Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual 50940194 - PDF DOWNLOAD

Yanmar (P/N 50302678) 4TNV98C-(X)NMSL (P/N 50325129) 4TNV98C-NMSLV Engine Gehl RT175/RT185 Mustang/Manitou 1750RT/1850RT Compact Track Loaders Parts Manual 50940194 Rev. B 03/20

Introduction FIG. 1 - Cylinder Block FIG. 2 - Gear Housing FIG. 3 - Flywheel Housing & Oil Sump FIG. 4 - Cylinder Head FIG. 5 - Intake Manifold FIG. 6 - Exhaust Manifold FIG. 7 - Diesel Particulate Filter (DPF) FIG. 8 - Camshaft & Drving Gear FIG. 9 - Crankshaft & Piston FIG. 10 - Lub. Oil System FIG. 11 - Coolant System FIG. 12 - Fuel Supply Pump FIG. 13 - Fuel Injection Valve FIG. 14 - Fuel Line Fig. 14A - Water Separator (Engine SN 63076 and up) FIG. 15 - Starter FIG. 16 - Electronic Control Unit (ECU) FIG. 17 - Electronics FIG. 18 - Seals & Gaskets Torque Specifications Appendix A:Pages Index Appendix B:Parts Index

1 3 5 7 9 12 15 17 20 23 25 27 29 31 33 35 37 39 41 43 46 49 50

INTRODUCTION General •

•

MANITOU AMERICAS, INC. reserves the right to make changes or improvements in the design or construction of any part of the machine without incurring the obligation to install such changes on any previously delivered machines.

This parts manual should not be used as a technical data reference; it uses simplified illustrations and does not detail servicing procedures.

Parts Ordering Information •

•

•

When ordering service parts, specify the correct part number, full description and quantity required, as well as the respective machine and engine model and serial numbers. For your safety and continued proper operation, use only genuine service parts.

“Right”, “left”, “front” and “back” are determined from a position sitting on the operator’s seat and facing forward, and the excavator “house” rotated so that the blade is also facing forward.

Some illustrations will contain circled letters or a circled combination of letters and numbers in addition to the regular number callouts.

These special callouts may be used to identify hydraulic port locations which are marked on components, or to identify the two ends of a hose, tube, or other part that is shown split in the illustration. They may also be used to indicate a common reference point when different versions of components are shown on the illustration.

Serial Number Locations and Information Locations The machine serial number is located on a metal plate at the inside of the left rear tower.

The engine serial number is located on the engine valve cover, and also on an additional sticker at the inside of the right rear tower, inside the engine compartment.

Additional Serial Number Information

Torque Charts Standard attaching hardware torque values are provided on the inside back cover, and some torque values may be shown in illustrations. Metric torque values are shown in Newton-meters, and are converted to foot-pounds by multiplying by 0.738.

Parts changes are often defined by serial numbers, and less often by date codes.

•

•

Illustrations and Parts Lists •

• •

•

Not all parts shown in the illustrations may be included in the parts listings; some are not serviced separately or are not included on engines sold in all areas.

Ref. Nos. shown in the parts listings without part numbers are shown for reference purposes only and are not available for purchase.

Boxes or brackets may be used in some illustrations to indicate assemblies (part groupings), or in some cases to highlight different versions of individual parts or assemblies.

Text references may be present on some illustrations to provide additional information.

•

•

Serial numbers as shown in the parts manual may have prefixes M (machine) or E (engine) preceding the serial number shown on the identification tag.

(From 1st SN) – indicates that the part can be used on all machines from 1st serial number to present.

“XXXXX” and “ZZZZZ” are used in the SN sequence instead of numbers for parts that have changed, but where the serial number for the change is not known.

In some cases, a date code is used instead of a serial number, and is displayed in the YYYY.MM format. Months will be displayed as .01-.12. For example, 2012.02 would be the second month (February) of 2012.

INTRODUCTION Reference Number Sequencing in Parts Lists

Unless otherwise specified, all cap screws, nuts, and bolts are Grade 8.8, cadmium or zinc plated.

NOTE:

NOTE: The following abbreviations may be

Reference numbers in the illustrations and parts listings may include sequencing variations of hyphens (-) and/or letters.

FOR EXAMPLE (Ref. Nos.): 5 = Original version/configuration of a part or assembly 5-1, 5-2, etc. = The hyphen (-) indicates an updated version/configuration of Ref. No. 5, and should have an associated serial number. The highest numbered version is the latest. If a hyphenated version is shown in the parts listing, but only the nonhyphenated version is shown in the illustration, the versions are visually similar. Multiple versions may be shown in the illustration, to identify changes.

5A, 5B, etc. = These parts do not replace Ref. Nos. 5 or 5-1, they are added components and may have an associated serial number.

5-1A, 5-1B, etc. = These are added components and may have an associated serial number.

NOTE:

There may be a Ref. No. 5A without an associated Ref. No. 5 in the list. In that example, Ref. No. 5A is a newly added part and may have an associated serial number and also an additional note or remark.

used herein: ASSD...................... Assembled ASSY...................... Assembly AR .......................... As Required CB........................... Carriage Bolt CP ........................... Cotter Pin CS ........................... Cap Screw (Hexagon Head) CYL........................ Cylinder DIA......................... Diameter DPF......................... Diesel Particulate Filter ECU........................ Electronic Control Unit EGR........................ Exhaust Gas Recirculation FHCS...................... Flat Head Cap Screw G ............................. Grams GR .......................... Grade HB .......................... Hex Bolt HLN........................ Hex Lock Nut HN .......................... Hex Nut HP........................... High Pressure HYD ....................... Hydraulic INS ......................... Insert LN........................... Lock Nut LT ........................... Left LW .......................... Lock Washer M ............................ Meter or Meters MM/mm ................. Millimeter NPT ........................ National Pipe Thread OS........................... Over-sized RT ........................... Right SHCS...................... Socket Head Cap Screw SLTD ...................... Slotted SN........................... Serial Number or Slotted Nut SQ........................... Square US........................... Under-sized W/ ........................... With W/O ........................ Without

Gehl® and Mustang® are registered trademarks of Manitou Americas, Inc.

