840, 940, 1040 and 1140
Tractors
TECHNICAL MANUAL 840, 940, 1040 and 1140
Tractors
TM4353 (01JUN82)
English
LITHO
SECTION 10 GENERAL
Group 00 Specifications and special tools
CONTENTS
Group 05 Pre-delivery, delivery and after-sale inspections
Group 1 0 Lubrication and periodic service
Group 15 Engine and tractor tune-up
Group 20 Tractor separation
SECTION 20 ENGINE
Group 00 Specifications and special tools
Group 05 Description, diagnosing malfunctions
Group J0 Cylinder head, valves and camshaft
Group 15 - Cylinder block, liners, pistons and connectinq rods
Group 20 Crankshaft, main bearings and flywheel
Group 25 Timing gear train
Group 30 Lubrication system
Group 35 Cooling system
SECTION 30 FUEL AND AIR INTAKE SYSTEM
Group 00 Specifications and special tools
Group 05 General information, diagnosing malfunctions
Group 10 Fuel tank, water trap, fuel transfer pumps and fuel filter
Group 15 Roto Diesel fuel injection pump
Group 20 Fuel injection nozzles
Group 25 Cold weather starting aids
Group 30 Speed control Iinkage
Group 35 Air cleaner
SECTION 40 ELECTR ICAL SYSTEM
Group 00 Specifications and special tools
Group 05 Description and diagnosing malfunctions
Group 10 Wiring harnesses
Group 15 Controls and instruments
Group 20 Lighting systems
Group 25 Wiring diagrams
Group 30 Starting motor
Group 35 Alternator
SECTION 50 POWER TRAIN
Group 00 Specifications and special tools
Group 05 Description, operation and lubricating system
Group 10 Clutch operating linkage
Group 15 Engine clutches
Group 20 Hi-Lo shift unit
Group 25 Creeper transmission
Group 30 Transmission shift linkage
Group 35- Synchronized transmission and transmission oil pump
Group 40 Collar shift transmission and transmission oiI pump
Group 45 Differential
Group 50 Final drives
Group 55 Independent PTO
Group 60 Continuous-running PTO
Group 65 Mechanical front wheel drive
CONTENTS (Contd.)
SECTION 60 STEERING SYSTEM AND BRAKES
Group 00 Specifications and special tools
Group 05 Power steering
Group 10 Manual steering
Group 15 Brakes
SECTION 70 HYDRAULIC SYSTEM
Group 00 Specifications and special tools
Group 05 Description, diagnosing malfunctions and pressure tests
Group 10 Oil reservoir, filter, valves and oil cooler
Group 15 Hydraulic pumps
Group 20 Rockshaft
Group 25 Selective control valves (spool type)
Group 30 - Selective control valves (poppet valve type)
Group 35 Hose couplers
Group 40 Remote cylinder
SECTION 80- MISCELLANEOUS
Group 00 Specifications and special tools
Group 05 Front axIe
Group 10 Belt putley
Group 15 Front and rear wheels
Group 20 Axla trailer hitch
SECTION 90 OPERATOR‘S CAB
Group 00 Specifications and special tools
Group 05 Cab ventilation and heating
Group 10 Operator’s seats
Group J5 Operator‘s cab
Group 20 RolI guard
10-00-2 Specifications and Special Tools
TM-4353 (June-82) Printed in Germany (F 2)
Tractors - 840, 940, 1040 and 1140
Specifications and Special Tools
Specifications
Serial Numbers
The engine serial number is stamped into the plate located on the Iower front right-hand side of the cy li nder block .
NO TE. th en orderi'ng engi'oe parts, goote all digits o f serie/ number stamped on the plvte.
The plate showing the tractor serial number is located on the right-hand side of the front axle carrier.
N OTC- then ordering trector stamp ed on the plc te. spare parts texcludinp engi”ne paris), quote all digits of serial number
A plate showing the tractor type, transmission serial number, cone point measurement etched into pinion face of di fferential drive shaft as wel I as reduction of differential is located on the right-hand side of the transmission case.
Model Numbers
The fuel injection pump, fuel injection nozzles, alternator, starting motor, and hydraulie pump have model numbers to facilitate identification of different makes of a given unit.
Engine
Number of cylinders
Cylinder Iiner bore
Stroke . ...... .
Displacement.
Compression ratio
Maximum torque
840 at 1300 rpm
940 at 1300 rpm .
1040 at 1400 rpm
1140 at 1 400 rpm
Firing order...........
Valve clearance (engine hot or cold)
Intake valve
Exhaust valve
10-00-4 Specifications and Special Tools
and 940
and 1140............................................................................................................................
