAG MOWER Wildflowers are set to bloom on roadside verges across the north of England after specialist contractor GVA became the first UK customer for a new, environmentally-friendly mowing head designed to protect insects and other creatures.

The Eco 1200 plus head was developed by Mulag and delivered by South Cave Tractors, the German manufacturer’s sole agent in the UK. It has now been fitted to the PTO-operated Mulag SB600 suction mower that Halifax-based GVA has been using since 2019. This was also supplied by South Cave Tractors, of Brough, East Yorkshire, as was the Mercedes-Benz Unimog on which it is mounted. The 4x4 vehicle pulls a Harsh drawbar trailer with grass collection box.

The Eco 1200 plus head features a disc mower, ahead of which a mechanical scourer is fitted. The scourer ‘chases up’ insects sitting in the grass before the cut material is sucked up from above. The mower has a 1.2m cutting width and also employs ‘sensor rollers’ that offer reduced ground contact and thereby provide more protection than a conventional pressing roller.

GVA will be deploying its impressive looking Mulag mowing and collection system on motorway and major A-roads throughout northern England, as it becomes a direct supplier of ecology and landscaping works services to National Highways, formerly known as Highways England.

BRACKE FOREST SOLD TO KOMATSU Komatsu Forest AB, fully owned subsidiary of Komatsu Ltd, has acquired Swedish equipment manufacturer Bracke Forest AB from Cranab AB (part of Fassi Group). Bracke Forest had been part of Cranab Group since 2013, and its sale will open up new funds for Cranab AB to divert into its own operation.

Bracke Forest will continue as before under the current company name, and the management of the company will be the same with Klas-Håkan Ljungberg as CEO. The sale will allow Bracke Forest to take advantage of Komatsu’s sales and service network.

PONSSE MILESTONE The 18,000th Ponsse forest machine was recently completed at Ponsse’s factory in Vieremä, Finland. After its handover, the Ponsse Elk will be operated by VMC Bois in France. Entered in serial production in 2005, more than 1,000 PONSSE Elk forwarders have been completed, delivered to over 20 countries and tested in real-life conditions across the globe.

Starting as the dream of Einari Vidgrén, Ponsse is a familyowned business that now operates in the harvesting markets of over 40 countries. All Ponsse forest machines are still manufactured in the company’s birthplace in Northern Savonia, Finland.

RECORD VISITOR NUMBERS Forestry England, the country’s largest land manager, has recorded the highest ever number of visits to the nation’s forests across England over the last year. Some 363 million visits were estimated to have taken place – an

increase of 67 million (over 20% per cent) compared to the previous year’s estimate. This is the second consecutive year Forestry England has seen a substantial increase, and memberships are also up 38% on the previous year.

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ADVERTISMENT FEATURE

Seeking machine operators to deliver peatland restoration

P

eatland ACTION - with funding from Scottish Government’s pathway to net zero by 2045 - are improving the condition of degraded peatlands across Scotland.

Peat is the largest and most efficient land-based store of carbon, capable of storing on average 10 times more carbon per hectare than any other land-based ecosystem. However, Scotland’s peatlands are in such poor condition that they are emitting carbon rather than storing it.

The best available evidence suggests damaged peatlands are responsible for 20% of Scotland’s total carbon emissions.

However, peatlands can be restored to nearnatural conditions.

The main objective of peatland restoration is to create conditions that reduce the loss of organic and atmospheric carbon, and encourage the growth of active, peat-forming plant species.

This is done using techniques that raise the water table and stabilise the peat, such as ditch blocking, re-profiling peat hags and revegetating bare peat areas.

This kick-starts the process of changing a peatland from one that is releasing

carbon to one that is actively capturing it.

Restoration will ensure that Scotland’s peatland landscape is more climate-ready - better able to cope with the anticipated effects of climate change - and to continue to provide essential ecosystem services. This includes alleviating the challenges associated with both flood events and drought conditions.

The restoration of peatlands can also address the biodiversity crisis. It does this by restoring valuable habitats which support higher plant diversity, and in turn, higher numbers of invertebrates - a food source for birds such as grouse and other upland species.

In 2020, the Scottish Government made a commitment to a £250 million ten-year funding package to support peatland restoration, with a target of restoring 250,000 hectares of degraded peatlands by 2030. This investment, and target, means that peatland restoration will continue to be one of the most important nature-based mechanism available to help deliver Scotland’s ambitions to reach net zero by 2045.

MA DO KE Y TH OU Forest-to-bog E restoration CU Peatland restoration is one part of managing forestry sustainably within the wider landscape.

Historically, plantations on deep peat were established before the environmental sensitivities and impacts of doing so were not appreciated. In addition, the potential for tree growth on deep peat is compromised by the combination of waterlogged, low nutrient, acidic conditions of a typical peatland habitat. Today, carbon calculations inform whether to restock existing afforested peatland areas or “restore” the peatland.

The shears harvesting phase Forestry and Land Scotland (FLS), a Peatland ACTION partner, is helping to restore Scotland’s peatlands.

First, a specially adapted excavator with wide tracks and a shears harvesting head snips the trees just above the roots. The whole tree is then passed several times through a second machine, a conventional harvester, which removes the brash (branches) from the main trunk. The brash is used to create a mat so that a third machine, a conventional forwarder, can follow on behind, collect the logs and take them to the forest road for collection to the mill.

Peatland restoration phase The main objective of peatland restoration is to twofold: stabilise the peat to secure the existing carbon store “now”, and encourage the growth of active peat-forming, carbon-sequestering vegetation for “the future”.

To achieve successful restoration of previously afforested peatland habitats, the ridges and furrows - created when the trees were originally planted need to be levelled or smoothed.

Ground smoothing covers a range of operations, including for example, stump flipping. Stump flipping involves lifting the remaining tree stumps and shallow root system left by the shears harvester, flipping them over and squashing them down into the furrows with the back of the bucket.

The benefits of forest-to-bog restoration The benefits of peatland restoration are far reaching. It not only helps to keep existing carbon stores in the ground: a healthy peatland is also better able to support a range of species, many of which are unique to peatland habitats. Some of these habitats expand existing areas, often within designated protected sites, making the landscape as a whole more robust and resilient to the anticipated effects of climate change.

For example, peatlands with a water table near the surface are better able to cope with the effects of wildfires. As the climate warms, we are seeing an increase in wildfires not just in Scotland but also across Europe. A high water table keeps the surface vegetation wet, helping to reduce the impact of drought, reduce the risk of wildfires and slowing their spread when they do occur. A good example of this was the wildfire event at Golticlay Forest in Caithness in 2019 where peatland restoration helped prevent the fire spreading.

Peatland ACTION are ramping up efforts to meet this ambition and we are actively seeking contractors to get involved in peatland restoration.

Contact us today to be added to our contractor list to receive job alerts, training dates and latest project news peatlandaction@nature.scot

T

“AROUND 300 EXHIBITORS AND AROUND 25,000 VISITORS ARE EXPECTED”

RJ Fukes just one of many large dealers in attendance at APF.

TWO FOR ONE After a four-year break, the APF show is back with a bang as organisers join forces with The Arb Show for an exhibition like no other, as David Wylie explains IMAGES DAVID WYLIE

F

or this year, APF 2022 has joined forces with The Arb Show, effectively giving exhibitors and visitors two shows for the price of one. Taking place on September 22 to 24 at Ragley Estate in Alcester, Warkwickshire, around 300 exhibitors and around 25,000 visitors are expected over the three days.

One big draw of this year’s exhibition is that much of the machinery is shown working under realistic conditions. Many of the large machinery dealers will be in attendance including Ponsse, R J Fukes, Kingswell Holdings, W M Clark, Clark

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AUTUMN 2022 FORESTRY MACHINERY

Tracks, Case IH, Jas Wilson and many more.

However, we are not expecting to see the likes of Tigercat, Rottne, John Deere and

British Horse Loggers.

Komatsu. If you want to find out the full line-up, a complete exhibitor list can be found at www.apfexhibition.co.uk.

Event organisers want APF 2022 to be not just the place to buy machines and meet colleagues, but where you can learn new skills, keep up to date with the latest news, see the latest technology in action and be able to talk to industry experts about every aspect of forestry machinery and equipment.

The list of high class competitions is longer than ever. There is the Husqvarna world 25m pole climbing championship,

SHOW PREVIEW | APF EXHIBITION Buy tickets in advance to ensure swift entry.

Simulators should help to attract new blood to the industry.

Ian Millward has been the APF Exhibition secretary since 1994.

Husqvarna world 25m pole climbing championship.

Tilhill European chainsaw carving championship.

the A W Jenkinson and Tilhill European chainsaw carving championship, the Harkie UK Open tree climbing championship, and the McVeigh Parker UK Open fencing championship.

In the Forest Worker Zone, there will be a Komatsu harvester simulator, chainsaw maintenance workshops, information on chainsaw competency and the new guides for using tree shears. Advice on the new rules for producing and selling firewood, the new FC funded project for mapping the UK’s coppice resource, winching safety demos and discussions on the training needs for forest workers, as well as the infamous chainsaw holdout competition!

FISA has managed to get a Komatsu simulator which is believed to have been donated to Barony

college for training purposes, to help attract new blood into the industry and help train the next generation of operators.

equipment and techniques, a technical demo area will see workshops by all the main manufacturers on the latest hand tool technology and maintenance and the COMBINED SHOW arborists workshop will see short seminars The new Arb Worker Zone will see demos of by industry experts on the latest topical issues such as plant health, safety and the latest new climbing and rigging training.

In the new tree climbing area, in addition to the premier UK Open competition, there will be a competition for the novice climber as well as an exciting team rigging challenge. There will also be the opportunity to try out and use new Harkie equipment under expert guidance. Training features strongly with Lantra and City and Guilds on hand to give details of the latest courses and assessment. The British Horse Loggers will be offering a fantastic opportunity to have a go at horse logging, too.

This year’s exhibition also Training for real includes a truly remarkable machines on the range of traditional woodland Komatsu simulator. craft demonstrations.

FORESTRY MACHINERY AUTUMN 2022

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SHOW PREVIEW | APF EXHIBITION Robustrack debuts at APF and will have lots on display.

EXHIBITOR DETAILS Robustrack Oldbury-based Robustrack is a family-run business and exclusive distributor of Italian hydraulic attachments and Eurocomach machines, with nationwide links. This is Robustrack’s first time at APF and the company is said to be incredibly excited to exhibit. On display will be the Agriforest range of log grabs and tree shears plus stump grinders, grapple saw and of course, Robustrack’s flail and mulcher range. The company will be debuting its fixed-tooth skid-steer mulcher and the incredible Eurocomach 90ZT excavator. Merchandise, such as Robustrack hoodies and hats will be available to “YOU CAN purchase.

Visitors are LEARN NEW welcome to pop by the demo SKILLS, KEEP circuit and say hello to Davide UP TO DATE and the WITH THE Robustrack team.

LATEST NEWS, AND SEE THE LATEST TECHNOLOGY IN ACTION”

South Cave has dealt in Mercedes Unimogs for over 50 years.

Specially adapted tractor with roll cage and swivel seat/controls.

South Cave Tractors East Yorkshirebased South Cave Tractors Ltd is the regional main dealer for Mercedes-Benz Unimog vehicles, which has been involved in the Forestry and Arboriculture industries almost since its creation 75 years ago, and for more than 50 of those years South Cave Tractors Ltd has been synonymous with the name Unimog here in the UK. The firm be showing a good selection of the very latest range of Unimog models available, including new U535 UGE model with the latest 350hp engine producing 1,380Nm of torque, and you can see why the Unimog continues to enjoy a unique place in the forestry sector.

Case IH Case IH will be exhibiting at APF for the first time this year and will feature a Puma 175 CVX tractor complete with full forestry kit, kindly lent from Forestry England. This specially adapted tractor with roll cage is fully reversible, with swivel seat and rear controls. A multipurpose vehicle, it can undertake various tasks associated with forestry such as mulching brush cut from trees, creating routes that provide accessibility for other machinery and transporting logs. It can be ordered fully fitted from the factory on any tractor from Luxxum to Magnum, with optional dual wheels for extra stability. For more FORESTRY MACHINERY AUTUMN 2022

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VISIT US AT

THE APF

SHOW 2022 22ND - 24TH SEPT

EXPERTS IN MODERN FOREST TECHNOLOGY

THE PERFECT SOLUTION THAT ADAPTS TO YOUR EXACT REQUIREMENTS

For more information contact:

Simon Rudyard: 07585 118136 simon.rudyard@chandlersfe.co.uk

SALES | PARTS | SERVICE www.chandlers.co.uk Chandlers Kesla-FP.indd 1

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APF EXHIBITION | SHOW PREVIEW Chandlers Forestry Equipment stand is one to look out for.

information on the machine, call Anton Stander on 07725 069237, or contact your local Case IH dealer.

An important message from UK Power Networks.

UK Power Networks UK Power Networks will be at APF raising awareness on working safely around the electricity network. Tree trimmers and the arboriculture industry are being reminded of the risks associated with overhead electricity wires by the UK’s biggest electricity distribution company, UK Power Networks said, “We’ll be highlighting the need to ‘Look Out, Look Up’ and where to obtain safety guidance.” Visitors to the interactive stand can pick up free safety giveaways, too!

“THE TEAM ATVTrac The team behind BEHIND ATVTrac makes their debut at ATVTRAC APF 2022, showcasing their MAKES THEIR anti-theft DEBUT AT tracking technology that is APF 2022” increasingly being adopted by the industry. Initially specialising in the agriculture market, the system’s small, discreet and lightweight attributes have been quickly adopted by many kinds of businesses looking to protect their machines. The team will demonstrate how the system can protect all manner of equipment, from ATVs to woodchippers, showing how it can not only be used to protect against theft, but can safeguard lone workers too in certain situations with ATVTrac multi-tier technology.