FIG. 1 - Cylinder Block

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

3

Item

Part No.

Name

Qty

1

50250395

BLOCK ASSY, CYLINDER

1

4

186486

PLUG 55

1

5

425-34722

PLUG

1

6

186491

BOLT METAL CAP

10

9

186493

BUSH CAMSHAFT

1

10

425-34726

PLUG 30

8

11

425-34783

SPRING PIN 6 X 12

2

12

425-36260

PLUG

1

13

425-36260

PLUG

1

14

425-36260

PLUG

1

24

186494

BEARING ASSY THRUST

2

27

186485

BOLT HEAD

18

28

50250394

GASKET, CYLINDER HEAD

1

29

186635

MAIN BEARING SET

5

32

197591

MAIN BEARING US=0.25MM

5

35

197592

BEARING/THRUST OS=0.25MM

2

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

4

FIG. 2 - Gear Housing

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

5

Item

Part No.

Name

Qty

1

50250505

CASE, GEAR

1

2

188573

PARALLEL PIN 8 X 16

4

3

186543

PUMP ASSY LUB.OIL

1

14

138100

O-RING

1

15

138101

O-RING

1

15A

50291162

SEAL

1

16

186607

O-RING 1A P-7.0

1

17

425-34733

BOLT M8 X 16 PLATED

4

18

425-34747

BOLT M8 X 45 PLATED

3

19

425-34740

FILLER CAP

1

20

425-34745

O-RING 1A P-32.0

1

21

50250396

COVER ASSY, GEARCASE

1

23

186664

SEAL/OIL DOUBLE STRIP

1

24

50250398

COVER ASSY, GEARCASE

1

26

425-34741

COVER

1

27

425-34733

BOLT M8 X 16 PLATED

2

28

425-34733

BOLT M8 X 16 PLATED

4

29

425-34805

BOLT M8 X 40 PLATED

10

30

138130

BOLT M8 X 70 PLATED

7

31

185643

ADAPTER

1

32

185644

NUT

1

33

185645

O-RING

1

34

138154

GASKET/LIQUID, 150G

AR

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

Seal with 138154 or equivalent.

6

FIG. 3 - Flywheel Housing & Oil Sump

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

7

Item

Part No.

Name

Qty

1

188573

PARALLEL PIN 8 X 16

2

2

50250397

HOUSING, FLYWHEEL

1

3

425-34756

FILLER CAP

1

4

186622

BOLT M10X 35 PLATED

9

5

50250514

BOLT

4

6

197620

SEAL/OIL

1

7

50286911

OIL PAN ASSY

1

8

50288222

PLUG/DRAIN M22X1.5 LOW PROFILE

1

10

138113

SEAL WASHER

1

11

425-34729

BOLT M8 X 12 PLATED

16

12

50250350

SENSOR, FLYWHEEL REV

1

13

50282581

BOLT M 6X 16

1

14

138154

GASKET/LIQUID, 150G

AR

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

8

FIG. 4 - Cylinder Head

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

9

Item

Part No.

Name

Qty

Remarks

1

425-34782

CAP, VALVE

8

2

50250403

HEAD ASSY, CYLINDER

1

7

138124

PLUG NPT 1/16 SCREW YANMAR#238

1

8

425-34779

PLUG 40

1

9

50250313

VALVE

4

(INTAKE)

10

50250314

VALVE

4

(EXHAUST)

11

50250315

VALVE SPRING

8

12

425-34644

RETAINER, SPRING

8

13

425-34645

SEAL, VALVE STEM

4

14

50250328

SEAL, VALVE STEM

4

15

425-34646

COTTER 8

8

17

50250326

GASKET, INJECTOR

4

18

50250404

RETAINER, INJECTOR

4

19

188502

Washer

4

20

425-34761

BOLT M8 X 35 PLATED

4

21

50250316

SUPPORT ASSY

1

22

50250317

SHAFT ASSY

1

25

50250318

SPRING

3

26

50250319

SUPPORT

3

27

50250320

SUPPORT

1

28

50250322

ARM, ROCKER

4

29

188596

SCREW/VALVE

4

31

425-34791

NUT M8 X P-1.0

4

32

50250323

ARM, ROCKER

4

33

188596

SCREW/VALVE

4

35

425-34791

NUT M8 X P-1.0

4

36

138114

CIRCLIP

2

37

138155

SCREW M4 X 16

1

38

50250321

STUD

39

50282561

BOLT M10X 65 PLATED

1

40

138141

NUT

3

41

425-34740

FILLER CAP

1

42

50220689

VALVE COVER ASSEMBLY

1

43

50250399

PLATE, BAFFLE

1

44

50250400

COVER, PLATE SPRING

1

45

50250223

SPRING, PLATE

1

46

197602

BAFFLE

1

47

50250225

SCREW M5X8

2

48

50250516

SCREW

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

(INTAKE)

10

Item

Part No.

Name

Qty

49

186518

BAFFLE

1

50

186388

DIAPHRAGM BREATHER

1

51

186389

CENTER PLATE

1

52

186390

PLATE BREATHER

1

53

186391

SPRING DIAPHRAGM

1

55

50291634

GASKET

1

56

50250327

JOINT

1

57

197485

HOSE

1

58

50290609

PRESSURE SENSOR

1

59

50250332

O-RING, PRESSURE SENSOR

2

60

186335

PLUG

3

61

186598

SCREW 5 X 10 TAPPING

7

62

186598

SCREW 5 X 10 TAPPING

6

63

50282581

BOLT M 6X 16

2

64

425-34775

KNOB

3

65

425-34776

O-RING 1A P-12.0

3

66

425-34745

O-RING 1A P-32.0

1

67

50286913

LIFTER/ENGINE

1

68

50286914

LIFTER

1

69

425-34746

BOLT M8 X 20 PLATED

4

70

270953

HARNESS/GLOW PLUG

1

71

270951

PLUG/GLOW

4

72

50250474

CONNECTOR, GLOW PLUG

1

73

425-34641

GUIDE, EXHAUST VALVE

8

74

138154

GASKET/LIQUID, 150G

AR

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

11

This page intentionally left blank

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

12

FIG. 5 - Intake Manifold

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

13

Item

Part No.