Rated engine speed
and 940
1040 and 1140 ....................................................... ,
Working speed range
and 940
and 1140
Flywheel horsepower according to DIN 70020
PTO“ horsepower according to DIN 70020 atengine rated speed of 2400 rpm (without mid PTO)
PTO“
to DIN SAE J 816 b
Lubrication system ............................Full internal force feed system, with full flow filter En g ine Clutch Single dry disk with torsion damper or dual-stage dry disk, foot-operated
* With the engine run in (above 100 hours of operazion) and having reached operatinp temperature lengine and transmission); measured by means of a dynamometer, Permissible variation ¿ 5 %
TM-4353 IJune-82) Printed in Germanz (F 2) Tractors - B40, 940, 1040 and 1140
Cooling System
Type.
Temperature regulation
Fuel System
Tyoe
Fuel injection pump timing to engine
Fuel i nject ion pump type 840 .... 940
1140 . .
Air cleaner..
Electrical System
8atteries
AIternator with internal regulator Tractors without operator's cab Tractors with operator s cab
Starting motor.
Battery terminal grounded
Synchronized Transmission
Type
Gear selections
Gear shifting
Collar Shift Transmission
Pressurized system with centrifugal pump
(safety)
(4
Synchronized transmission 8 forward and 4 reverse
Two lo rward groups and one reverse grouo Synchro nized lo rward and reverse shifting within groups
Type |-] $l ÏCü| gears
Gear selections
Gear shifting . .... .. . .8 forward, 4 reverse speeds
Two forward ranges, One reverse range
TM-4353 (June-82) Printed in Germany (F 2) Tractors - B40, 940, 1040 and I í40
10-00-6 Specifications and Special Tools
Hi-Lo Shift Unit
Type .............................................Hydraulic gear reduction unit which can be shifted under load with "wet" multiple disk clutch and brake nacks
Travel speed decreases in each gear by
Shifting to reduced (Lo) speed
Shifting to normal (Hi) speed
Creeper Transmission
Type
Approx. 20 %
.Preloaded cup springs Hydraulic
Synchronized reduction unit
Travel speed decreases in low (I) and reverse ranges bv ... .. .. approx. 79 Oo
Shifting both ranges
Differential and Final Drives
Type of differential
.Mechanical and not under load Spiral bevel gears
Type of final drive.................................................Planetary reduction drive
Differential Lock
Operation ......................................................... H and or foot operated
Disengage
PTO
INDEPENDENT PTO
Type
PTO clutch
WilI disengage automaticaIIy as soon as traction has equal ized
Independent of transmission, can be engaged and disengaged under load
Hydraulically operated "wet" disk clutch
PTO brake .........................................Hydraulically operated "wet" disk brake
CONTINUOUS RUi\INING PTO
Type
TM-4353 (June-82) Printed in Germany (F 2)
Independent of t ransm ission, with engine dual stage clutch
Tractors - 840, 940, 1040 and 1140
General Specifications and Special Tools
PTO SPEEDS (in rpm) Tractors with mid PTO
PTO SPEEDS (in rpm) Tractors without mid PTO
Mechanical Front Wheel Drive
Type
Engageme nt.
Disengagement
Power Steering
Manual Steering
Foot Brakes
Handbrake
Engaged hyd auI ical y, under fuII Ioad vvCth "wet" di sk c lu tch
Electrical 'hydraulic soIenoid switch
Preloaded cup sp ings
HydrauI ic
TM-43Ifi3 (June-82) Pri”nted in Germany (F 2)
Hydraulically operated steering linkage
.Recirculating ball bearing type
SelI -adjusting, hydrauIically operated "wet" disI‹ brakes
MechanicalIy operated band type locking brake acting on the di fferential
Tractors - 840, 940, f040 and 1140
10-00-8 Specifi¢ations and Special Tools
Hydraulic System
Type
Capacities
Transmission - Hydraulic system (including oil reservoir and oil cooler on 940, 1040 and 1140 tractors)
1040, 1140
- 940, 1040, 1140................................................51
1040, 1140
1040, 1140
Oil reservoir 0 il cooler
Mechanical front wheel drive Front axIe housing Wheel hub housing, each Belt pulley
Travel Speeds
Front and Rear Wheels
Tires, tread widths. tire pressures and ballast weights
Dimensions and Weights
TM-4353 (June-82) Printed in Germany (F 2) Tractors - 840, 940. 1040 end I !4O
10-00-10 Specifications and Special Tools
Predelivery, Delivery and After-Sales Inspections
ENGINE SPEEDS
Slow idle
Fast idle 840 and 940
1040 and 1140.........................................................................................................................2660
Rated speed 840 and 940 1040 and 1J40
FAN BELT
The fan belt should have 19 mm (0.75 in.) flex with 90 N (20 Ib) pull midway between crankshaft and alternator or water pump (use a spring scale).
CLUTCH PEDAL
Clutch pedal free travel
FRONT WHEEL TOE-IN
Tractors without MFWD 3 to 6 mm
Tractors with MFWD 0 to 3 mm
TORQUES FOR HARDWAR E
Start safety switch in rockshaft housing, max.