Chandlers Forestry Equipment Chandlers Forestry Equipment will be displaying and demonstrating its range of Kelsa Forestry Equipment in conjunction

ATVTrac will showcase anti-theft kit for various machines.

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AUTUMN 2022 FORESTRY MACHINERY

with the very well matched Valtra Forestry Tractors. Supporting its UK-wide sales, parts and service dealer network for Kesla, there will be a range of Timber cranes and grabs, both tractor- and trailer-mounted including the popular 326T model, as well as the Kesla C645T Tandem Axle Heavy Duty Chipper in action, which is ideally suited to the Valtra T254 tractor.

APF EXHIBITION | SHOW PREVIEW High performance mulchers from Spaldings Forestry.

“AT APF, SPALDINGS WILL HAVE A RANGE OF TMC CANCELA MACHINES”

Spaldings Forestry Spaldings Forestry is a division of Spaldings Ltd and is the UK and Ireland exclusive supplier of TMC Cancela, a manufacturer of agricultural, forestry and hydraulic machinery specialising in the process of mulching and ground clearance. At APF, Spaldings will have a range of TMC Cancela machines, which are said to be earning a positive reputation thanks to heavy-duty build, innovative features and the userfocused philosophy of the manufacturer.

These high performance mulchers will be complemented with a wide selection of forestry hand tools, including chainsaws, brushcutters, hand tools and climbing equipment.

wide range of attachments for Wacker Neuson machinery, and their experts will be on hand to share their knowledge of the equipment and to answer any questions from show visitors.

Close Brothers Asset Finance Over the last 30 years, Close Brothers Asset Finance has grown to become a top asset finance company, providing finance for

businesses wanting to buy new or used equipment. Working closely with individual businesses, its team of experts offer tailor-made, practical solutions that help enable success and growth. This will be the first time Close Brothers’ newly formed Agriculture team has attended APF and the team will be on site ready to help with any finance requirements for forestry machinery.

Reeds Construction and Engineering Reeds Construction and Engineering will be displaying a wide range of state-of-the-art plant and equipment from the likes of Stehr, MeriCrusher, Fransgard and Wacker Neuson machinery, for whom they are UK sales representatives. Reeds also specialises in track recycling, forestry, crushing and a

Forestry hand tools including chainsaws, brushcutters and climbing gear.

EXHIBITION INFO Organisers revealed to Forestry

group together, the cost of buying

cannot be guaranteed on the day.

are no organised transfers from

Machinery magazine that advance tickets sales are at record levels.

Buying tickets in advance at £21 will ensure swift entry to the show and visitors will save £4 on the gate price. A 2-day ticket is just £37 and a 3-day only £53. If you can get a

10 or more tickets is just £19 per

Please pre-book to ensure a pitch.

local railway stations or airports.

ticket.

Local hotels and B&Bs can be

Organisers have, however, made

found around Stratford upon Avon

sure their 5,000-capacity car park

from the entrance, and camping

– located just 10 miles away – and

is more than fit for purpose.

can be booked online for £18 per

there should be a wide range of

person per day. However, bookings

accommodation to suit all

APF Exhibition, head over to

are already very high, and places

pockets. Note though, that there

www.apfexhibition.co.uk.

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AUTUMN 2022 FORESTRY MACHINERY

On-site camping is only 200m

For full details about this year’s

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WORLD EXCLUSIVE!

BIG FOOT

H

eadquartered in Crieff, Scotland, MAM Contracting (MAM) was established in 2004 by Mike Melville. Mike started out as an agricultural apprentice mechanic, then moved on to becoming a machine operator, cutting his teeth on a JCB 812 power-slide excavator. After 15 years’ experience and gaining an HNC qualification in construction management, Mike’s plan was to start a new business and live halfway around the world in Australia, however that plan suddenly changed when his father fell ill and passed away at an early age, leaving Mike to return to the UK to look after his dad’s small farm contracting business, consisting of two Ford agricultural tractors.

Mike then rapidly developed and expanded the business and, along with his experienced and skilled team, has built a portfolio of projects including green energy run-of-river hydropower schemes, which he and the team are incredibly proud of. Today, MAM is one

David Wylie visits the world’s first Hyundai HX145A LCR High Walker forestry-spec excavator, travelling to Perthshire in Scotland to see MAM Contracting’s modified machine in action

IMAGES DAVID WYLIE

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AUTUMN 2022 FORESTRY MACHINERY

NEW MACHINE | HYUNDAI HX145A LCR HW The standard machine weighs in at 18,120kg, but MAM’s is around 20 tonnes with its larger footprint.

The slew turret can also accommodate 1,200mmwide track pads.

“TODAY, MAM IS ONE OF THE LEADING PRIVATELY-OWNED CIVIL ENGINEERING COMPANIES IN SCOTLAND”

of the leading privately-owned civil engineering companies in Scotland. A registered member of CITB Construction Skills, the company’s services range from the construction of high-quality hydro schemes, new access roads and forestry bridges, to smaller projects such as new-build groundworks, landscaping, and monoblocking. It also offers rents out a modern fleet of machines through its plant hire operation.

MAM Contracting has a team of over 30 people and more than 20 individual subcontractors. The company is the main contractor of bridge maintenance and building (subject to certain tender values) for Forestry and Land Scotland (FLS), which is the Scottish Government agency responsible for managing our national forests and land. A recent project undertaken by MAM involved constructing a new spur road and upgrading a forest road at FLS’s Loch Nant site, complete with surface water drainage and ditches.

Lengthened undercarriage with 11 extra track pads significantly reduces ground pressure.

TREADING LIGHTLY MAM owns the world’s first Hyundai HX145A LCR HW (High Walker) forestryspec excavator, and the impressive standard undercarriage frame has been further modified by John Craig at JCC Group based in the nearby Stirling area. I met up with Mike Melville to find out more.

Mike explained that he has a great working relationship with the Hyundai dealer through Leigh Dalgleish Sales Manager (Central Region) H.R.N. He commented, “Leigh Dalgleish is great to deal with as he is very honest and straightforward, and over the years we feel he’s always had the customers best interest at heart, and we FORESTRY MACHINERY AUTUMN 2022

19

HYUNDAI HX145A LCR HW | NEW MACHINE

S

set of variable displacement

and welcomes the ground level

HW, and has just under a year on

tandem axis piston pumps that

access to filters, lube fittings and

a conventional counterbalanced

produce 2x 127L/min and a fixed

HX140 L with a modified and

displacement gear pump single

master switches make servicing

lengthened undercarriage. “The

stage pilot pump at 29.3L/min.

high undercarriage is ideal for

Both Mike and Shaun report that

straddling tree stumps when we

the combined hydraulic pump

undertake stump mounding work.

capacity helps to deliver great

intervals for the pre-filter, engine

The 145’s lengthened

hydraulic flow to the hydraulic

oil filter and fuel filter have

undercarriage helps a lot, as it’s so

attachments, such as this

increased from 500 hours to

firmly planted on the ground, even

powered flail mower seen during

1,000 hours thanks to the CK-4

when swinging the heavy mulcher.

our visit.

engine oil.

haun Stewart is the lucky operator of the new HX145A LCR

It very rarely lifts a track when

VIEW FROM THE CAB 20

AUTUMN 2022 FORESTRY MACHINERY

The HX145A LCR comes with a

Shaun commented, “The

all the regular servicing himself

more convenient. The machine has two longer lasting filters (1,000-hour), and service

Shaun mentioned the cab of

swinging over the side at full

HX145A has plenty of hydraulic

reach. I presumed the High Walker

flow and power which makes a

design would have had a bit of a

massive difference to the

nod to it, but that’s not the case

hydraulic performance of the

with this machine and certainly

hydraulic powered attachments,

and responsive hydraulic control

not with this lengthened

such as this powerful fixed-tooth

levers and the thumb-mounted

undercarriage modification,”

mulcher drum.”

proportional controls to work the

Shaun continued.

Shaun explained that he does

the HX145A LCR reduced tail-swing is very comfortable and quiet, and also likes the smooth

front end attachments.

Clearing thick gorse around young trees with a rigid drum flail attachment.

also feel we’re really looked after by Leigh and the rest of the Agritrac team at HRN and the Hyundai product is excellent.

“The regular minor services at 500 hours we do ourselves, as we buy a 4-year service plan from Agritrac for the filters etc, with the main servicing carried out by the dealer,” Mike continued. “And the machines are so reliable we’ve not really needed their backup service. That said, in general we have always found them to be responsive to our calls for assistance.

“We looked at High Walker excavators Above: 3.8-litre from other manufacturers, but to my mind Cummins 4-pot is Stage 5-compliant. there is simply nothing else out there that can touch the Hyundai for build quality, robust undercarriage, price, performance, ease of maintenance, “TO MY MIND low running cost and dealer THERE IS SIMPLY backup,” Mike affirmed.

MADE TO MEASURE

NOTHING ELSE OUT THERE THAT CAN TOUCH THE HYUNDAI FOR BUILD QUALITY”

As seen at the recent ScotPlant show on the HRN stand, in standard trim on 800mm-wide pads, the HX145A LCR HW weighs in at a very respectable 18,120kg to produce a low ground pressure of just 0.34kgf/cm2.

However, Mike asked John Craig at JCC Group to lengthen the undercarriage, which increases the machine weight to around 20 tonnes, while boosting stability; extra track pads support the machine’s weight and significantly reduce ground pressure.

Mike explained that the undercarriage was lengthened by 1.04m for 11 extra track pads on each track frame, which gives 5.5 pads on the ground. Three extra bottom rollers were added, and a bottom roller used as an additional top roller to support the tracks/chain and it’s currently sitting on 800mm-wide track pads and Mike has a set of wider 1,200mm track pads – aimed at peat restoration jobs where extreme LGP equipment is required.

TECH SPEC HYUNDAI HX145A LCR HW ENGINE CUMMINS 3.8L 4-CYLINDER TURBOCHARGED (STAGE 5) GROSS POWER 100KW (134HP) @2,200RPM NET POWER 98 KW (131HP) @2,200RPM MAXIMUM DRAWBAR PULL 16,717KGF FOR HIGH WALKER MODE VERSUS 12,672KGF FOR STANDARD HX145A LCR TRAVEL SPEEDS HIGH WALKER: 2.5KM/H (LOW), 4.4KM/H (HIGH); STANDARD 3.3KM/H (LOW), 5.6KM/H (HIGH) GRADEABILITY 35 DEGREES (70%) SWING SPEED 11.4RPM FUEL TANK 210L DEF/ADBLUE TANK 27L

Below: One of four cameras fitted to the Hyundai as standard.

Below right: Display for high-tech AAVM camera system.

OPERATING WEIGHT 18 TONNES BUCKET CAPACITY 0.50-0.77MÐ

Above: The cab is said to be very comfortable and quiet.

FORESTRY MACHINERY AUTUMN 2022

21

HYUNDAI HX145A LCR HW | NEW MACHINE This latest undercarriage modifications take the total to five machines JCC Group has carried out for MAM in recent years. As Mike has taken all reasonable steps to help ensure his machines do not become bogged in very soft ground conditions in either very wet forestry applications, or in peat restoration jobs which is becoming more regular work. In his experience, simply putting on extra wide tracks won’t cut it on peatland, as you need the extra long undercarriage too, as Mike feels it simply 100% safer for the operator.

As a Perthshire St Johnston football team sponsor, MAM has a very nice company livery. “We sat down with Leigh and picked different colours for the rams, cab panels and handrails and so on,” explained Mike.

“It’s a fantastic service given the work that is involved and very cost effective.” MAM also has plans to make the HX145A LCR HW even more versatile and safer as a tilt-rotator from Rototilt will be fitted. Until then, the machine will mainly be working with an existing tilting hitch from Geith. IDig will also be fitted for simple machine guidance for drainage work. The front cab guards and powerful LED light bar were sourced and fitted by the Agritrac team.

Mike sees many applications for his new HX145A LCR HW near zero-tailswing machine, where it could sit on a lane closure or narrow well-establish tree-lined lanes, for example, and tackle felling trees with stage 3 and 4 ash dieback disease as more enquiries are being received for this type of work. And quick deployment of bog mats or bolt on rubber city pads will protect the road surface from any possible damage from the existing steel track pads.

ON THE JOB At the time of our visit, Shaun and the new HX145A LCR High Walker were busy tackling a large amount of thick gorse plants on an estate for Scottish Woodlands near the town of Comrie in Perthshire. The thick gorse, some 40mm in diameter, was becoming a problem for a young crop of recently planted trees as they were stifling growth. However, they were proving no match for the fixed teeth on the high-speed drum of the powerful flail head attachment.

At just 2,840mm wide (with 800mm wide track pads fitted), the High Walker was also able to easily slip through a standard forestry or farm gate to reach the steeper

Above: Mike envisages many applications for his new Hyundai.

Right: Compact enough to slip through gates without issue.

“THE UNDERCARRIAGE WAS LENGTHENED BY 1.04M FOR 11 EXTRA TRACK PADS” ground in the adjacent field.

The High Walker model has very powerful track motors, with a maximum drawbar pull of 16,717kgf versus 12,672kgf for the standard HX145A LCR excavator model, to power the extra long undercarriage up the hill to start mulching the extensive coverage of gorse, which will take at least three days to clear.

At the steepest part of the hill, the long undercarriage provided excellent grip and lowdown stability and the machine’s powerful swing motor has sufficient grunt to rotate the upper structure through a 180-degree arc for fast cycle times.