Name

Qty

1

188558

BREATHER PIPE

1

2

188632

CLAMP 22MM

2

3

50250406

GASKET, MANIFOLD

1

4

50250408

MANIFOLD ASSY, INTAKE

1

5

50250405

MANIFOLD, AIR INTAKE

1

6

425-34780

STUD M6 X 20 PLATED

2

7

50250331

SENSOR/AIR TEMP

1

8

425-34747

BOLT M8 X 45 PLATED

1

9

425-34748

BOLT M8 X 55 PLATED

4

10

50250410

GASKET, COLLECTOR

1

11

50250411

COLLECTOR ASSY

1

12

425-35170

STUD M6 X 12

1

13

50250330

SENSOR, AIR TEMP

1

14

50250333

O-RING, TEMP SENSOR

1

15

50250409

COLLECTOR

1

16

50250420

SPACER, EGR VALVE

1

17

50250421

GASKET, EGR-V SPACER

1

18

50250369

JOINT, HOSE M14

1

19

50250467

JOINT, HOSE 14

1

20

138112

SEAL WASHER

2

21

425-34761

BOLT M8 X 35 PLATED

4

22

425-34780

STUD M6 X 20 PLATED

2

23

138143

NUT YANMAR#267

1

24

186616

BOLT M 8X 75 PLATED

1

25

186618

BOLT M 8X 90 PLATED

2

26

50250515

STUD

2

27

138140

NUT

2

28

50250334

BEND, INLET

1

29

50250335

THROTTLE BODY

1

30

50250336

GASKET, THROTTLE

2

31

188732

BOLT M6 X 20 PLATED

2

32

425-34998

BOLT

4

33

50250513

BOLT, M6 X 90 PLATED

2

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

Intake

14

FIG. 6 - Exhaust Manifold

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

15

Item

Part No.

Name

Qty

1

50250412

MANIFOLD, EXHAUST

1

2

50250413

GASKET, MANIFOLD

1

3

50250339

BOLT, M10 X 95 10.9T

6

4

50250376

STUD, M10 X 95 10.9T

2

5

50250422

SENSOR, EXH TEMP

1

6

50250371

CLIP, BAND

2

7

138141

NUT

2

8

50250414

PIPE, EXH PRESSURE

1

9

50250337

BOLT, PIPE JOINT

1

10

50250415

HOSE ASSY, PRESS EXH

1

12

50250338

CLIP, HOSE 14

2

13

425-34935

PACKING 12

2

14

425-34733

BOLT M8 X 16 PLATED

2

15

50250416

COOLER, EGR

1

16

50250417

GASKET, EGR COOLER

2

17

50250384

FLANGE BOLT, 10 X 40

1

18

50250419

BOLT, M8 X 50 10.9

2

19

50250424

BEND ASSY, EGR-C OUT

1

20

50250425

BEND, EGR-C OUT

1

21

138512

STUD BOLT M8X20

2

22

425-34746

BOLT M8 X 20 PLATED

2

23

137997

STUD/M10X22

4

24

138082

Gasket

1

25

50286916

PIPE, EXHAUST

1

26

138141

NUT

4

27

50250340

SENSOR, EGR GAS TEMP

1

28

50250423

PIPE ASSY, EGR

1

29

197627

GASKET/EGR PIPE

1

30

425-35772

BOLT M10 X 25 PLATED

2

31

138140

NUT

2

32

50250426

VALVE, EGR

1

33

50250427

GASKET, EGR-V IN

1

34

50250428

GASKET, EGR-V OUT

1

35

186620

BOLT M10X 60 PLATED

4

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

16

FIG. 7 - Diesel Particulate Filter (DPF)

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

17

Item

Part No.

Name

Qty

1

138082

Gasket

1

2

50286917

BAND,DPF

1

4

50250378

SENSOR, EXH TEMP

1

5

50250379

SENSOR, EXH TEMP

1

6

50286918

DPF ASSY

1

7

50286919

CASE, DOC

1

9

50286920

CASE, SOOT FILTER

1

11

50286921

FLANGE, OUTLET

1

12

50250436

GASKET, DPF

2

13

50250342

BOLT, M8 X 28 10.9T

20

14

50250387

LIFTER, DPF

1

15

50250388

STIFFENER, DPF A

5

16

50250438

STIFFENER, DPF B

1

17

50250389

STIFFENER, DPF C

1

18

50250390

STIFFENER, DPF C

1

19

188736

BOLT/M8X14 PLATED

2

20

138140

NUT

20

21

50286923

SENSOR UNIT, PRESSURE

1

22

50250337

BOLT, PIPE JOINT

2

23

50286924

PIPE ASSY,PRES EXH

1

24

50250343

GASKET, SENSOR

4

25

50286925

PIPE ASSY,PRES EXH

1

26

50286927

HOSE ASSY,PRES EXH

1

28

50250344

CLIP, HOSE

2

29

50220704

HOSE ASSY, PRESSURE EXHAUST

1

31

50250345

CLIP, HOSE

2

32

50290613

PRESSURE SENSOR

1

33

50286928

BRACKET, SENSOR

1

34

425-35164

BOLT M6 X 16 PLATED

2

35

425-34765

BOLT M8 X 25 PLATED

2

36

50250371

CLIP, BAND

1

37

50250381

BAND

1

38

50250373

CLIP, CONNECTOR

2

39

50286933

BOLT, M10X30

4

40

50284041

WASHER 12,POLISHED

2

41

197808

BOLT M10X40 PLATED

2

42

138141

NUT

1

43

138141

NUT

4

44

210-32084

HEX NUT M12 X 1.75

2

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

18

Item

Part No.

Name

Qty

45

50286936

STAY, DPF

1

46

425-34746

BOLT M8 X 20 PLATED

5

47

50286937

BOLT/ M8 X 40

4

48

50286943

STAY,DPF

1

49

138082

Gasket

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

19

This page intentionally left blank

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

20

FIG. 8 - Camshaft & Drving Gear

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

21

Item

Part No.