Front wheel rim to hub
Tractors without IV]FWD
Tractors with MFWD
AxIe knees to axle center, cap screws
Tie rod outer clamp, cap screw
Tie rodinner clamp, cap screw
Rear wheels to rear axIe
4-post roll guard
Roll guard to fender, cap screws
U bolt hex. nuts
2 post roll guard
to crossbar, cap screws
Rear fender to final drive housing, cap screws
Nm
TM-4353 (June-82) Printed in Germany IF 2) Tractors - 840, 940, 1040 and 1140
Lubrication and Service CAPACIT IES
Engine crankcase
Transmission - Hydraulic system (including oil reservoir and oil cooler on 940, 1040 and 1140 tractors)
Synchronized transmission
940, 1040, T 140
|iters 940, JO40, 1140.
Collar shift transmission (without mid PTO) Initial filling 840
liters 940, 1040, 1140
change 840
940, 1040, 1140
Collar shift transmission (with mid PTO) Initial filling -
U.S.gals.
U.S.gals.
U.S.gals. 9.5 U.S.gals. 11.1 U.SgaIs. 7.4 U.S.gals. 9.0 U.S.gals.
0.5 U.S.gals. 1.4 U.S.gals. 0.2 U.S.gals.
0.3 U.S.gals.
SERVICE INTERVALS
Checking crankcase oil level every
Changingeng!neoil every
system
Cleaning and packing front wheel bearings every
Lubricating grease fittings
Front axle and front axle bearings
Rear axle bearings in whet and muddy conditions
Three-point
10-00-12 Specifications and Special Tools
Tune-Up
PTO horsepower* at 2400 rpm rated engine speed (without mid-PTO) According to DIN 70020, 840
PTO
Rated engine speed
and 940
1040 and 1140
Air intake system vacuum
Air cleaner restriction warning switch closes at a vacuum of Blow-by
FAN BELT
Fan belt should have 19 mm (0.75 in.) flex with 90 N (20 lb) pull midway between crankshaft and alternator or water pump (use a spring scale).
With the engine run in (more than 100 hours of operation) and having reached operating temperature (engine and transmission); measured by means of a dynamometer. Permissible variation 5 %
TM-4353 (June-82) Printed in Germany (F 2) Tractors - B40, 940, 1040 and 1140
Tractor Separation
TOROUES FOR HARDWARE
Front axle carrier to engine block
attaching cap screws (4 used)
(2 used)
Hydraulic pump drive shaft, cap screws Jointed
link to bell crank and steering arm, slotted nuts* .....................................................
housing to engine block
Clutch housing to transmission case, cap screws
Retainer of hydraulic lines to clutch housing, cap screw
Final drive housing to transmission case, cap
2-Post roll guard
' NOTE. If cotter pi”n cannot be inserted when tightenI"ng to the specified tor‹:due, turn nut to nex t slot and secure with cotter pin.
fJune-82) Printed in Germany (F 2)
10-00-14 Specifications and Special Tools
TOR €tUES FOR HARDWARE (Contd.)
Operator‘s Cab
Cab to rubber mounting block, slotted nuts*
Rubber bearing block to mounting and pivot
brackets, cap screws
Mounting pivot bracket to final drive housing,
cap screws
Mounting bracket to battery box, cap screws
Battery box to fIywheel housing,
upper cap screw.............................................................................................
lower cap screws ... . ,.................................................................................
• NOTFz: Insert cotter pin within speciti'ed torque.
Standard
Torques
Recommended torques inNm and ft-lb for UNC and UNF cap screws
NOTE: A variation of 10 % is permissible for all torc|ues indicated in this chart.
Torque figures indicated above and in the Specification sections of this manual are valid for non-greased or non-oiled threads and heads unless otherwise specified. Therefore, do not grease or oil bolts or cap screws unless otherwise specified in thismanual.
* Tempered steel high strength bolts and cap screws
** Tempered steel extra high strength bolts and cap screws
TM-4353 (June-82) Printed in Germanz (F 2) Tractors - B40, 940, y040 and 1140
Recommended torques in Nm and ft-lb for metric cap screws
NOTE. A vari'ation o f _* IO °ñ i's permissible for all torques indiceted in this chart.
Torque figures indicated above and in the Specification sections of this manual are valid for non-greased or non-oiled threads and heads unless otherwise sperified. Therefore, do not grease or oil bolts or cap screws unless otherwise specified in this manual.
* Regular bolts and cap screws
** Temp.•red steel high strength bolts and cap screws
*** Tempered steel extra high strength bolts and cap screws
Recommended torques in Nm and ft-lb for pipe and hose connections
(June-82) Printed in Germany (F 2) Tractors - B40, 940, 1040 and 1140