FLAIL HEAD MAM Contracting’s Mike Melville has also adapted the powerful flail with a fabricated heavy duty post that is used to help lift the long undercarriage off the ground to quickly change direction, rather than put high load forces through the endplate drum of the flail attachment itself. The post is also used to assist with climbing steeper ground in much the same way as a bucket is.

22

AUTUMN 2022 FORESTRY MACHINERY

The HX A-Series has a state-of-the-art AAVM video camera system to provide 360-degree vision for operators. There’s also a very useful Intelligent Moving Object Detection system to inform the operator when people or moving objects are detected within the range of operation (5m).

With the world’s first Hyundai HX145A LCR High Walker forestry spec excavator now out earning its keep, MAM will be putting this machine – and its skilled operator – to good use across its varied applications, from simple mulching to more complex forestry road and bridge building and small hydro schemes for many years to come.

KETO

NEW RELEASE! KETOFORST KETO150

Xtreme V2

Karate Multi

Dealer: Jas P Wilson Forest Machines info@jaspwilson.co.uk tel 01556 612 233 KETO-FP.indd 1

14/03/2022 13:26

G

&G Timber Harvesting Ltd of County Laois recently acquired a new John Deere 1270G 8-wheeled harvester with new-generation H425 harvesting head, paired with a new John Deere 1010G forwarder.

Arguably two of the highest specification machines to enter service with an Irish contractor in recent times, much of G&G’s future prosperity rested on the choices of Greg and Garrett Cuddy, so it’s understandable why they’ve gone to town here.

Running a Komatsu 901XC 8-wheeled harvester with a C123 harvesting head since it arrived new as a successor to a 6-wheeled Komatsu 911 in 2018, three and a half years of successful harvesting had been achieved with 3,600 largely incident-free hours recorded.

Deciding the time was right to upgrade before the onset of fading reliability, the same thinking applied to a John Deere 1010E forwarder, which had served the operation since 2017 with over 11,000 hours service contributed.

“Even though the Komatsu 901XC was an excellent harvester and worked very well in some challenging sites in thinning and clearfell, we still looked at all the options before deciding on our next machine,” Greg explains. “We ran a Ponsse Scorpion King on demonstration and even though it was a strong contender, we decided to look more closely at what John Deere could offer us.”

While an 1170G from John Deere would be the most likely successor, Greg and Garrett believed such a machine would be slightly out of its depth when faced with completing all stages of

“A 1270G FOR HARVESTING ACTIVITIES COMPRISING A HIGH CONCENTRATION OF THINNINGS MAY SEEM AMBITIOUS TO SOME”

Garrett and Greg Cuddy with saw operator Leo Brophy.

GREEN

DREAMS IMAGES EOGHAN DALY

Regular machine replacement and upgrading is the key to consistent performance and reliability. Eoghan Daly reports on the high-specification John Deere machine choices of G&G Timber Harvesting in Ireland

24

AUTUMN 2022 FORESTRY MACHINERY

TIMBER HARVESTING | G&G TIMBER HARVESTING

New John Deere 1270G with H425 head in thinnings. thinnings as well as clearfell harvesting on difficult terrain in the Slieve Bloom Mountains region where they hold a long term contract harvesting for Coillte.

Therefore, an 8-wheel-drive 1270G seemed the best solution provided it could be fitted with wider tyres and remain narrow enough for effective stand penetration in thinnings. With John Deere having taken all G&G’s requirements on board, the manufacturer returned with a proposal.

CUSTOMER FOCUS “Garrett and myself sat down with Ed Power at John Deere Forestry and we could see straight away that he was serious about getting us the machine we wanted,” Greg recalled. “The 1270G was always going to be in a different league to machines like the 1170G, which would struggle long term harvesting in the areas we work. Many of the sites are second and third rotation on very challenging ground,

so they call for more than just any harvester to get through the work productively and still be kind to the ground and remaining trees when thinning.”

Even though machines like their new 1010G forwarder may be a common sight in thinnings, the choice of a 1270G for harvesting activities comprising a high concentration of thinnings may seem ambitious to some. However, potential is found in the machine’s dimensions, which reveal it’s more compact than many other machines engaged in long term thinning operations; far from a standard 1270G, G&G’s machine measures 2.99m wide on 800mmwide tyres, which is the secret to its success.

“By fitting the 800mm-wide tyres, we have been able to increase floatation by 30%, which is a massive plus for the machine,” Greg explained. “Even though the machine’s width has been kept narrow, this extra tyre width means it is also really stable.”

Going to work in a thinning at Glenafelly, close to Kinnitty, FORESTRY MACHINERY AUTUMN 2022

25

JOHN DEERE H425 HARVESTING HEAD As the largest model in John Deere’s H400 range, the H425 is ideally suited for mounting on G&G’s 1270G harvester. Launched in 2021, the H425’s design advancements have clearly taken forward the John Deere harvesting head concept by a number of important steps.

Updates include re-routing of hoses to the outer feed motors through the frame, for a more streamlined look and improved damage protection. Elsewhere, head services access to the head has been improved, with all grease points reachable when the head attains the single upright position, eliminating the need for time consuming repositioning through the greasing process. In addition, access to the head’s valve chest assembly is eased considerably through a hinged rear cover, which opens clear by releasing two bolts.

The head features the latest SuperCut 100S saw-motor for a fast and precise cutting action. Other benefits of this set-up include reliable automatic chain tensioning and an ability to facilitate chain replacement without the need for tools.

As a four-roller head, the angular position of the outer rollers help cup the stem in the head, while the two embedded rollers in the frame of the head create a feeding ring around the stem as it passed through the unit. Further enhancing performance, the outer rollers were specified as TP feed wheels for enhanced grip during the feeding action without being overly aggressive thanks to their spike profile.

Variable speed feed motors units were turned down in favour of a 500 and 780cc motor combination, which balances speed and feed force. The delimbing action is boosted by four movable and two fixed knives. “Even in coarse timber, the H425 cleans the log very well and keeps log lengths very accurate, which is the real test of what it can do,” Greg said. “This head is a massive improvement over previous John Deere designs – it has been changed in so many ways for the better.”

Hoses to motors sent through frame.

Aimed at 250-500mm diameter trees.

Maintenance access on the H425 is about as good as it gets; SuperCut 100S motor.

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AUTUMN 2022 FORESTRY MACHINERY

County Offaly, the machine’s manoeuvrability in the stand was extremely impressive and it had no difficulty in passing through the thinned racks, nor any issues dealing with steeper terrain. On completion of this assignment, the 1270G moved to the ecologically sensitive Glenregan valley for completion of a clearfell with an average tree size of 0.62 cubic metres. The machine’s light footprint and excellent stability with the crane in use allowed it to rapidly progress through the site.

Speaking of the crane – utilising the proven parallel design for decades on the 1270 concept, the CH7 offers a reach of 10m in G&G’s configuration and is specified with the optional IBC system.

“The IBC [Intelligent Boom Control] really is a brilliant feature and makes operating the machine so much easier,” said Greg. “It is amazing how well the crane follows the ground at a precise level and on steep sites. It’s just a case of selecting up or downhill mode. In both the thinning and clearfell, where many trees were well beyond the 0.62 cubic metre average tree size, it worked perfectly well and still gave me full control at all times.”

IBC was not the only design feature requiring a degree of adjustment. Having the crane in front of the cabin again after using Komatsu harvesters may be a different format, but it does not

TIMBER HARVESTING | G&G TIMBER HARVESTING “THE CH7 CRANE OFFERS A REACH OF 10 METRES”

present any big disadvantage from a machine operation perspective, as Greg continued. “The visibility from the John Deere’s cab really is excellent. The only time the crane set-up affects visibility is when felling a tree directly in front of the machine, but it’s not an issue.”

LINE OF SIGHT Obviously, the crane and head performance are only as good as the combined performance of the engine and hydraulics, coupled with the governing systems fitted to the machine. In this regard, the 1270G has proven itself very capable. “Even though the 1270G is a higher output machine with greater ability in bigger tree sizes, I have seen no difference in fuel consumption over the levels of the 901XC we were using before now,” Greg revealed.

“The 1270G is consuming 15 litres per hour, which is impressive.

It was working in mode 3 in the clearfell and mode 2 in thinning. It is very easy to match the machine to the demands of the work at hand.”

G&G Timber Harvesting has clearly set a new benchmark in all-round harvester specification based on the level of floatation and harvesting head capacity offered by the company’s new John Deere 1270G. “So far, the 1270G has been excellent. It’s a really

Above left: Working on a sensitive clearfell site.

Above: The view from the 1270G’s operator seat.

Top: Easy travel through stand with 800mm tyres.

FORESTRY MACHINERY AUTUMN 2022

27

G&G TIMBER HARVESTING | TIMBER HARVESTING Plenty of sawlog lengths to handle at Glenregan Wood.

comfortable machine to operate and is achieving very impressive performance in all the sites we have harvested. It really is the machine for the type of work we are doing and the terrain we face on an daily basis,” Greg affirmed.

JOHN DEERE 1010G FORWARDER Already familiar with the 1010 concept through the long-term operation of a 1010E, G&G’s new 1010G forwarder takes performance and productivity to another level.

Stability has improved dramatically, as has climbing ability, while

Useful crane with John Deere’s Intelligent Boom Control (IBC).

A flexible bunk only boosts this forwarder’s appeal to G&G...

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AUTUMN 2022 FORESTRY MACHINERY

“IT IS EASY TO SEE THE 1010G IS THE ULTIMATE ALL-ROUND FORWARDER”

the fitment of 710/45-26.5 tyres with the traditional forest rubber encased in Olofsfors band tracks ensure a terrain-friendly footprint.

“Our 1010E never missed a beat and worked over 11,000 hours, wearing out three sets of band tracks in the process, which proves it didn’t have an easy life with the type of ground we are working on,” Garrett confirmed. “Even though we were happy with the 1010E, we knew the 1010G was going to be of a much higher standard with lots of new features to make it even more productive.”

Working in thinnings extraction initially and most recently a demanding clearfell assignment, the 1010G has met Garrett’s high expectations, with him praising the machine’s sheer working ability and user-friendly design. Specified with the rotating and levelling operator’s cabin, Garrett considers this feature a must-have.

Meanwhile, the addition of IBC control of the crane has improved things further still. “Having used the 1010G in thinnings and clearfell so far, it is easy to see it’s the ultimate all-round forwarder,” Garrett reckoned. “The stability it provides with the long rear bogie, and the flexibility it offers with the bunk mean it’s equally at home in thinnings and clearfell, and with the unbalanced bogies it’s very easy on the ground too.”

The 1010G delivers excellent stability and low ground pressure.

For Sales & Service please contact John Deere Forestry Ltd. Ballyknocken, Glenealy, Co. Wicklow, Ireland Tel: +353 (0)404 44969 (Sales) Contact Ed Power Mob: +353 (0)87 2542570 John deere First DPS with Border.indd 2

www.johndeere.ie/forestry 19/08/2022 16:51

VERSATILE PERFORMERS

To succeed as a smaller scale forest machine manufacturer, offering something different to larger mainstream competitors is the only sure way of attaining market recognition. This approach is working very well for Finland-based ProSilva, as Eoghan Daly reports IMAGES EOGHAN DALY

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AUTUMN 2022 FORESTRY MACHINERY

COMPANY PROFILE | PROSILVA

A

t a time when most forest machines follow a distinct design template, it is refreshing to see that a degree of individual thinking still prevails, with some manufacturers not afraid to go out on a limb with their own design features.

Never one shy away from embracing the unconventional, ProSilva has maintained a respected position in the market over the decades, which confirms the company’s belief in the offering of simplistic machines with a high level of durability and an ability to succeed in harvesting conditions where other designs prove less effective.

Initially offering a relatively limited range, this position has changed in recent years with the harvester line-up now reflecting a high degree of comprehensiveness.

However, of even greater note is the ability to specify machines with a high degree of options, which goes much further than the normal choices for head and crane type, but also wheel base configuration and the option of fitting wheels on pendulum levelling arms and even an interchangeable triangular profile steel track drive system.

From these choices alone, it is apparent ProSilva is determined to offer machine solutions to suit every end user requirement, with a particular focus on catering for contractors who work on the most challenging terrain.

BACK IN THE 1980S...

Even though the ProSilva name may not be one that is familiar to everyone in the industry, the company is clearly by no means

Above: ProSilva factory and HQ in Ruovesi, Finland.

Below: Frame section with hydrostatically driven bogies.

“PROSILVA IS DETERMINED TO OFFER MACHINE SOLUTIONS TO SUIT EVERY END USER REQUIREMENT”

a novice when it comes to forest machine design and manufacture. With the ProSilva company itself established in 1998 by Lasse Karilainen, the engagement of the founder can be traced back to the 1980s when he and his brother Markku produced their first tracked carrier to haul forest fertiliser to satisfy their own in-house requirements.

Following on from the success of their endeavours, Lasse recognised the potential of terrain- sensitive compact machines and followed up this observation with the development of the Joker forwarder, with the first prototype developed in 1985. The design rights for this unit were subsequently sold in 1986 to Nokka, who many UK and Irish users will be familiar with, for the production of a range of forwarders and harvesters for thinning applications.

Moving on from his Joker forwarder design endeavours, Lasse Karilainen went on to build his first harvester in 1995. Name inspiration for the machine continued to be drawn from the playing card deck, with the result of his efforts designated Ässä 810 or ‘Ace’ 810 when translated from Finnish.

From this starting point ProSilva was established a few years later in 1998 to focus on the production of machines based on the concept initiated on Ässä 810, which was a low-impact, four-wheeled harvester base with a range of distinctive features, not least of which was its focus on simplicity and an alternative driveline arrangement coupled with an extremely low centre of gravity based on its distinctive formation.