Name

Qty

1

425-34808

TAPPET

8

2

50250324

ROD, PUSH

8

3

50250430

SHAFT ASSY, CAM

1

4

425-34656

BEARING THRUST

1

6

50250429

GEAR, CAMSHAFT

1

7

425-34810

KEY 7X14

1

8

50250431

PULSER, CAM GEAR

1

9

138117

PIN/SPRING

1

10

425-34733

BOLT M8 X 16 PLATED

2

11

203166

SCREW M6 X 12

2

12

50250341

SENSOR, GEAR REV

1

13

50282581

BOLT M 6X 16

1

14

50250450

SHAFT, IDLE GEAR A

1

15

186505

GEAR ASSY IDLE

1

18

425-34766

BOLT M8 X 50 PLATED

3

19

50250456

GEAR, SUPPLY PUMP

1

20

186596

SPRING WASHER 18

1

21

186626

NUT M18 LOCK

1

22

50250451

SHAFT, IDLE GEAR B

1

23

50250453

GEAR ASSY, IDLE B

1

26

50250454

PLATE, IDLE SHAFT B

1

27

425-34747

BOLT M8 X 45 PLATED

3

28

50250455

PIPE ASSY, LO

1

29

186300

BOLT PIPE JOINT

2

30

425-34750

WASHER 8/SEAL

4

31

425-34813

BUSHING, IDLE GEAR

1

32

50250452

BUSH

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

22

FIG. 9 - Crankshaft & Piston

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

23

Item

Part No.

Name

Qty

1

186510

CRANKSHAFT COMP

1

3

186498

GEAR CRANKSHAFT

1

4

137957

PIN/PARALLEL

1

5

137958

PIN/PARALLEL

1

6

425-34810

KEY 7X14

1

7

186663

BOLT/V-PULLEY 35

1

8

186683

V-PULLEY, CRANKSHAFT

1

9

50220707

PACKING WASHER

1

10

50220706

Washer, V-Pulley

1

11

137956

BOLT/FLYWHEEL

6

12

50250506

FLYWHEEL ASSY

1

14

186499

GEAR RING

1

16

50250447

PISTON ASSY

4

18

50250446

RING SET, PISTON

4

24

186343

PIN PISTON

4

25

197783

CIRCLIP 30

8

26

186500

ROD ASSY CONNECTING

4

29

186501

BOLT ROD

8

30

186502

METAL ASSY CRANKPIN

4

32

197596

BUSH/PISTON PIN

4

33

197595

BEARING/PIN US=0.25MM

4

35

50250448

PISTON W/RING OS=0.25

4

37

50250449

RING SET, OS=0.25

4

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

24

FIG. 10 - Lub. Oil System

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

25

Item

Part No.

Name

Qty

1

197615

COOLER ASSY/OIL

1

2

197481

O-RING

1

3

138072

BOLT

1

4

197616

BRACKET/OIL COOLER

1

5

50280739

JOINT

1

6

197619

PIPE/COOLING WATER

1

7

138093

ELBOW NPT 3/8

1

8

186442

PIPE C.W.

1

10

186443

PROTECTOR CW-T

1

11

137953

CLAMP

1

12

197790

CLAMP 25

4

13

186609

O-RING 1A G-60.0

1

14

197870

DIPSTICK

1

16

138100

O-RING

1

17

197743

PIPE ASSY/L. OIL INLET

1

22

425-34729

BOLT M8 X 12 PLATED

1

23

425-34733

BOLT M8 X 16 PLATED

1

24

425-36085

SENDER/OIL PRESSURE

1

25

425-34750

WASHER 8/SEAL

1

26

425-34729

BOLT M8 X 12 PLATED

1

27

195568

CARTRIDGE/FILTER/ENGINE OIL

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

26

FIG. 11 - Coolant System

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

27

Item

Part No.

Name

Qty

1

425-36113

GASKET/WATER PUMP

1

2

50250325

PUMP ASSY, WATER

1

11

425-35165

BOLT M6 X 30 PLATED

2

12

425-34748

BOLT M8 X 55 PLATED

5

13

186685

PULLEY

1

14

138132

BOLT M10 X 18 PLATED

4

15

50250460

CASE ASSY, THERMOSTAT

1

16

197635

THERMOMETER

1

17

197687

JOINT

1

18

186564

COVER THERMOSTAT

1

19

425-36114

GASKET/THERMOSTAT

1

20

186370

GASKET THERMOSTAT

1

21

186371

THERMOSTAT

1

23

425-35959

SEAL WASHER 12S

1

24

138123

PLUG NPT 3/8 STEEL

2

25

188732

BOLT M6 X 20 PLATED

4

26

425-36319

GASKET, THERMOSTAT HOUSING

1

27

425-34727

PACKING 8

1

28

425-34729

BOLT M8 X 12 PLATED

1

29

425-34838

BOLT M8 X 60 PLATED

3

30

425-34851

PLUG

2

31

160427

SEAL

2

32

197687

JOINT

1

33

50250457

HOSE ASSY, EGR-C IN

1

35

197745

HOSE CLIP 22

2

37

50286944

HOSE ASSY, EGRC OUT B

1

39

197745

HOSE CLIP 22

2

41

50250458

HOSE ASSY, EGR-C OUT A

1

42

197745

HOSE CLIP 22

2

45

241477

BELT/ALTERNATOR

1

46

425-36233

Bottle/Overflow Assy

1

48

188526

CAP

1

49

186461

CLAMP

1

50

188720

PIPE 7 X 230

1

51

425-36235

CLAMP

1

52

425-36152

SUB-TANK BRACKET

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

28

FIG. 12 - Fuel Supply Pump

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

29

Item

Part No.

Name

Qty

1

50250351

PUMP ASSY, FUEL

1

2

50250352

VALVE ASSY, MPROP

1

3

50250353

RING, SEALING

1

4

50250354

O-RING, MPROP

1

5

50250355

BOLT, MPROP

2

6

50250356

SENSOR, TEMPERATURE

1

7

50250357

O-RING, FUEL PUMP

1

8

425-34760

BOLT M8 X 30 PLATED

3

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks ECU software update is required when replacing this part. Refer to the Service Manual for details.