Despite constant evolution, these initial design features continue to be the basis for the ProSilva formula. Based on these values, much has been achieved over the years in successfully penetrating new markets, with the scale of the operation being central to offering bespoke harvesting solutions.

Nevertheless, a new chapter in the company’s history is currently being written as ProSilva steps up its efforts in increasing its product offering in response to the requirement to become a full-line forest machine supplier.

BUILDING FOR THE FUTURE While this move requires a high level of confidence, senior management believe the time is right for this advancement.

Indeed, the company has enjoyed a much greater level of stability since it became part of the Tampereen Konepajat Group in 2019.

Even though the original structure of a small and intimate manufacturing unit worked well, the determination to further the company’s position without overstretching to an unrealistic level is now ProSilva’s strategy for growth.

Being part of the Tampereen Konepajat Group has brought numerous benefits, not least of which is the group’s FORESTRY MACHINERY AUTUMN 2022

31

PROSILVA MILESTONES 1981

Lasse and Markku Karilainen design and

build their first tracked forest carrier for fertiliser

1985 1986 1995

Joker forwarder prototype introduced Joker rights sold to Nokka First Ässä (Ace) 810 harvester exported to

Estonia

1998

ProSilva founded by Lasse Karilainen and

Ässä 810 harvester renamed ProSilva 810

2002 2004 2007

ProSilva 910 harvester model introduced New factory Teollisuustie, Ruovesi, Finland The 100th ProSilva harvester produced

and exports of forest machines to Chile begin

2008

Steel track type variant of the 910

harvester introduced

2010 Tracked 15-4ST forwarder introduced 2011 First harvester exported to Japan 2012 World’s first hybrid harvester, the ProSilva 910 EH makes its debut

2015 2016

Left: Norbert Schalkx, Juhani Lehti and JukkaPekka Syvälahti.

First new S4 harvester model produced Range expanded to include S5 and S6

harvesters as well as the F2/2 forwarder model

2017 2018

Above: Wheels easily swapped for tracked units.

ProSilva F4 forwarder exported to France Founder Lasse Karilainen retires and the

process of transferring ownership of ProSilva to a new owner begins

2019

“WE ARE NOT AFRAID TO CHALLENGE CONVENTIONAL THINKING”

ProSilva officially becomes part of the

Tampereen Konepajat Group

2022

ProSilva poised to introduce new

harvester cabin design together with new wheeled forwarder model, as well as launching new brand identity

manufacturing capacity at its Ylöjärvi, Finland headquarters, which can be used to positive effect in supplementing the production capability of the main ProSilva operation at Ruovesi. Furthermore, since Tampereen Konepajat Group has many interests within its business units, the sharing of knowledge and support across the group will be an important asset to the ProSilva growth model.

The extent of Tampereen Konepajat Group interests is demonstrated by its ownership of companies that specialise in dedicated equipment manufacturing fields, which include MPH who produces a range of agricultural and peat harvesting equipment, and the Rikonen Group which is the largest unit within Tampereen Konepajat and is responsible for delivering turnkey specialist engineering elements to a wide range of clients in the construction, mining and transportation sectors.

Other activities embraced by the business units within the group include PeatMax,

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AUTUMN 2022 FORESTRY MACHINERY

who produce a comprehensive range of peat equipment totalling an impressive 30 different models.

Another important aspect to the group is NTcab, which was acquired just last year on the retirement of the original owner, as chairman and chief executive Juhani Lehti explained. “The ProSilva company is a very important addition for us and complements our existing product ranges particularly well. Being part of Tampereen Konepajat Group will give ProSilva greater stability for the future and a shared knowledge and manufacturing base to expand based on the resources we offer.”

SHARING THE KNOWLEDGE Even though the ProSilva operation may be part of a larger group of companies, the high level of experience in forest machine design and manufacturing held by the original founder and his original workforce prevails. The legacy of Lasse Karilainen lives on especially in the continuing involvement

of his nephew Jukka-Pekka Syvälahti, who serves as research and development manager.

Working with ProSilva all his professional working life, Jukka-Pekka clearly knows the product intimately and remains as passionate now as at the outset to achieve furtherance of the ProSilva concept. Based on this long term engagement with the company, he and other members of the dedicated ProSilva team are ideally placed to serve production, design and product support for customers over a wide area.

Currently there are a number of important markets where ProSilva has been particularly successful. When it comes to thinning operations and peat-based site harvesting, Finland, Sweden and Baltic States have many ProSilva, users while short rotation Eucalyptus and pine in countries such as Chile and Uruguay are important markets. Steep slope harvesting has also proven receptive to the concept, with intrepid users in the nations of Japan and

COMPANY PROFILE | PROSILVA Left: Low-set engine and hydraulic pumps.

Below left: Crane base levelling cyls.

Right: 15-4 ST once the firm’s most popular forwarder.

PROSILVA HARVESTER RANGE

Chile being the most prominent.

In the interests of expanding its market position even further, experienced forest machine specialist Norbert Schalkx was brought on board to serve as International Sales Director. Moves such as this are considered pivotal in capturing a greater share of the market, with the current range – soon to be boosted by a new wave of product launches – offering an attractive alternative to that of larger and arguably better known manufacturers.

FLEXIBLE BY DESIGN Based on the machine’s design features and the wide range of options available, it is possible to commission a machine that meets the demands of a contractor’s typical application range precisely. “ProSilva offers the highest level of flexibility when it comes to building a machine to suit a customer’s needs, to help them perform at a peak level in their application,” said Norbert. “We hope to become the preferred choice for

ProSilva’s current harvester

S3, and as a consequence can

harvesting operations are the

line-up comprises four models,

run larger cranes and

range’s largest models – the

with each of these available in

harvesting heads. It can also

S6 and S6HD (pictured above),

a range of configurations.

be specified with rear

which retain the same

Occupying the position of the

pendulum wheel arms.

principal features but benefit

range’s smallest harvester is

Moving to the mid-range

from enhanced durability. This

the S3 model. Delivering an

offering from ProSilva, the S5

is especially true of the S6HD,

impressive power-to-weight

is classed as an all-round

which can accept the largest

ratio thanks to its 6-cylinder

harvester with equal aptitude

cranes and harvesting heads

engine, this unit can be

in thinning and clearfell. As a

available for wheeled

specified in 4- or 6-wheeled

6-wheeled harvester it comes

harvester base machines to

versions and is aimed mainly

with a rotating cabin as

cater for large volume clear

at thinning applications where

standard which can also have a

fell harvesting.

it is particularly appealing

tilt facility as an option and

based on its light weight and

with its reinforced crane bed

more powerful 240kW

tight turning radius.

accepts larger crane and head

Cummins Stage 5 engine,

options.

while its oil flow from the dual

The next model in the range is the S4, which is an enhanced and heavy-duty version of the

Catering for the needs of the most demanding

The S6 and S6HD utilise a

pump system reaches 448 plus 336L/min hydraulic oil flow.

FORESTRY MACHINERY AUTUMN 2022

33

PROSILVA | COMPANY PROFILE

ProSilva S5 harvester with Kesla parallel crane and Waratah H425 head undergoing final assembly. continuous cover forestry harvesting, which is a hot topic in Finland and Sweden at present, and in addition to that continue to serve the diverse needs of customers worldwide on existing and new markets which will be explored step by step.

“We believe the ProSilva machines are most economical over the life cycle of the machine and are completely customer focused,” Norbert continued. “Most of all, we are not afraid to challenge conventional thinking and in the process have developed a range of machines which are productive, economical and cause minimal impact.”

“THE RUOVESI FACTORY WILL REMAIN AT THE CORE OF THE OPERATION”

SIMPLE AND EFFECTIVE

facilities also incorporate preassembly areas which focus on the fit out of cabins. As mentioned earlier, the cabin structure is obtained from NTcab, which is also part of the Tampereen Konepajat Group.

In addition to the production area, the facility also incorporates a large capacity dedicated service workshop and a comprehensive parts storage warehouse which feeds production as well as the service

Even though the company is pressing on with plans to broaden its global presence, the importance of maintaining a manageable scale and retaining a personal approach run rich through the company’s future strategy.

While the Tampereen Konepajat Group facilities offer capacity for preassembly of certain elements, the Ruovesi factory will remain at the core of the operation.

Offering the capacity to assemble three machines simultaneously, the production

Above: S3 conducting first thinnings at nearby demo site.

needs of machines working in the forest with customers worldwide.

All administration, as well as research and development are conducted at the Ruovesi facility, which also includes machine testing facilities for both production machines and machine prototypes as the company presses on with a number of new projects in this regard. Nevertheless, despite the continuing focus on future development, the core principals at ProSilva remain the same.

There is a distinct focus on simplicity and creating practical alternative design features, which have delivered for users over the decades.

Going forward, the importance of continuing to give customers what they command will remain central, as Juhani Lehti concluded. “The machines offered by ProSilva have always been focused around what the customer wants. Going forward, if we believe there is a requirement for an 8-wheeled machine in our range then that is what we must deliver. Based on the core design features of the ProSilva harvesters incorporating rear bogies does present some challenges, which we must overcome if our customers require such a machine.”

UNIQUE FEATURES Among the design features of the

position of the engine and

incorporate wheel-specific torque

alternative design formation, while

ProSilva harvester that set it apart

hydraulics between the two main

and speed management, offer

the tilt lock for the front section is

from the competition are the

chassis rails that double up as

extremely high tractive forces, and

achieved by common hydraulic

extremely low centre of gravity,

diesel and hydraulic oil tanks.

a short turning radius. The three-

cylinders for the crane base

which is achieved by the low-set

In addition, the machines

section frame also represents an

levelling functions.

34

AUTUMN 2022 FORESTRY MACHINERY

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Finnish operator Heikki Heino is now on his third ProSilva harvester.

THIRD TIME PLUCKY Long-term service gives a true impression of any harvesting machine as reliability and productivity in real-life working situations become apparent. Eoghan Daly reports on the experiences of one Finnish contractor who is now running his third ProSilva harvester

W

orking as a seasonal harvesting contractor in privately-owned forests, Orivesi-based Heikki Heino has built a reputation for delivering a professional service when it comes to forest thinning, and much of this

36

AUTUMN 2022 FORESTRY MACHINERY

IMAGES EOGHAN DALY is down to his choice of harvesting equipment. Working with a single ProSilva S4 4x4 harvester, extraction is subcontracted to a fellow contractor, leaving Heikki to concentrate on harvester operation. Despite being in service since 2019, several features

incorporated into this S4’s design have delivered performance superior to that of its predecessors, even in the most adverse winter harvesting situations.

On starting his own timber harvesting business, Heikki took the affordable option

OWNER-OPERATOR | PROSILVA S4 HARVESTER

Joystick and keypad designs, plus TimberRite control system all deemed very user-friendly.

“OTHER CONTRACTORS USING PROSILVA HARVESTERS WERE SEEING VERY HIGH LEVELS OF RELIABILITY OVER LONG-TERM SERVICE” Almost 3.1m wide with 710mm tyres – the ProSilva S4 has no issues navigating this first thinning stand.

of focusing on a Valtra forest tractor as his first machine. But soon his attention turned to a purpose-built harvester. “Other contractors using ProSilva harvesters were seeing very high levels of reliability over long-term service, which meant the machines were worthy of a closer look,” he explained.

“As simple, robust machines, they are ideal for an operation like mine and allow me to keep costs low. After getting my first ProSilva machine, I haven’t had any reason to look at other options and I am now running the third my third harvester from ProSilva.”

Each new machine that has turned in a shift with Heikki has sported a different specification, with the current S4 4x4 being the first unit employing the pendulum arm concept to the machine’s wheels. In addition, the choice of crane and harvesting head differs from that of previous machines.

Even though many UK and Irish contractors have a distinct preference towards 6- and 8-wheeled machines, the long-term use of 4-wheeled variants of the ProSilva units has been a positive move for this operator and has not proved in any way limiting in the harvesting assignments being undertaken.

WITHOUT COMPROMISE Harvesting a delayed first thinning of a 30-year old Scotts Pine stand near Ruovesi in Finland during May 2022, the abilities of the machine in this stand were impressive, with no impact on the terrain whose surface carried the final remnants of winter snow.

As the machine worked its way through the stand, little trace of its passage was evident.

“I have never had any reason to doubt the effectiveness of a 4-wheel harvester and it has in no way limited the kind of work I can

do,” Heikki explained. “It copes very well with difficult working conditions, especially through the most severe Finnish winters. I have worked in 1m-deep snow and the big wheels have no problem in these type of conditions.”

Affording the clearance necessary to overcome this extreme snow depth, the pendulum arm concept comes into its own while bringing other advantages when working on cross slopes, or negotiating obstacles such as larger rocks on the forest floor. The pendulum arms have increased machine width to 3.10m, but this has not seen inhibited stand penetration in Finnish thinning environments. “Machine width on these 710mm wide tyres makes it very stable and there is no need for water ballast in the tyres, which helps to cut down on unnecessary weight too,” said Heikki. “It FORESTRY MACHINERY AUTUMN 2022

37

%LR PDVV HQHUJ\ KDUYHVWLQJ KHDGV DQG IHHG UROOHUV

OWNER-OPERATOR | PROSILVA S4 HARVESTER Access to the high-set cabin is made easier by these fold-out steps.

Dual-pump hydraulic system delivers flow ratings of 448 and 336L/min.

also helps me get the most from the 11m-reach crane with the machine being very well balanced.”

In addition to the favourable footprint afforded by the machine’s stance, its overall structure and drivetrain composition are also noted as being particularly beneficial.

Using wheel specific hydraulic hub drive, the machine yields excellent performance in a full range of terrain types, while its turning circle remains extremely tight, making it especially manoeuvrable even when fitted with these wide floatation tyres.

However, there is much more to the S4 than just low ground impact positive mobility and highly rated stability, as it also has the power and oil flow to deliver impressive harvesting performance.

The S4 draws power from a 186kW Cummins engine and Heikki considers it a very cost“FEATURING effective harvester to run.

LEVELLING AND “Fuel SLEWING consumption is 14 litres per MOTIONS, THE hour, which I am CAB IS MOUNTED very happy with.

INDEPENDENTLY Even better is the production it OF THE CRANE” can get from this low fuel burn, with this double hydraulic pump machine being very fast and productive.”

Typically harvesting 600 to 700 trees per day in this type of thinning stand (three log classifications are harvested including sawlog, mini logs and pulpwood; no slash for wood energy was being harvested in this application), the combination of impressive oil flow with a tactfully chosen crane and harvesting head has formed the ideal harvesting solution for this discerning operator.

Periods of simultaneous operation of the crane and harvesting head are easily facilitated, which confirms the positive contribution of the machine hydraulics that are based around a dual-pump system, with the pumps delivering flow ratings of 448 and 336L/min.

Another highlight of the S4 is its cabin.

Featuring levelling and slewing motions, the cab is mounted independently of the crane and offers good visibility in all directions.

The upward view is particularly good and eases tree selection and felling in thinnings, while the low set crane base design means the forward view is also very good, even though it’s slightly affected by the larger front tyres.

SUITED AND BOOTED ProSilva offers a wide variety of options for its harvesters. Heikki’s latest spec includes a Logmer 14-11 US parallel crane with FORESTRY MACHINERY AUTUMN 2022

39

PROSILVA S4 HARVESTER | OWNER-OPERATOR At first, Heikki Heino used a Kesla crane, but now runs a Logmer on his latest S4 harvester.

11m reach and dual slewing motors. “When I used Kesla cranes, I could not fault their performance.

The parallel movement of Kesla and Logmer cranes is very different and both bring their own advantages, but on this occasion I decided Logmer was the best option for my latest machine.”

Originally using a Kesla head on his first harvester, Heikki made a change to Waratah on his second harvester and has remained loyal to the marque on the current machine.

Based on his engagement in early thinnings, the H413 head has been favoured and, to add to its working compatibility with smaller diameter material, this unit has been specified with multi-stem capability. This multiple stem handling system incorporates a gripping facility for multiple stems below the rotator, leaving the head’s knives and rollers free to cut and fell an additional stem and then process both simultaneously in the interests of boosting productivity in smaller diameter material.

Waratah H413 head with multi-stem handling equipment.

KEEPING IT SIMPLE Equipped with angular profile outer rollers two further rollers embedded in the rear frame of the head, an impressive grip on the

40

AUTUMN 2022 FORESTRY MACHINERY

“AS SIMPLE, ROBUST MACHINES, THEY ARE IDEAL FOR AN OPERATION LIKE MINE”

stem during all stages of the felling and feeding processes is ensured. In addition, the head incorporates four wrap-around delimbing knives, which further enhance the gripping characteristics and, based on the level of contact attained, result in thorough delimbing even where lower limbs are present through the double lower knife design, despite the head’s short chassis length.

Another benefit of utilising Waratah harvesting heads with Heikki’s S4 is the unit’s user-friendly control and measurement system. All other heads offer dedicated systems, but Heikki appreciates Waratah’s TimberRite system, which bears many similarities to John Deere’s Timbermatic measurement and control computer, while also using ‘D’ model joysticks and control keypads that are renowned for their ease of use.

In addition, the harvester run by Heikki offers full data transfer capability with the John Deere forwarder used on extraction. This ensures a full record of harvested material, and its location in the stand is shared with the forwarder operator (important for these seasonal operators) to ensure all logs are retrieved during even the peak of the Finnish winter.

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The Serrat T1800 mulcher head is driven by a high-flow auxiliary hydraulic service capable of delivering 125 litres per minute.

MECHANISED CLEARANCE Heading into a conservation area, Nick Drew reports on the Forestmaster version of a tracked JCB skid-steer IMAGES NICK DREW

C

learing non-native species of plants in conservation areas is (if you will excuse the pun) a growing sector of the market, particularly infestations of rhododendron.

This plant can damage an ecosystem due to its dense growth casting heavy shade and the acidification of the soil, both of which will prevent other plants from growing. In addition, rhododendron is linked to phytophthora infections in larch and oak

42

AUTUMN 2022 FORESTRY MACHINERY

trees, so its control is very important.

Traditionally, clearing rhododendron was performed manually with hand tools, including removing as much root as possible. This is hard, labour-intensive and slow work. It’s something that David Funnell knows all about, as he has spent over 20 years as a forestry operative, performing a lot of back-breaking work during long hours spent out in all weathers.

By David’s own admission he has been

starting to feel it in recent years, but as someone who is clearly passionate about his work, he was not prepared to give up the job he loves. He began to ponder about ways to make the work easier and bringing the job into the 21st century.

With this in mind he had a discussion with Andrew Wright, the forestry director of his employer, East Sussex-based, English Woodlands Forestry (see panel). Andrew agreed that there must be a more modern,

TRACKED SKID-STEER | JCB 325T

ENGLISH WOODLANDS FORESTRY E

nglish Woodlands Forestry’s heritage can be traced back to firms that

emerged immediately after WWII to take advantage of the booming demand for timber from the construction industry.

Two companies, Oakover and Wealden Woodlands, provided forest management services across Kent and Sussex from the late 1940s and early 1950s. In the mid-1960s the

Above, below and right inset: The high capacity recovery winch has proved useful to move fallen timber. Note the storage compartments within its crossmember.

two companies merged to become English Woodlands. In 1986, directors Hugh Gent and George Marchand bought the Cocking sawmill business and created a sister company called English Woodlands Timber.

In the 1990s demand for the services provided by the original English Woodlands business diminished. However, sister company English Woodlands Timber started to provide forestry management services through their current MD Tom Compton.

Since then the services provided by firm have grown steadily, as did their reputation in the market.

Mirroring the cyclical nature of the forest industry, this growth cumulated in the establishment of English Woodlands

“WE GENERALLY EXPECT TO CLEAR AT LEAST A HECTARE A DAY WITH THE FORESTMASTER” mechanised and ultimately more productive way of dealing with this type of work, so the search for a suitable piece of kit commenced.

Andrew said, “I did some extensive research on a number of different machines and also considered mini-tractors similar to alpine tractors, which are used for similar applications. I concluded they would not be robust or powerful enough to produce the outputs we desired.”

The result of this research was that a low ground pressure tracked skid-steer loader equipped with a mulcher attachment was identified as the most appropriate primary tool for the task.

Andrew continued, “Once the skid-steer option had been identified I looked at three manufacturers – Bobcat, Caterpillar and JCB – all of which we had out on demo/hire at some point in the February to July period of 2017.”

English Woodlands Forestry is located close to a JCB agricultural dealer, Uckfieldbased Haynes Agri Tec, and a demonstration of the Forestmaster variant of the 325T model with an operating

Forestry in 2015, a separate company from the timber operation, to provide consultancy and operational woodland management services across Sussex, Surrey, Kent and Hampshire.

capacity of sub 1.5 tonnes was arranged.

Andrew stated, “JCB became our favourite option for the following reasons. It’s a British product, even though it’s made in the USA. From a safety perspective we like the side entry to the cab, which means no need to climb over the attachment to get in.

In addition, the forestry guarding around the machine all came as standard. We also discovered that the JCB had vastly improved visibility and offered a larger and more comfortable cab environment for the operator. Add to this the winch came as standard and together with the offer of an extended warranty, it was something of a no-brainer for us as a business.”

FIRST IMPRESSIONS English Woodlands Forestry’s clients are predominantly country estates, farmers and private investment woodland owners. We caught up with man and machine on one of these conservation areas, where David’s job was to mulch down to ground level to form a flat area. This would encourage the growth of gorse and other natural plants, in addition to attracting more wildlife.

Above and top: The winch cross-member swings open to the right, allowing the all-steel engine compartment door to swing open to the left.

FORESTRY MACHINERY AUTUMN 2022

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AUTUMN 2022 FORESTRY MACHINERY

FM09_044.indd 44

19/08/2022 15:54

TRACKED SKID-STEER | JCB 325T

One of the principal reasons for the purchase of a JCB was the side-entry cab, which was considered to be safer than having to climb over the mulcher attachment.

David said, “Most forestry works these days is conservation-focused and it’s this type of work that is the JCB’s primary role in the business. The machine is already proving its worth, reducing the time it takes to do the job. We generally expect to clear at least a hectare a day with the Forestmaster, a bit less in awkward areas with lots of stumps, which can be tricky at times.

“So far, the JCB has proved to be a fantastic bit of kit and I am really impressed with what can be achieved with it. The most important feature to me as the operator is the side-entry door, which is so much better than any other makes we tried out. Who in their right mind would want to climb over the attachment to enter or exit the cab, especially when you consider how long it takes the mulcher to stop spinning!”

WALK-AROUND If the smile on his face was anything to go by, David was clearly delighted with his new machine and was keen to show us around it.

The most striking feature is the 15,000lb

(6.8-tonne) capacity, American-built Warn hydraulically-powered recovery winch, located on a cross-member on the back end of the machine. David has used this to winch out fallen timber and it has proved to be a great tool in the machine’s arsenal.

The winch cross-member can be swung

“THE MOST STRIKING FEATURE IS THE 15,000LB (6.8-TONNE) CAPACITY HYDRAULICALLYPOWERED RECOVERY WINCH” out to the right to allow the heavy-duty, all-steel engine compartment door to be swung open to the left. This reveals a JCB EcoMax engine rated at 74hp (55kW) at 2,400rpm and certified to Stage 3B emissions standards without an exhaust gas after-treatment system. This is particularly important in this application, as there is no super-hot DPF unit that, in such a woodchiprich environment, would be a fire risk. A reversing fan helps to keep debris on the

radiators down to a minimum.

All the routine service points are easily accessible within the engine compartment, but for more complex repairs the whole cab can be tilted forward. As expected of a machine working in environmentally sensitive areas, biodegradable oils are used throughout.

This machine sits on 450mm-wide rubber tracks carried on cast steel triple-flanged rollers. The reason for rubber tracks is that they will cause minimal damage to the ground or paved surfaces, but care is required around tree stumps. Steel tracks could be a possibility, but would have a greater impact on sensitive conservation areas, so rubber is the best compromise.

The machine features two-speed tracking and, from what I saw on the day, the 325T is a very lively beast.

The single-arm JCB PowerBoom really is a stroke of design genius, which facilitates a side-entry door. It really is quite incredible that no other manufacturer has gone down this route. Those who think that a FORESTRY MACHINERY AUTUMN 2022

45

JCB 325T | TRACKED SKID-STEER Above and below: The large, comfortable cab is protected by heavy-duty mesh side screens, FOPS guarding to the roof and a thick Lexan impact-resistant front screen.

single-arm boom may lack strength will be surprised to hear that, according to JCB, they use 20% more steel than is typically found in traditional twin-arm designs.

The engine drives a variable displacement hydraulic piston pump, with the optional high-flow auxiliary service capable of delivering 125 litres per minute. This enables the machine to handle powerhungry attachments, such as the Spanishbuilt Serrat T1800 mulcher head on the end of the boom, which was supplied by forest clearance specialist Justin Kingwell.

IN THE CAB The air-conditioned cab is isolation mounted, features a fully adjustable suspension seat and provides the operator with a well-protected, cocooned environment. Both sides of the cab feature heavy-duty steel mesh, which David has had modified so that the guards can be more easily removed to clean the windows. A ‘bullet-proof’ front windscreen is fitted, the only downside being a windscreen wiper cannot be fitted while this screen is in place.

A level 2 FOPS roof guard is also fitted, as is guarding around the rear roof-mounted air-con unit and working lights. In addition, a heavy-duty exhaust guard was fabricated by the supplying dealer.

The machine is controlled by two servo

46

AUTUMN 2022 FORESTRY MACHINERY

“THE CAB IS A GREAT PLACE TO SPEND MY DAYS; FULLY AIRCONDITIONED WITH AN EXTREMELY COMFORTABLE SEAT”

joysticks: one controlling travel direction and steering, the other taking care of the boom lift and carriage tilt. Both a hand and foot throttle is available in the cab, whichever the operator prefers to use in a specific application.

Tracked skid-steers are so much more comfortable for the operator compared to their wheeled counterparts. The 325T also comes with JCB’s Smoothride System, which effectively allows the boom to float when travelling across rough terrain for a better ride, something that David encounters quite a lot on his jobsites.

In conclusion, David said, “The cab is a great place to spend my days; fully airconditioned with an extremely comfortable seat and the added bonus of a radio, it’s just fantastic! The side-mounted boom set-up offers me 60% better all-around visibility compared to other makes. Both Andrew and I felt the cab interior is larger than on other makes and JCB told us their cab is actually up to 33% larger than other tracked skid-steer models.

“The Forestmaster is just a fantastic addition to our company; it’s making things so much easier every day. It’s also very reassuring to know that, should there be a problem, we have the support of a great and long-established dealer, Haynes Agri Tec, right behind us for peace of mind.”