30

FIG. 13 - Fuel Injection Valve

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

31

Item

Part No.

Name

Qty

1

50250461

INJECTOR, CR *

4

2

50250358

RING, RETAINING

4

3

50250380

RAIL ASSY

1

4

50250366

SENSOR, RAIL PRESSURE

1

5

50250367

VALVE ASSY, PLV4

1

6

50250368

O-RING, PLV4

1

7

425-34765

BOLT M8 X 25 PLATED

2

8

50250311

RETAINER

4

10

50250469

PIPE ASSY, RAIL IN

1

12

50250470

PIPE ASSY, INJ. NO 1

1

13

50250471

PIPE ASSY, INJ. NO 2

1

14

50250472

PIPE ASSY, INJ. NO 3

1

15

50250473

PIPE ASSY, INJ. NO 4

1

16

425-34781

NUT M6

4

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

32

FIG. 14 - Fuel Line

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

33

Item

Part No.

Name

Qty

Remarks

1

50250655

PIPE ASSY, FO RETURN

1

4

50250512

CLAMP, HOSE

1

5

186483

FUEL PUMP

1

6

50294169

FUEL FILTER ASSY

1

7

50250360

BRACKET ASSY, FO FILTER

1

8

50294170

FUEL FILTER

1

9

50318902

FUEL WATER SEPARATOR

1

10

50250462

BODY ASSY

1

11

50250363

PLUG, BREATHER

1

12

50250364

O-RING

1

Engine SN 63075 and before

13

138125

O-RING

1

Engine SN 63075 and before

14

50250361

CUP, CLEAR

1

Engine SN 63075 and before

15

50352550

FILTER ELEMENT FUEL/WATER SEPARATOR

1

Engine SN 63075 and before

16

203823

DRAIN PLUG

1

Engine SN 63075 and before

17

50250362

O-RING

1

Engine SN 63075 and before

18

50250365

Float

1

Engine SN 63075 and before

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

34

Fig. 14A - Water Separator (Engine SN 63076 and up)

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

35

Item

Part No.

Name

Qty

1

50318902

FUEL WATER SEPARATOR

1

2

50291640

FILTER BODY

1

3

50250363

PLUG, BREATHER

1

4

50291645

O-Ring

1

5

50294009

SEAL

1

6

50221287

Water Separator Cup

1

7

50250657

ELEMENT

1

8

50250365

Float

1

9

50221260

Fuel Sensor

1

10

50291646

O-RING

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

36

FIG. 15 - Starter

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

37

Item

Part No.

Name

Qty

1

194316

STARTER/ENG/4TNV98

1

2

197716

ARMATURE ASSY

1

5

197717

COIL ASSY/FIELD

1

6

197718

SCREW/POLE CORE SET

4

7

197719

O-RING

1

8

197720

BRUSH

2

9

197721

COVER/REAR

1

10

197722

HOLDER/BRUSH

1

11

197723

SPRING/BRUSH

1

12

197724

BRUSH ( - )

2

13

197725

SWITCH ASSY/MAGNETIC

1

14

197726

HOUSING/GEARS

1

15

197727

RETAINER/BEARING

1

16

197728

SHIFT LEVER SET

1

17

197729

COVER ASSY/DUST

1

18

197730

THROUGHT BOLT

2

19

197731

BOLT M6X20

4

20

197732

SCREW M4X10

2

21

138056

PINION ASSY

1

22

138057

CLUTCH ASSY

1

23

137924

BEARING/BALL

2

24

138058

SHAFT/PINION

1

25

137930

STOPPER KIT/PINION

1

29

425-35916

COVER

1

30

197444

BOLT M6X37

2

31

50288175

BOLT

2

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

38

FIG. 16 - Electronic Control Unit (ECU)

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

39

Item 1

Part No. 50286960

Name ECU ASSY 4V98C-NMSL

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Qty

Remarks

1

40

FIG. 17 - Electronics

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

41

Item

Part No.

Name

Qty

1

50250402

BRACKET, HARNESS

2

2

50250475

BRACKET, CONNECTOR

1

3

50288127

WIRE HARNESS/ENGINE

1

12

50250477

HARNESS, C ECO ENGINE

1

17

50250374

BOOT, CAP TYPE

1

18

50250375

BRACKET, HARNESS

1

19

50250478

BRACKET, HARNESS

1

20

186615

BOLT M6 X 12 PLATED

4

21

425-34729

BOLT M8 X 12 PLATED

2

22

425-34729

BOLT M8 X 12 PLATED

2

23

425-34729

BOLT M8 X 12 PLATED

2

24

50250517

BAND

1

25

193206

RELAY/20AMP

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

42

FIG. 18 - Seals & Gaskets

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

43

Item

Part No.

Name

Qty

2

50250394

GASKET, CYLINDER HEAD

1

3

50291634

GASKET

1

4

425-34645

SEAL, VALVE STEM

4

5

50250328

SEAL, VALVE STEM

4

6

50250326

GASKET, INJECTOR

4

7

50250406

GASKET, MANIFOLD

1

8

50250333

O-RING, TEMP SENSOR

1

9

50250410

GASKET, COLLECTOR

1

10

50250336

GASKET, THROTTLE

2

11

50250413

GASKET, MANIFOLD

1

12

138082

Gasket

3

13

50250417

GASKET, EGR COOLER

2

14

50250421

GASKET, EGR-V SPACER

1

15

197627

GASKET/EGR PIPE

1

16

50250427

GASKET, EGR-V IN

1

17

50250428

GASKET, EGR-V OUT

1

18

50250436

GASKET, DPF

2

19

50250343

GASKET, SENSOR

4

20

50220707

PACKING WASHER

1

21

138100

O-RING

2

22

138101

O-RING

1

23

425-36113

GASKET/WATER PUMP

1

24

160427

SEAL

2

25

425-36114

GASKET/THERMOSTAT

1

26

186370

GASKET THERMOSTAT

1

27

425-36319

GASKET, THERMOSTAT HOUSING

1

28

50250357

O-RING, FUEL PUMP

1

29

425-34750

WASHER 8/SEAL

5

30

425-35959

SEAL WASHER 12S

1

31

138112

SEAL WASHER

2

32

138113

SEAL WASHER

1

33

425-34727

PACKING 8

1

34

425-34935

PACKING 12

2

35

186607

O-RING 1A P-7.0

1

36

425-34776

O-RING 1A P-12.0

3

37

185645

O-RING

1

38

425-34745

O-RING 1A P-32.0

2

39

186609

O-RING 1A G-60.0

1

40

138091

HONE/FLEX

1

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Remarks

(INTAKE)

44

Item 41

Part No. 138154

Name GASKET/LIQUID, 150G

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

Qty

Remarks

1

45

TORQUE SPECIFICATIONS Note: Use these torque values when tightening hardware (excluding: locknuts and self-tapping, thread forming and sheet metal screws) unless specified otherwise.