FORESTRY MACHINERY AUTUMN 2022

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19/08/2022 18:14

“MECHANISATION HAS ALLOWED THE COMPANY TO OFFER MORE COST-EFFECTIVE CLEARANCE WORKS”

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AUTUMN 2022 FORESTRY MACHINERY

TREE CLEARANCE | MAPLE TREE CARE

SAFETY IN NUMBERS

Armed with Kobelco excavators specced to take on the challenges of tree removal, along with chipping and transport equipment, Maple Tree Care is one slick and self-sufficient operation, Paul Argent reports

T

IMAGES PAUL ARGENT

ree clearance has come a long way from the days of teams of men using axes and saws to cut down just a handful of trees a day. Whilst this method is still used, mechanisation has made the job easier, quicker, and most importantly safer. Although forestry contractors have their own dedicated kit designed for huge amounts of standing timber, contractors undertaking smaller, clearance operations in more urban environments require a different solution.

Maple Tree Care is headquartered in Sandiacre, Nottinghamshire and has been undertaking tree

management and site clearance works for over a decade. The company was set up and is still run by Liam Webb, initially with just three operatives. The company has grown massively over the last decade, increasing both the staff and the mechanisation for tree and land clearance works. This expansion has also seen the company move from being a local contractor, to one that will operate nationwide for its ever-increasing list of blue-chip clients.

While still running several gangs of labour-intensive hand clearance team – the location and type of work the company carries out does dictate this sometimes – mechanisation of tree and scrub clearance has made some of the larger jobs easier. Mechanisation has also allowed the company to offer more costeffective and safer options when it comes to clearance works.

Maple Tree Care still offers customers its original domestic services of tree care and maintenance such as hedge cutting, pruning, and planting services, but it is the commercial side of the business that is

FORESTRY MACHINERY AUTUMN 2022

49

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TREE CLEARANCE | MAPLE TREE CARE “WITH EACH TREE FELLED, THE LARGER LIMBS ARE CUT INTO MORE MANAGEABLE SIZES” Left and below left: Heizohack HM 10-500 KT with crane mounting and tandem axles.

Above inset: Operator Bryn Handley and the SK260LC.

Below: Removing large poplar trees near a school in Derbyshire.

flourishing through highways arboriculture, vegetation management, and site clearance works.

Both sides of the business also use the experience of the in-house survey team to allow customers to make informed decisions from in-depth reports conducted by the team.

Recent projects have seen the company work on the initial clearance operations for HS2 amongst other projects, but we caught up with Liam and one of his teams as they removed a dozen large poplar trees surrounding a school site in Ockbrook, Derbyshire

LONG REACH The site – set for new housing – was in the planning stages, but it was the neighbouring nursery school that had called in Liam to clear the trees on its boundary as one of them had fallen, broken through a perimeter fence and caused some damage to the school grounds.

With no protection orders on the trees and the potential risk of the others falling and hitting either the school buildings, or worse still the pupils, the decision was taken to remove the trees immediately.

The past couple of years have seen Liam invest in several excavatorbased felling options, mainly based around Kobelco excavators. “We like the Kobelco machines,” Liam commented. “They’re well-built, reliable and the drivers like them. They also handle our attachments very well and are well balanced in doing so.”

The company runs several Kobelco excavators ranging from the 15-tonne SK140SR to an impressive 28-tonne SK260 complete with 19m-long reach front end equipment. “We took the long reach machine as it offers us a good combination of reach and the ability to work at height whilst still keeping a safe distance from the tree we are cutting down,” Liam explained.

The Kobelco machines have been supplied through Molson in Avonmouth and have been specified for the work they undertake. Working in environmentally sensitive areas means the machines are run on bio-oils, should any unexpected leaks arise, all of which are approved by Kobelco and Molson. Molson have also fitted the cabs on the machines with full guarding to protect from errant branches. “We are often asked to clear old and decaying trees and this brings its own hazards,” Liam points out. “Despite the most carful of approaches, limbs can fall off a decayed tree, which makes the extra cost for the cab guarding miniscule compared to the health and safety of the operator.

Imagine if we were cutting a tree by hand and that happened. There would be far more chance of injuries that way.”

Additional hydraulic and electrical circuits have been routed to the end of the dipper to allow a wide range of attachments to be used, dipper cylinder protection has also been fitted along with a rake of additional LED working lights around the machines. A full set of bolt-on rubber track pads FORESTRY MACHINERY AUTUMN 2022

51

MAPLE TREE CARE | TREE CLEARANCE

Above: Full cab protection fitted by supplying dealer Molson.

Above right: Vosch grapple saw made light work of the poplars.

Right inset: Maple Tree Care can get bent saw bars fixed cheaply.

have also been fitted to allow the machine to work on any hard standing without the risk of damage.

The small project at Ockbrook showed just how the mechanisation of the industry has come a long way in promoting the efficiencies and safety now available to contractors undertaking this sort of work. Having access to the proposed development land allowed the team to deploy their 19m-reach SK260LC complete with a Vosch grapple saw. With spotters around the cutting area, all linked with two-way radios, experienced operator Bryn Handley was able to start taking the 15m poplars apart. Carefully removing limbs form opposite sides of the tree to avoid putting too much stress on the tree’s structure, the Kobelco was able to bring each tree to the ground safely.

“WITH EACH TREE FELLED, COVERING ALL THE BASES THE LARGER The rotating head of the Vosch grapple saw allowed LIMBS ARE CUT each limb to be secured in the jaws of the grab prior to making each cut. As with cutting limbs with a chainsaw, INTO MORE a relief cut has to be put in to stop the MANAGEABLE occasionally limb binding and potentially bending the bar on the SIZES FOR saw. “Bending the bar is something that can happen, PROCESSING” unfortunately,” Liam explains. “We can change the bar Below: Valtra tractor hooked up to the Heizohack chipper.

Below right: Scania truck with walking floor trailer.

52

in a couple of minutes and carry spares around with the machine just in case it happens. It can be a costly deal to replace the bar every time it is bent, but we have found an engineering company that are able to straighten them at a fraction of the replacement cost.”

With each tree felled, the larger limbs are cut into more manageable sizes with the smaller branches piled

AUTUMN 2022 FORESTRY MACHINERY

together for processing.

The selfsufficiency of the company is shown with one of Liam’s Scania tractor units arriving on site pulling a walking floor trailer. This outfit was quickly followed by Reese Snowden in the company’s Valtra tractor and Heizohack chipper pulling onto the site.

With the chipper set up next to one of the large piles of branches, and the walking floor trailer in position, the 11.5-tonne chipper with its 500x877mm in-feed conveyor quickly turns the trees into chip for delivery to a biomass plant. The first sign of a chainsaw on the job comes when some of the larger limbs are fed into the chipper. Because of the twists and bends in them, they are quickly trimmed to a size and shape the chipper can cope with.

As the big Kobelco removes the final tree, the team can remove some of the trunks that have grown through the palisade fencing that surrounds the site.

“We have to be very careful when it comes to foreign objects either being struck by the saw, or worse still, going through the chipper,” Liam explained. “They can cause us massive and expensive issues.”

With the chipper working through the material, some of the larger trunks are trimmed into stepping stones for the nursery to use around the playing fields before the remainder of the material is chipped, ready for providing the UK with a sustainable source of power.

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TMK TREE SHEAR | FACTORY VISIT

BORN IN THE FOREST

Above left: CEO and founder Tenho Koponen with son Tony and sales boss Robert Kurki.

With the TMK tree sheer initially developed to serve the founder’s personal forest management activities, the original concept has spurned the growth of a successful business with further developments on its radar, as Eoghan Daly reports IMAGES EOGHAN DALY

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R

ising quickly to the top, Finnish company TMK produces a range of cutting-edge tree shears that are regularly updated. The company’s original TMK tree shear range was born out of necessity to fulfil the needs of TMK founder Tenho Koponen’s own forest management activities.

In 2009, Tenho Koponen (an earthmoving operator and quarry manager) went to work maintaining his own forest using a tree shear purchased a few months previously. However, its performance and reliability left a lot to be desired, so he retreated to his workshop to develop a solution. Soon, he emerged with a concept for felling smaller, less marketable stems as part of a long term management process, and his tree shear proved so useful, Tenho soon recognised its market potential.

To take this promising idea to the next level, Tenho turned to his brother Mika, who is a design engineer by profession.

Once Mika had prepared the necessary design drawings, Tenho then approached

Above: Original three-model shear range.

Left: MultiGrab M holding a large rock.

HIS TREE SHEAR PROVED SO USEFUL, TENHO SOON RECOGNISED ITS MARKET POTENTIAL Multimek Oy at Multia in Finland to produce a test series of five shears, which were soon sold to other forest owners throughout 2010.

Armed with positive reviews of these early units, Tenho decided the time was right to pursue the business more actively and formally established TMK Energiakoura Ltd in 2013.

Since then, the company has achieved several important milestones, including opening of its own manufacturing facility in 2019, which serves as a hub for all design, administration, marketing and training activities, as well as production.

Following the pandemic, sales growth has driven an increase in production output, with 800 units made in 2021.

Presently employing 26 full-time staff, the company is on track to achieve further

growth thanks to an increased product range, as development director Tony Koponen explained. “Having our own production facilities has given us a much higher level of control and allows us to grow the company. Even though the tree shear range continues to be our core product, the MultiGrab range of grabs has been very well received since they were introduced in 2020 and already accounts for 20% of our production,” Tony revealed. “We are looking at a range of other products and range

Left: Tenho’s first tree shear design.

expansions, as we know this is the only route to the continued growth of the company.”

Demonstrating a modern and efficient approach to manufacturing, use of space at the factory is most prudent with a particular focus on the smooth flow of each unit through the manufacturing and assembly process. In addition, a high level of selfsufficiency prevails, with the factory itself and the adjacent Jari-Pekka service station owned by Tenho’s brother heated by a high output wood chip burner using woodchip sourced from in-house forest thinning operations.

While most aspects of the manufacturing process are conducted in-house, some are completed by dedicated sub-contractors away from the facility. This includes the cutting and forming of specific steel parts, which arrive at the TMK factory having been fashioned to the most exacting tolerances.

Entering the factory and held in a comprehensive stores area which holds an immense inventory to ensure no delays in fulfilling orders occur, the required FORESTRY MACHINERY AUTUMN 2022

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TMK TREE SHEAR | FACTORY VISIT

Left: Manual welding of shear frame.

Below inset: 800 units made in 2021.

elements for each tree shear or grab are picked and forwarded to the welding and assembly areas.

To maximise output at the factory, certain aspects of the process work multiple shifts.

This applies particularly to welding which operates on two shifts over the course of each working day. A combination of manual and robotic welding is conducted with all shear elements preassembled through manual welding and then transferred to the welding robot for completion. “We have increased welding capacity through working multiple shifts in this area, and the next step will be an expansion of this area as the needs increase further,” Tony explained.

“This may come as a great expense but it is a necessary investment in the future.

“All our products have been designed out of necessity and this will continue to be the theme of all new ideas. For a company like ours to continue growing, we need to continue producing products which offer more than other manufacturers’ designs.

With the dedicated team we have formed, everyone is working with this approach as the main focus,” Tony concluded.

TREE SHEAR RANGE

TMK currently offers four models of tree shear. The smallest is the TMK 150, which has just been added to the range recently.

It is intended for mounting on miniexcavators from 1 to 4 tonnes, and has a cutting diameter of 150mm while its overall weight is a mere 75kg. In addition to excavator mounting, it can be fitted to cranes and loaders when equipped with the additional linkage. The larger tree shear models comprise the TMK 200, TMK 300 and the largest TMK 400 with their maximum softwood cutting diameter extending to 200, 300 and 400mm respectively. Like the TMK 150, the other small to mid-range models can be mounted on excavators, they can also be used in conjunction with a range of other carriers

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including harvester and forwarder base units, where their compatibility is ensured through the incorporation of an optional linkage and rotator.

Featuring a strong construction and turbo hydraulic cylinder which yields peak performance in both large and small diameter material, the modular form of the shears means however basic a unit may be initially, it can be fully retrofitted with part or the complete line of optional elements.

EXTENSION BEAM

The TMK tree shear range’s optional telescopic extension beam has become extremely popular. Not only does this simple yet effective attachment greatly increase the working height of a tree shear when allied to an excavator, it also enhances the ability of the tree shear to cut material close to the host machine when the main excavator boom is tucked in to ensure effective movement through the stand in thinnings applications.

By retracting the dipper’s bucket crowd cylinder to the maximum level, the extension beam and shear attain a position parallel to the outer face of the dipper with the heel boom end of the attachment attaining the lowered position as a consequence. This gives the ability to assist the excavator in climbing steeper areas through the heel boom’s intervention or to allow the operator to ‘sprag’ the tracks.

MULTIGRAB

The TMK MultiGrab attachment comes in two forms (for now) – S and M. These are intended for mounting on excavators in the

Komatsu PC138US with TMK 300 shear.

Left: Extension beam boosts capability.

Above: Optional multi grip part of tree shear.

6- to 13-tonne, and 13- to 25-tonne classes respectively. Currently in development is a new L model aimed at excavators over 30 tonnes.

On these grabs, only one side opens hydraulically, leaving the rear rigid section free to function as a rake. There’s also a large opening angle to ensure the hydraulically opened section moves sufficiently clear to avoid inhibiting operation. This side of the unit also assists

with grabbing larger materials and, unlike fixed gripping thumbs and other alternatives, means the grapple can achieve maximum opening and appropriate operating angle close to the host machine.

As the tines are open at the base and have offset mounting positions to ensure they close without contact, the unit is equally effective in large and small material. The geometry of the grab tines is such that they can facilitate tip to tip gripping and still

THE MULTIGRAB RANGE ALREADY ACCOUNTS FOR 20% OF OUR PRODUCTION

close in tightly to achieve a firm grip on smaller materials.