Hydraulic fittings with various seals (light application). All torque values are in lb.-ft. (Nm) unless marked otherwise.

Straight pipe fitting with thread and screwed plug (GE) Sealing washer

Elastic seal

O-ring

Non-return valve with elastic seal

Identification aid outside Ø

M10X1.0

7 (9)

13 (18)

11 (15)

13 (18)

0.4 in. (10 mm)

M12X1.5

15 (20)

18 (25)

18 (25)

18 (25)

0.5 in. (12 mm)

M14X1.5

26 (35)

33 (45)

26 (35)

26 (35)

0.6 in. (14 mm)

M16X1.5

33 (45)

41 (55)

30 (40)

37 (50)

0.6 in. (16 mm)

M18X1.5

41 (55)

52 (70)

33 (45)

52 (70)

0.7 in. (18 mm)

M22X1.5

48 (65)

92 (125)

44 (60)

92 (125)

0.9 in. (22 mm)

M27X2.0

66 (90)

133 (180)

74 (100)

107 (145)

1.0 in. (27 mm)

M33X2.0

111 (150)

229 (310)

118 (160)

155 (210)

1.3 in. (33 mm)

M42X2.0

177 (240)

332 (450)

155 (210)

266 (360)

1.7 in. (42 mm)

M48X2.0

214 (290)

398 (540)

192 (260)

398 (540)

1.9 in. (48 mm)

G1/8A

7 (9)

13 (18)

11 (15)

13 (18)

0.4 in. (9.73 mm)

G1/4A

26 (35)

26 (35)

22 (30)

26 (35)

0.5 in. (13.16 mm)

G3/8A

33 (45)

52 (70)

33 (45)

37 (50)

0.7 in. (16.66 mm)

G1/2A

48 (65)

66 (90)

41 (55)

48 (65)

0.8 in. (20.96 mm)

G3/4A

66 (90)

133 (180)

74 (100)

103 (140)

1.0 in. (26.44 mm)

G1A

111 (150)

229 (310)

118 (160)

140 (190)

1.3 in. (33.25 mm)

G1 1/4A

177 (240)

332 (450)

155 (210)

266 (360)

1.7 in. (41.91 mm)

G1 1/2A

214 (290)

398 (540)

192 (260)

398 (540)

1.9 in. (47.80 mm)

Thread

Hydraulic fittings with various seals (heavy application). All torque values are in lb.-ft. (Nm) unless marked otherwise.

Straight pipe fitting with thread and screwed plug (GE) Sealing washer

Elastic seal

O-ring

Non-return valve with elastic seal

Identification aid outside Ø

M12X1.5

15 (20)

26 (35)

26 (35)

26 (35)

0.5 in. (12 mm)

M14X1.5

26 (35)

41 (55)

33 (45)

33 (45)

0.6 in. (14 mm)

M16X1.5

33 (45)

52 (70)

41 (55)

41 (55)

0.6 in. (16 mm)

M18X1.5

41 (55)

66 (90)

52 (70)

52 (70)

0.7 in. (18 mm)

M20X1.5

41 (55)

92 (125)

59 (80)

74 (100)

0.8 in. (20 mm)

M22X1.5

48 (65)

100 (135)

74 (100)

92 (125)

0.9 in. (22 mm)

Thread

M27X2.0

66 (90)

133 (180)

125 (170)

100 (135)

1.0 in. (27 mm)

M33X2.0

111 (150)

229 (310)

229 (310)

155 (210)

1.3 in. (33 mm)

M42X2.0

177 (240)

332 (450)

243 (330)

266 (360)

1.7 in. (42 mm)

M48X2.0

214 (290)

398 (540)

310 (420)

398 (540)

1.9 in. (48 mm)

G1/8A

26 (35)

41 (55)

33 (45)

33 (45)

0.5 in. (13.16 mm)

G1/4A

33 (45)

59 (80)

44 (60)

44 (60)

0.7 in. (16.66 mm)

G3/8A

48 (65)

85 (115)

55 (75)

74 (100)

0.8 in. (20.96 mm)

G1/2A

66 (90)

133 (180)

125 (170)

107 (145)

1.0 in. (26.44 mm)

G3/4A

111 (150)

229 (310)

229 (310)

192 (260)

1.3 in. (33.25 mm)

G1A

177 (240)

332 (450)

243 (330)

266 (360)

1.7 in. (41.91 mm)

G1 1/4A

214 (290)

398 (540)

310 (420)

398 (540)

1.9 in. (47.80 mm)

Printed in U.S.A.

50940194/AP1013

English coarse and fine pitch threads. All torque values are in lb.-ft. (Nm) unless marked otherwise.

Values marked with an asterisk (*) are in lb-in., values marked (**) are in Kg-Cm Thread - Pitch

Grade 2

Grade 5

Grade 8

Dry

Lubed

Dry

Lubed

Dry

Lubed

8-32

19* (21**)

14* (16**)

30* (34**)

22* (25**)

41* (47**)

31* (35**)

8-36

20* (23**)

15* (17**)

31* (35**)

23* (26**)

43* (49**)

32* (36**)

10-24

27* (31**)

21* (24**)

43* (49**)

32* (36**)

60* (69**)

45* (51**)

10-32

31* (35**)

23* (26**)

49* (56**)

36* (41**)

68* (78**).

51* (58**)

1/4-20

66* (76**)

50* (57**)

9 (12)

75* (86**)

12 (16)

9 (12)

1/4-28

76* (87**)

56* (64**)

10 (14)

86* (99**)

14 (19)

10 (14)

5/16-18

11 (1.5)

9 (12)

17 (23)

13 (18)

25 (34)

18 (24)

5/16-24

12 (16)

9 (12)

19 (26)

14 (19)

25 (34)

20 (27)

3/8-16

20 (27)

15 (20)

30 (41)

23 (31)

45 (61)

35 (47)

3/8-24

23 (31)

17 (23)

35 (47)

25 (34)

50 (68)

35 (47)

7/16-14

32 (43)

24 (33)

50 (68)

35 (47)

70 (95)

55 (75)

7/16-20

36 (49)

27 (37)

55 (75)

40 (54)

80 (108)

60 (81)

1/2-13

35 (47)

35 (47)

75 (102)

55 (75)

110 (149)

80 (108)

1/2-20

40 (54)

40 (54)

90 (122)

65 (88)

120 (163)

90 (122)

9/16-12

55 (75)

55 (75)

110 (149)

80 (108)

150 (203)

110 (149)

9/16-18

60 (81)

60 (81)

120 (163)

90 (122)

170 (230)

130 (176)

5/8-11

75 (102)

75 (102)

150 (203)

110 (149)

220 (298)

170 (230)

5/8-18

85 (115)

85 (115)

180 (244)

130 (176)

240 (325)

180 (244)

3/4-10

130 (176)

130 (176)

260 (353)

200 (271)

380 (515)

280 (380)

3/4-16

150 (203)

150 (203)

300 (407)

220 (298)

420 (569)

320 (434)

7/8-9

125 (169)

125 (169)

430 (583)

320 (434)

600 (813)

460 (624)

7/8-14

140 (190)

140 (190)

470 (637)

360 (488)

660 (895)

500 (678)

1-8

190 (258)

190 (258)

640 (868)

480 (651)

900 (1220)

680 (922)

1-14

210 (285)

210 (285)

710 (963)

530 (719)

1000 (1356)

740 (1003)

50940194/AP1013

Printed in U.S.A.

With coarse-pitch thread. All torque values are in lb.-ft. (Nm) unless marked otherwise.

Thread

Threads according to DIN 912, DIN 931, DIN 933, etc.

8.8

10.9

Threads according to DIN 7984

12.9

8.8

10.9

M5

4.1 (5.5)

6 (8)

7 (10)

4 (5)

5 (7)

M6

7 (10)

10 (14)

13 (17)

6.3 (8.5)

9 (12)

M8

18 (25)

26 (35)

31 (42)

15 (20)

22 (30)

M10

33 (45)

48 (65)

59 (80)

30 (40)

44 (59)

M12

64 (87)

81 (110)

108 (147)

51 (69)

74 (100)

M14

100 (135)

133 (180)

170 (230)

81 (110)

118 (160)

M16

155 (210)

203 (275)

258 (350)

125 (170)

184 (250)

M18

207 (280)

302 (410)

354 (480)

181 (245)

254 (345)

M20

302 (410)

420 (570)

509 (690)

251 (340)

361 (490)

M22

406 (550)

575 (780)

686 (930)

339 (460)

487 (660)

M24

524 (710)

738 (1000)

878 (1190)

435 (590)

620 (840)

M27

767 (1040)

1092 (1480)

1305 (1770)

642 (870)

922 (1250)

M30

1047 (1420)

1482 (2010)

1770 (2400)

885 (1200)

1254 (1700)

With fine-pitch thread. All torque values are in lb.-ft. (Nm) unless marked otherwise.

Thread

Threads according to DIN 912, DIN 931, DIN 933, etc.

8.8

10.9

Threads according to DIN 7984

12.9

8.8

10.9

M8X1.0

18 (25)

27 (37)

32 (43)

16 (22)

24 (32)

M10X1.0

37 (50)

55 (75)

65 (88)

32 (43)

48 (65)

M10X1.25

36 (49)

52 (71)

61 (83)

31 (42)

46 (62)

M12X1.25

64 (87)

96 (130)

111 (150)

55 (75)

81 (110)

M12X1.5

61 (83)

92 (125)

107 (145)

53 (72)

77 (105)

M14X1.5

100 (135)

148 (200)

173 (235)

89 (120)

129 (175)

M16X1.5

155 (210)

229 (310)

266 (360)

133 (180)

195 (265)

M18X1.5

232 (315)

332 (450)

391 (530)

199 (270)

284 (385)

M20X1.5

325 (440)

465 (630)

538 (730)

277 (375)

391 (530)

M22X1.5

435 (590)

620 (840)

723 (980)

369 (500)

524 (710)

M24X2.0

546 (740)

789 (1070)

922 (1250)

465 (630)

664 (900)

M27X2.0

811 (1100)

1143 (1550)

1328 (1800)

679 (920)

959 (1300)

M30X2.0

1106 (1500)

1586 (2150)

1844 (2500)

959 (1300)

1364 (1850)

Printed in U.S.A.

50940194/AP1013

Appendix A:Pages Index FIG. 1 - Cylinder Block 3 FIG. 10 - Lub. Oil System 25 FIG. 11 - Coolant System 27 FIG. 12 - Fuel Supply Pump 29 FIG. 13 - Fuel Injection Valve 31 FIG. 14 - Fuel Line 33 FIG. 15 - Starter 37 FIG. 16 - Electronic Control Unit (ECU) 39 FIG. 17 - Electronics 41 FIG. 18 - Seals & Gaskets 43 FIG. 2 - Gear Housing 5 FIG. 3 - Flywheel Housing & Oil Sump 7 FIG. 4 - Cylinder Head 9 FIG. 5 - Intake Manifold 12 FIG. 6 - Exhaust Manifold 15 FIG. 7 - Diesel Particulate Filter (DPF) 17 FIG. 8 - Camshaft & Drving Gear 20 FIG. 9 - Crankshaft & Piston 23 Fig. 14A - Water Separator (Engine SN 63076 and up) 35 Introduction 1 Torque Specifications 46