Based on the grab’s modular format, the hydraulically-activated grab face and hydraulic assembly can be removed, leaving the rear section to work independently as a heavy duty rake. The MultiGrab, complete with flat face on the upper frame edge for levelling/grading, is also offered with a number of accessories including bolt-in tine sets for both sides of the grab.

Left: MultiGrab is highly dexterous.

Above: It is much more than a grab...

Left inset: Delimber and multi-stem elements.

FORESTRY MACHINERY AUTUMN 2022

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TMK TREE SHEAR | FACTORY VISIT IN-HOUSE APPLICATIONS

Tenho owns and manages a number of large blocks of forestry in the Hankasalmi area of Finland. Among the machines working on forest management are a Komatsu PC138 reduced-tailswing excavator with dozer blade and fitted with a TMK 300 tree shear, which is attached via a telescopic extension beam. The shear is also fitted with a delimber and accumulator unit for multistem operation in smaller diameter material.

The extension beam also assists in the handling of taller ‘whip-type’ stems which can be taken down in two sections as the reach of the beam allows the crown to be removed first. With the material from the thinning process destined for woodchip production, the delimber element of the shear helps accelerate drying through the initial upward passage of the shear over the standing stem. Working intensively, the combination demonstrated how this cost-effective solution can provide an effective forest management solution.

Various parts en route to paint booth.

Also at work during our visit was a TMK MultiGrab, which was demolishing an old barn and reinstating the area. Mounted on a Komatsu HB215LC Hybrid excavator with Engcon tilt-rotator, the operational capabilities of the attachment soon became evident as an enthusiastic Tenho put it through its paces. Segregating material in a

THE SHEAR IS FITTED WITH A DELIMBER AND ACCUMULATOR UNIT FOR MULTI-STEM OPERATION IN SMALLER DIAMETER MATERIAL

Hybrid digger with Engcon tilt-rotator.

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fully controlled fashion, the ability of the grab to handle large cumbersome stones and then handle small pieces of wood was particularly impressive.

With the grab fully open, the inner face raised well clear to enable the rear fixed section to work as a rake and comb the ground as the final aspects of the structure were recovered. The reinstatement process was completed by some impromptu grading and levelling by the upper face of the grab.

Duncan Wemyss built a business engaging in the restoration of bogland throughout Scotland.

BOGLAND RENAISSANCE

Decades ago, when many forests were being established, little thought was given to the environmental impact they would have on the surrounding ecosystems. Many of these sites are now being returned to nature by dedicated contractors such as Environmental Forestry Services, as Eoghan Daly reports IMAGES EOGHAN DALY

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BOGLAND REVIVAL | ENVIRONMENTAL FORESTRY SERVICES

W

ith a lifetime of experience in forestry and tree work, Duncan Wemyss recognised the potential of a bogland restoration service and has since become a respected force in the execution of this specialist activity through his business, Environmental Forestry Services, based in Sutherland, Scotland.

Since completing its first sites back in 2017 with help from a single low-ground-pressure excavator, the company has replicated the same high standards across countless others.

In the process, it has been responsible for the restoration of hundreds of hectares of bogland on Forestry and Land Scotland sites, plus privately owned sites armed with a fleet that now includes eight specialist Doosan excavators supplied by Balgownie Ltd. “We are not the only contractors doing this type of work with a few others also specialising in it,” Duncan explained.

“Bogland restoration is very different to any other form of forestry work and requires a completely different approach to commercial timber harvesting, as well as the final ground smoothing. The equipment we use is specialised and the initial set-up costs are considerable, but on the plus side the work is continuous and with a team of experienced operators we have delivered many large scale bogland restoration projects throughout Scotland.”

RETURNING LAND TO NATURE Maintaining the integrity of the fragile ecosystem beneath the surface is a key objective of the whole process. Instead of harvesting the stand with a dedicated timber harvester, EFS’ approach sees a specially

Low stump heights key to success.

modified, low ground pressure, 14-tonne excavator with a high specification tree shear undertake the felling and placement of all stems in neat rows as it advances through the plantation.

“The tree shear is ideal for felling trees on these sites, as it can get right down to ground level which is not possible with a harvesting head,” Duncan explained.

“Extremely low stump heights are a must for the bogland restoration process. The shear has a firm grip on the tree, meaning it’s extremely safe in operation. It also achieves a clean cut, which means there is no splintering or cracking to the base of the tree, allowing processing to continue as normal without waste.

Tigercat H860C harvester.

“There are many choices of tree shear available and for standard work a lower specification unit would work perfectly well but in an application like this, anything less that the Woodcracker C350 would be out of its depth,” Duncan continued. “It may be an expensive attachment, but it offers so many benefits in this configuration.”

BOGLAND RESTORATION IS VERY DIFFERENT TO ANY OTHER FORM OF FORESTRY WORK”

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ENVIRONMENTAL FORESTRY SERVICES | BOGLAND REVIVAL The Woodcracker C350 tree shear is considered a very capable unit with good tree gripping characteristics.

With the trees felled and arranged in rows, processing gets underway with one of two Tigercat purpose-built tracked harvesters on the fleet equipped with Log Max 6000 Twin harvesting heads. Despite the immense weight of a machine like the Tigercat H860C, its passage is easily cushioned by the massive volume of brash generated from the processing of each grouping of pre-felled trees.

“Tigercat harvesters are built tough and are one of the few machines that offer the kind of reach and slewing power we need to work with the pre-felled trees,” Duncan said.

“The oil flow they offer is amazing which

places them in a different league to the excavator-based machines we used previously.”

While the long haul distances may suggest a role for a higher capacity machine, the focus is very much on terrain-friendliness instead, which means a Komatsu 855 forwarder continues to be the machine of choice for EFS, running on 800mm tyres encased in 1.2m-wide floatation tracks on the rear and slightly narrower 1.1m units on the front bogies.

TIME FOR A CHANGE “The 855 works very well for us, but we are looking at increasing capacity – we currently have a Komatsu 875 on order for delivery later this year,” Duncan revealed. “It too will

EXTREMELY LOW STUMP HEIGHTS ARE A MUST FOR THE BOGLAND RESTORATION PROCESS”

UNDERCARRIAGES When it comes to excavator undercarriages, Duncan Wemyss decided the best long-term approach was to use a dedicated specialist undercarriage designed and built for each of his machines by Ryan Engineering, based in County Roscommon, Ireland.

“We expect to get 15,000 hours from each of the undercarriages built by Ryan Engineering,” Duncan explained. “Each undercarriage will be used on up to three different excavators. When we trade in an excavator, it goes back on its original standard undercarriage, which has never been used. This way, we get a premium resale value on the machine. In the broader scheme of things, these dedicated low ground pressure undercarriages are actually saving us money.”

Durable rollers and derailment protection are obviously a feature of these undercarriages’s formation, while the choice of track motors is also key, with the largest DX225LC units utilising 32-tonne class excavator motors to propel these enormously long and wide track combinations.

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have to conform to the low ground pressure and should bring higher capacity and greater crane power.”

Careful harvesting is important to the overall success of the bogland restoration effort, but it’s just the first phase in the process. Machines undertaking the subsequent ground smoothing are also light on their feet, with the largest Doosan DX225LC-5 and -7 excavators having specialist undercarriages with pads up to 2.2m in width.

Operated by Donald Shanks, the unit with the widest pads was working on ground smoothing on a large bogland restoration site near Caithness in north-east Scotland at the time of our visit. The process involves pushing the tree stumps below the surface of the bog and flattening the furrow formed during original ground preparation at forest establishment. Crucial to the success of the effort is maintaining a very shallow working depth with minimal ground disturbance – a technique Environmental Forestry Services has developed to a fine art.

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CUT, GRIND AND CLEAR Right: Polycarb screen from Tractor Guard.

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In this issue’s Market Review, Ken Topham takes a look at mulchers. They come in many shapes and sizes, and for different applications. We’ve narrowed the field a little by looking at fixed tooth machines, and found units that fit a variety of carriers IMAGES MANUFACTURERS

MARKET REVIEW | MULCHERS “THE FIXED TOOTH MULCHER IS FOUND ACROSS THE BOARD IN AGRICULTURE, ARB AND FORESTRY”

T

he fixed tooth mulcher is found across the board in agriculture, arb and forestry. With the capacity to shred trees and scrub from standing, another factor will be protecting the operator from harm – with high-speed rotors comes high speed debris.

Some skid-steer manufacturers offer harsh environment kits for their machines, Bobcat and Caterpillar amongst them, which will usually comprise of extra guarding on the machine to protect the underside from stumps, but importantly will usually have a ballistic grade front window, a polycarbonate screen probably 25mm thick which is essentially bulletproof and will withstand a constant stream of mulched tree debris being fired at it. But if your machine has come in a construction spec, it may not have this item.

The same can be said for tractors. A British company called Tractor Guard makes a polycarbonate screen that can be retro fitted. Even with a rear-mounted mulcher large objects can bounce back, so adding protection should be high on the list if you don’t already have it. Even mesh can let small objects through, but is better than nothing, which is why forestry harvesters use polycarbonate screens.

Excavators are somewhat easier to protect. Jas P Wilson has an excavator conversion for forestry work that has equipment that should be considered for above-ground mulching – cab guarding (to protect against falling objects) and a Margard windscreen, which will protect against chain shot from harvester heads are part of the modification.

If buying a mulcher for the first time, then some consideration in application should be made. The fixed tooth units we’re looking at will literally take down a tree, but at the same time if brush is what you encounter a hammer flail might be more suitable. Obviously, the carrier you have will dictate the mulcher and size – they are power hungry. If skid-steer mounting, ensuring there is sufficient oil flow and cooling capacity as well as horsepower on the base unit will be key, not all skid-steers were intended to go into this roll. Excavators tend to be more geared toward driving attachments, but it’s worth their specs.

Agricultural tractors were designed for external power through PTO, which is how tractor-mounted mulchers work. All of the examples in this round-up are 1,000rpm PTO-driven. 540 isn’t recommended in high power and torque applications like this. For high-hour users, reverse drive tractors might be a consideration, as these mulchers should be mounted on the rear linkage. Most modern machines will have enough selective control valves (SCVs) for hydraulic functions.

Protecting the cab should be a consideration, particularly in situations where trees may fall against the tractor. There are companies who can fabricate

forestry guarding for tractors, from cab bars to full on protection, as standard ag tractors will be easily damage by falling objects.

EXCAVATOR-MOUNTED FEMAC Kicking off with excavator-mounted mulchers, from Approved Hydraulics we have the Femac T20 which comes in two sizes, the DF130 and DF180, which denotes their width in centimetres. It needs a carrier from 15 tonnes upwards with an oil supply of 100 to 130L/min. The rotor is a helical layout and can be fitted with either a pointed tooth which can cut through material 30cm in diameter, or a

Femac blade-type tooth which will suit jobs where you may need to tidy up trees rather than clear them completely. This tooth can cope with 25cm material.

The Femac has a piston motor with adjustable valve block, which prevents shock loading the hydraulics and cavitation, fitted with a relief valve if the rotor stalls and a priority valve to adjust flow. Drive is taken from the motor via belts which are well guarded.

FAE From Jas P Wilson its most common sold unit is the FAE UML/HY, which suits a carrier from 7 to 15 tonnes, coming in three working widths 1,100, 1,340 and 1,580mm. It requires a feed of 70 to 160L/min of oil from 180 to 250bar. It’s available with a variable displacement motor which adjusts the speed to power

FAE

FORESTRY MACHINERY AUTUMN 2022

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MULCHERS | MARKET REVIEW carrier. The drum has 24 teeth and is driven

by V-belts from the internally mounted motor. The HM210 has dual doors, so can take material from both sides, the rear door has hanging chains for debris if working in one direction. There is also an integrated stand, to stabilise the unit when not in use.

SKID-STEER-MOUNTED INDECO In the skid-steer sector we have the Indeco IMH 3.5 SS, which is available from Field and Forest. It has a cutting width of 152.5cm covered by 46 teeth. Oil requirements are 130 to 200L/min at 240 to 350 bar. Power is transmitted via belts from the concealed motor and hydraulic system. It can be supplied with a fixed or variable displacement pump, depending on application this may be a valuable addition, shredding large diameter material will be more productive if the mulcher can manage its own speed. The Indeco comes with an adjustable push bar for standing material, which has adjustment, more flexible material can be pushed over to present the lower stem to the teeth.

“THE INDECO CAN BE SUPPLIED WITH A FIXED OR VARIABLE DISPLACEMENT PUMP” AUGER TORQUE The Auger Torque VM1000 and VM1500 are a fairly unique option, they can be fitted to either a skid-steer or an excavator. In skid-steer layout, it can have a push bar for tall/ standing material, and in excavator mode it can be used at height to shred top down.

The VM1000 requires 60 to 70L/min, at 160 to 180bar with a gear motor, and can cut 12cm material.

The

Caterpillar requirement automatically, increasing the output and fuel saving by constantly adjusting to the load. The FAE can cut through material up to 15cm, and power is transmitted to the rotor via belts in an encased channel. The motor is positioned within the body of the machine to protect it from the work environment.

Hydraulic hood is standard as is a protection and flow valve.

CATERPILLAR Cat offers its HM210 mulcher into our line-up. With a working width of 112cm, the Cat will work from 70 to 130L/min at 150 to 250bar. It features a dual speed axial piston pump, so it will manage its own speed and torque and can handle material from 12 to 20cm depending on the oil feed from the

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MARKET REVIEW | MULCHERS

Auger Torque than a standalone machine.

“THE MCCONNEL WOULD BE IDEAL FOR CLEARING SCRUB AND SHREDDING TREE STUMPS” larger model is more hungry needing 85 to 95L/min at 220 to 240bar, to feed the fixed displacement piston motor. This model will cut 25cm material. The hydraulics and drive belts are under heavy duty guarding, the front hood can be opened or closed depending on the application and carrier machine.