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49

Appendix B:Parts Index 137924 137930 137953 137956 137957 137958 137997 138056 138057 138058 138072 138082 138091 138093 138100 138101 138112 138113 138114 138117 138123 138124 138125 138130 138132 138140 138141 138143 138154 138155 138512 160427 185643 185644 185645 186300 186335 186343 186370 186371 186388 186389 186390 186391 186442 186443 186461 186483 186485 186486 186491 186493 186494 186498 186499 186500

38 38 26 24 24 24 16 38 38 38 26 16, 18, 19, 44 44 26 6, 26, 44 6, 44 14, 44 8, 44 10 22 28 10 34 6 28 14, 16, 18 10, 16, 16, 18, 18 14 6, 8, 11, 45 10 16 28, 44 6 6 6, 44 22 11 24 28, 44 28 11 11 11 11 26 26 28 34 4 4 4 4 4 24 24 24

186501 186502 186505 186510 186518 186543 186564 186596 186598 186607 186609 186615 186616 186618 186620 186622 186626 186635 186663 186664 186683 186685 188502 188526 188558 188573 188596 188632 188720 188732 188736 193206 194316 195568 197444 197481 197485 197591 197592 197595 197596 197602 197615 197616 197619 197620 197627 197635 197687 197716 197717 197718 197719 197720 197721 197722 197723

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

24 24 22 24 11 6 28 22 11, 11 6, 44 26, 44 42 14 14 16 8 22 4 24 6 24 28 10 28 14 6, 8 10, 10 14 28 14, 28 18 42 38 26 38 26 11 4 4 24 24 10 26 26 26 8 16, 44 28 28, 28 38 38 38 38 38 38 38 38

50

197724 197725 197726 197727 197728 197729 197730 197731 197732 197743 197745 197783 197790 197808 197870 203166 203823 210-32084 241477 270951 270953 425-34641 425-34644 425-34645 425-34646 425-34656 425-34722 425-34726 425-34727 425-34729 425-34733 425-34740 425-34741 425-34745 425-34746 425-34747 425-34748 425-34750 425-34756 425-34760 425-34761 425-34765 425-34766 425-34775 425-34776 425-34779 425-34780 425-34781 425-34782 425-34783 425-34791 425-34805 425-34808 425-34810 425-34813 425-34838 425-34851

38 38 38 38 38 38 38 38 38 26 28, 28, 28 24 26 18 26 22 34 18 28 11 11 11 10 10, 44 10 22 4 4 28, 44 8, 26, 26, 28, 42, 42, 42 6, 6, 6, 16, 22, 26 6, 10 6 6, 11, 44 11, 16, 19 6, 14, 22 14, 28 22, 26, 44 8 30 10, 14 18, 32 22 11 11, 44 10 14, 14 32 10 4 10, 10 6 22 22, 24 22 28 28

425-34935 425-34998 425-35164 425-35165 425-35170 425-35772 425-35916 425-35959 425-36085 425-36113 425-36114 425-36152 425-36233 425-36235 425-36260 425-36319 50220689 50220704 50220706 50220707 50221260 50221287 50250223 50250225 50250311 50250313 50250314 50250315 50250316 50250317 50250318 50250319 50250320 50250321 50250322 50250323 50250324 50250325 50250326 50250327 50250328 50250330 50250331 50250332 50250333 50250334 50250335 50250336 50250337 50250338 50250339 50250340 50250341 50250342 50250343 50250344 50250345

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

16, 44 14 18 28 14 16 38 28, 44 26 28, 44 28, 44 28 28 28 4, 4, 4 28, 44 10 18 24 24, 44 36 36 10 10 32 10 10 10 10 10 10 10 10 10 10 10 22 28 10, 44 11 10, 44 14 14 11 14, 44 14 14 14, 44 16, 18 16 16 16 22 18 18, 44 18 18

51

50250350 50250351 50250352 50250353 50250354 50250355 50250356 50250357 50250358 50250360 50250361 50250362 50250363 50250364 50250365 50250366 50250367 50250368 50250369 50250371 50250373 50250374 50250375 50250376 50250378 50250379 50250380 50250381 50250384 50250387 50250388 50250389 50250390 50250394 50250395 50250396 50250397 50250398 50250399 50250400 50250402 50250403 50250404 50250405 50250406 50250408 50250409 50250410 50250411 50250412 50250413 50250414 50250415 50250416 50250417 50250419 50250420

8 30 30 30 30 30 30 30, 44 32 34 34 34 34, 36 34 34, 36 32 32 32 14 16, 18 18 42 42 16 18 18 32 18 16 18 18 18 18 4, 44 4 6 8 6 10 10 42 10 10 14 14, 44 14 14 14, 44 14 16 16, 44 16 16 16 16, 44 16 14

50250421 50250422 50250423 50250424 50250425 50250426 50250427 50250428 50250429 50250430 50250431 50250436 50250438 50250446 50250447 50250448 50250449 50250450 50250451 50250452 50250453 50250454 50250455 50250456 50250457 50250458 50250460 50250461 50250462 50250467 50250469 50250470 50250471 50250472 50250473 50250474 50250475 50250477 50250478 50250505 50250506 50250512 50250513 50250514 50250515 50250516 50250517 50250655 50250657 50280739 50282561 50282581 50284041 50286911 50286913 50286914 50286916

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

14, 44 16 16 16 16 16 16, 44 16, 44 22 22 22 18, 44 18 24 24 24 24 22 22 22 22 22 22 22 28 28 28 32 34 14 32 32 32 32 32 11 42 42 42 6 24 34 14 8 14 10 42 34 36 26 10 8, 11, 22 18 8 11 11 16

52

50286917 50286918 50286919 50286920 50286921 50286923 50286924 50286925 50286927 50286928 50286933 50286936 50286937 50286943 50286944 50286960 50288127 50288175 50288222 50290609 50290613 50291162 50291634 50291640 50291645 50291646 50294009 50294169 50294170 50318902 50352550

18 18 18 18 18 18 18 18 18 18 18 19 19 19 28 40 42 38 8 11 18 6 11, 44 36 36 36 36 34 34 34, 36 34

(50940194) Yanmar Tier 4 4TNV98C-NMSL Engine Parts Manual

53

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