TRACTORMOUNTED TEAGLE Tractor-mounted mulchers are widely available, ranging from compact to high horsepower.

We’ve pulled together machines in the 180 to 250hp range, starting with the Teagle EFX/DT, which is the fixed tooth machine coming in sizes from 2 to 2.5m, and tractor power requirement from 120 to 250, at 1000 PTO. It can be front- or rear-mounted; if front mounting, a centrifugal clutch needs to be specced to protect the driveline from shocks. The push bar is standard as is hydraulic hood control, which has hanging chains to reduce thrown debris when shredding low to the ground.

McConnel

McCONNEL McConnel’s RoboCut may suit those who work in restricted access areas. The range now consists of four power units up to 75hp – up there with some of the manned skid-steers.

The Robo-Forest is the fixed tooth mulcher for the McConnel unit, the ultimate in operator protection. Unlike the skid loader options, the McConnel won’t lift to height, but would be ideal for clearing scrub and shredding stumps, with a capacity of 50mm diameter from 50 tungsten carbide teeth.

The unit is 130cm wide. With a hydraulic hood, the push bar is adjustable, this unit is a unique solution. Of course, the mulcher needs the power unit so will be part of a system rather

Teagle FORESTRY MACHINERY AUTUMN 2022

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MULCHERS | MARKET REVIEW

Seppi The hood is double skinned to prolong the life of the machine, and appearance.

SEPPI Seppi units are supplied by Arbor Agri Ltd and its offering in the sector is the Midiforst DT. It comes in three sizes, 2 to 2.5m, and a power requirement of 120 to 190hp. The Seppi has a split drive, taking the power to the rotor via two sets of five belts. The Midiforst can mulch material up to 30cm and can be fitted with four different types of teeth depending on application, from felling to soil engaging operations. A push

tooth options. It can mulch up to 50cm and is aimed at a heavy clearance market. It features a fluid turbo clutch to increase torque to the rotor while reducing driveline shock loads. The PTO has an overrun clutch also, with a maximum power rating of 250hp. The driveline is split using 12 belts to transmit power to both sides of the rotor.

“SEPPI UNITS ARE SUPPLIED

BY ARBOR AGRI LTD” bar is optional, and can be set in four positions for different felling tasks. The hydraulic rear hood opens up the rotor for large/standing material and is equipped with hanging chains to reduce thrown debris when the hood is closed. This mulcher can also be configured for front mounted use.

TMC CANCELA Spaldings Ltd supplies the TMC Cancela mulcher. The TFZ-225 has a 225cm working width and is available with three different

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AUTUMN 2022 FORESTRY MACHINERY

TMC Cancela

A high-specification machine, the TMC mulcher has a hydraulic top link and the push bar is also hydraulic with raking teeth for land recovery tasks. The hood can also be opened for felling/large volume tasks and this is also hydraulic. Of course, this means the TFZ-225 needs three SCVs for all functions.

QUALITY NEW & USED MACHINERY SALES & HIRE We are a forestry machinery and plant dealership with expertise in excavator attachments and woodchippers. We deliver specialist equipment to clients in the UK operating within a range of different sectors.

Field and Forest Machinery Ltd pride ourselves on supplying the highest quality equipment supported by our industry knowledge and a customer first approach. Our business is based on our strong relationships with our customers and suppliers.

GRAPPLE SAWS TREE SHEARS WOOD CHIPPERS MULCHERS GRABS AND GRAPPLES FIREWOOD PROCESSORS KINDLING MACHINERY CONE SPLITTERS STUMP GRINDERS AND SHEARS BRASH RAKES GRAB AND ROTATOR PACKAGES HYDRAULIC HAMMERS/COMPACTORS HYDRAULIC PULVERISERS AND SCRAP SHEARS GROUNDS MAINTENANCE EQUIPMENT REMOTE OPERATED FLAIL AND BANK MOWERS CUSTOM SADDLE AND HITCH FABRICATION BEAVERTAIL WITH HIAB HIRE

Tel: 01506 862 371 Web: www.fieldandforestltd.co.uk Email: sales@fieldandforestltd.co.uk Unit 1, Brock House, Dunnet Way, East Mains Industrial Estate, Broxburn, EH52 5AD

FORESTRY VETERANS | USED MACHINERY

2005 Rottne H20 yours for £75,000.

FORESTRY VETERANS

In this brand new section of Forestry Machinery magazine, we turn our attention to the used market and highlight equipment that caught our eye, including a beast of a harvester and three capable chippers

T

he world of forestry machinery never sleeps, and manufacturers are constantly bringing new technologies to market that make their offerings ever more productive and efficient. However, that doesn’t mean older machines have no place on site. For those who cannot quite stretch to a brand new harvester, forwarder, chipper or even a harvesting head, there are plenty of dealers with highly capable ‘pre-loved’ kit looking to satisfy the requirements of contractors and owner-operators.

SP661LF head and a cab with touchscreen.

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ROTTNE H20 Take for example this 2005 Rottne H20 Harvester with RK200 crane, offered by Jas P Wilson in Dalbeattie, Scotland. Despite 16,000 hours under its belt, this 22-tonne, Swedish-built machine appeared in presentable condition, as was its SP Maskiner SP661LF head – no surprise given the attachment was renewed in September 2018. The head’s maker states a 1,480kg weight and 70cm cutting diameter for an operating window of 16 to 51cm diameter

trees; recommended working pressure is 260 to 300bar. For £75,000, Jas P Wilson also threw in a 3-month warranty, which is good news and rarely seen on a forestry machine of this vintage.

USEWOOD FOREST MASTER TURBO Another harvester that caught our eye was a compact Usewood Forest Master Turbo.

Broxburn-based Field and Forest Machinery had stuck a £59,995 sticker on the window and that seemed reasonable given what was on offer. Hailing from 2017 and aimed at young forest management, this 8-wheel drive harvester packed in a 44hp Kubota diesel engine and hydrostatic transmission, along with a Rexroth variable displacement pump (130L/min) and Rexroth LUDV load sensing hydraulic valves. Its next operator will be treated to electric joysticks and keypads, plus a 7-inch touchscreen. Quoted fuel consumption was 3L/hour and crane lifting capacity 350kg. Hours on the clock?

Just over 4,100. And weighing a mere 2.3 tonnes meant this Finnish wonder was small enough for a car trailer.

TEMPTING TRIO

WOODCHIPPERS – £15,000

A pain in the trunk. That’s one way to describe trees brought down to earth by a timber-hungry machine. Hope is at hand, however, in the form of well-developed woodchipping machines. Chipping fallen wood cuts the clean-up effort and you can sell the resulting material as compost, mulch and biofuel. If you’ve not got a chipping set-up to hand, you could be missing out on some extra income. Below are three machines we spotted for a budget of around £15,000.

FÖRST ST6P

GREENMECH EVO 165D

TIMBERWOLF 230DHB

Först woodchippers are designed and

British firm GreenMech has been going since

Timberwolf has been offering towed, tracked

manufactured by British company Redwood,

1993 so knows a thing or two about chippers.

and PTO chippers in the UK for over three

based in Hampshire. Dive into online forums and

The company’s towed Evo range has proven

decades. In 2020, the manufacturer replaced

feedback on these machines is generally very

popular in the UK, and the 165D model is an

the TW 230DHB model with the Stage 5

positive – and often glowing! The Först brand

interesting option. Weighing 1,000kg, it has a

emissions-compliant TW230HB, but that

was launched in 2013, and its latest machines

6.5-inch feed capacity and Stage 5 Kubota

doesn’t mean the older model doesn’t deserve

come in wheeled, tracked and PTO forms.

diesel engine rated at 25hp. Noted for its

a shot in your fleet. Tipping the scales at 749kg,

aggressive bite, the Evo 165D packs a heavy-

the 230DHB is equipped with a 35hp Kubota

offered by Redwood itself – a wheeled ST6P

duty flywheel and twin horizontal feed rollers

diesel engine and 6.3-inch in-feed capacity.

with impressive 6x8-inch feed capacity. Billed

partnered with a ‘No stress’ feed system with

Launched in 2014, the 230DHB was itself a

as the ‘fastest selling sub 750kg chipper’, this

variable throughput speed. Rated at 4.25

replacement for the 150DHB and boasted

ST6P was built in 2020 and has clocked up just

tonnes per hour, chipping is taken care of by

several upgrades including a more powerful

492 hours of use. Standard features include a

four disc-type blades. GreenMech says this

chipping rotor and improved stability through

37hp Briggs Vanguard V-Twin EFI engine, a

machine is designed to be the quietest chipper

the use of a wider axle and deeper chassis

FörstGrip feed roller system with twin hydraulic

in its class and the 114/91dB (power/pressure)

beam. Other tech highlights include twin

feed rollers tensioned by twin heavy duty

noise ratings appear to confirm that.

hydraulic rollers with automatic feed control.

One used chipper that caught our eye was

springs, plus Först’s tried-and-tested

At the time of writing, machinery specialist

Throughput is rated at 5.45 tonnes per hour.

AutoIntelligence electronics, and user-friendly

George Browns of Leighton Buzzard in

button controls. Fully serviced, this particular

Bedfordshire was offering this 2020-built 165D

Robinson in Stockton-on-Tees, Cleveland for

We spotted a 2018 model for sale at CG

ST6P came with new blades and anvils fitted.

towed chipper for £14,750 plus VAT with 106

£15,000. Described as in excellent condition,

The price was £12,350 plus VAT.

hours racked up.

it had worked for a mere 397 hours.

FIELD AND FOREST MACHINERY

Forest Master for young forest management.

Our final used highlight was spotted on specialist marketplace Agriline. Advertised on behalf of a private seller in Germany, the 2016 Komatsu 855.1 Forwarder could have been yours for £150,000 plus VAT with 5,800 running hours racked up to date. With a gross load capacity of 14 tonnes, plus 8-wheel drive and a set of (well used) tracks for the 710/45x26.5 Forest King tyres, the red forwarder (located in Essex, UK) also boasted a CRF 11c crane and Komatsu G28 grapple, MaxiXplorer machine control system, rear-view camera, fire suppression system, air conditioning and engine heater.

Under the hood was a Stage 3B, 6-cylinder turbodiesel engine producing 204hp and 950Nm of torque – more than enough to turn those eight wheels.

AGRILINE

KOMATSU 855.1

2016 Komatsu with CRF 11c crane fitted.

FORESTRY MACHINERY AUTUMN 2022

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FORESTRY VETERANS | USED MACHINERY

TOP SPOT

AUCTION HIGHLIGHTS

Sifor 414E 4x4 harvester (2019) ¤61,000/£52,000 Demo unit with 2015 Palfinger Epsilon S110F80 crane and 2019 Sifor 350 head, 50 hours, located in northern France.

Logset 8H 6x6 harvester (2011) ¤36,000/£29,000 6000B harvesting head, computerised measuring, and air-conditioned tilting cab, 17,678 hours, located in northern France.

JOHN DEERE 1110G FORWARDER

This five-year old machine has proved its worth in the hands of Treeworks and is now looking for a new home – highly specced, it could be just the ticket...

T

WORDS AND IMAGES DAVID WYLIE

reeworks is a family-run business based in Abernyte, Perthshire. As foresters, Neil and Angus Gray and their team offer an experienced and qualified service for all aspects of tree management. In October 2020, Treeworks acquired a pre-owned, 2017 John Deere 1110G forwarder with 6,000 hours on the clock for additional thinnings and clearfell work. Previous good experience with a John Deere harvester, plus a large-capacity load carrying bunk and a nearby dealership made the purchase a no-brainer.

Neil’s son, Angus Gray, runs all the forest operations on the company’s jobsites. Angus explained this machine is fitted with a CF5 8.5m crane with IBC and Y-link, and Loglift FX36 grab. Angus says one of the most impressive parts of the machine’s performance is the John Deere Intelligent

Boom Control (IBC), which was introduced for forwarders in 2013. The IBC system uses sensors to detect the position of the grab and then adjusts the boom’s trajectory in one continuous motion.

Angus says the machine has been totally reliable and they’ve not needed to put a spanner on it apart from regular services, which has been completely carried out by the John Deere dealer. This John Deere 1110G forwarder now has 6,900 hours on the clock and is said to be in very good condition. It is fitted with a set of Nokian TRS 2 tyres and comes with a pair of Grouzer bandtracks. It also has all the usual important/top spec extras, such as a night heater, LED lights and so on.

Angus is looking for offers around £160,000 plus VAT and can be contacted on 07794 623975. Viewing is welcome.

Eschlböck Kronos 120 log trailer (2004) ¤5,750/£4,800 2004 Kronos 5000 crane, K80 hitch, air brake system, located in south eastern Germany.

RITCHIE BROS

Treeworks was selling this 1110G for £160K.

Tunniben Kwikchip chipper (2000) ¤2,500/£2,000 Perkins 3-cylinder, sold in Maltby, UK.

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17/08/2022 10:27

The grip saw for smart attachment to excavators.

15 - 20 t

610 mm

• actively suspended saw unit The suspension prevents clamping of the saw even at high-risk -risk force.

• Powerful gripper for safe holding of the harvested material.

Developed for tree fellings due to safety reasons.

• made of high-strength Hardox® steel Low maintenance and wear, highly rugged and durable.

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• grease lubricated chain Avoids oil fogging, which would cause contamination of the driver’s cab and is also economical and longer lasting.

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• automatic chain tensioner The working process is not interrupted by a jumped off chain ain

APF Exhibition Alcester 1540-1600 OUT

• optional: Power-Tiltator For efficient and flexible operation.

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08/08/2022 12:34