Yanmar 4TNV98-ZNMS, 4TNV98T-ZNMS, 4TNV98-ZNTBL, 4TNV98T-ZNTBL Parts Manual

4.4 (16)

Yanmar 4TNV98-ZNMS 4TNV98T-ZNMS 4TNV98-ZNTBL 4TNV98T-ZNTBL Engines

(P/N’s 192809, 192808, 242474, 241451, 196108, 196340)

Mustang 2066/76/86, 2700V

and Gehl 56/6640E, V270

Skid-Steer Loaders

Gehl CTL65/75 and

Mustang MTL316/320

Compact

Track

Loaders

Form No.

917304

Revision C

07/09

ENGINE PARTS MANUAL

Introduction

This manual covers the Yanmar 4TNV98-ZNMS (and Turbocharged version) and 4TNV98-ZNTBL (and Turbocharged version) engines with the following part numbers:

Part Number 192809: Mustang 2066 (naturally-aspirated) Part Number 192808: Mustang 2076 and 2086 (turbocharged) Part Number 242474: Mustang 2066 (naturally-aspirated)

Part Number 241451: Mustang 2076/2086/2700V and Gehl 5640E/6640E/V270 (turbocharged) Part Number 196108: Gehl CTL65 and Mustang MTL316 (naturally-aspirated)

Part Number 196340: Gehl CTL75 and Mustang MTL320 (turbocharged)

When ordering service parts, specify the correct part number, full description, quantity required, and the engine model number and serial number.

Items shown that do not have a part number are shown for reference purposes only and are not available for purchase. Part numbers may change. Your Gehl or Mustang dealer will have the latest part number.

Gehl® Company and the Mustang® Manufacturing Co., Inc., reserve the right to make changes or improvements in the design or construction of any part of the unit without incurring the obligation to install such changes on any previously delivered units.

IMPORTANT

For maximum engine life, when shutting the engine down, allow the engine to idle, without load, for five minutes. This will allow engine components that operate at high temperatures to cool slightly before the engine itself is shut down.

GEHL is a registered trademark of the Gehl Company.

MUSTANG is a registered trademark of the Mustang Manufacturing Co., Inc.

TABLE OF CONTENTS

DESCRIPTION

PAGE

 

 

ENGINE SERVICE PARTS

Cylinder Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Gear Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Flywheel Housing and Oil Sump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Cylinder Head and Bonnet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Suction Manifold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Exhaust Manifold and Silencer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Camshaft and Driving Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Crankshaft and Piston. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Lubrication Oil System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Cooling Water System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Fuel Injection Pump . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Governor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 Fuel Injection Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 Fuel Line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Starting Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 Electric Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Tool and Gasket Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Turbine (Turbocharged) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Lubrication Oil Line (Turbocharged) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 Generator (-ZNTBL engine) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Numerical Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

CYLINDER BLOCK

1

917304/CP0709

PRINTED IN USA

 

 

 

CYLINDER BLOCK

 

 

 

 

 

Ref.

Part

 

Quantity

No.

No.

Description

4TNV98

1

197827

BLOCK ASSY, CYLINDER (ZNMS AND ZNTBL)

1

 

 

197831

BLOCK ASSY, CYLINDER (T-ZNMS AND T-ZNTBL)

1

 

4

186486

PLUG 55

1

 

5

425-34722

PLUG

1

 

6

186491

BOLT, METAL CAP

10

 

9

186493

BUSH, CAMSHAFT

1

 

10

425-34783

SPRING PIN 6X12

2

 

11

425-36260

PLUG PT3/8,SCREW

1

 

12

425-36260

PLUG PT3/8,SCREW

1

 

13

425-36260

PLUG PT3/8,SCREW

1

 

14

188757

PLUG 30

8

 

24

186494

BEARING ASSY, THRUST

2

 

27

186485

BOLT, HEAD

18

 

28

186513

GASKET,CYLINDER HEAD

1

 

29

186635

MAIN BEARING SET

5

 

32

197591

MAIN BEARING US=0.25

5

 

35

197592

BEARING,THRUST .25OS

2

 

PRINTED IN USA

917304/CP0709

2

GEAR HOUSING

3

917304/CP0709

PRINTED IN USA

 

 

 

GEAR HOUSING

 

 

 

 

 

Ref.

Part

 

Quantity

No.

No.

Description

4TNV98

1

188573

PARALLEL PIN 8X16

4

 

3

186586

CASE, GEAR (ZNMS AND ZNTBL)

1

 

 

197697

HOUSING,GEARS (T-ZNMS AND T-ZNTBL)

1

 

4

186543

PUMP ASSY, LUB.OIL (ZNMS AND ZNTBL)

1

 

 

197614

PUMP ASSY, LUB.OIL (T-ZNMS AND T-ZNTBL)

1

 

15

138139

STUD BOLT

4

 

16

138100

O-RING P20

1

 

17

138101

O-RING P14

1

 

18

186607

O-RING 1A P-7.0

1

 

19

186612

PACKING, 3075

1

 

20

425-34733

BOLT M 8X 16 PLATED

1

 

21

425-34746

BOLT M 8X 20 PLATED

3

 

22

425-34747

BOLT M 8X 45 PLATED

3

 

23

138141

NUT

4

 

24

425-34740

COVER,FILLER

1

 

25

425-34745

O-RING 1A P-32.0

1

 

26

186487

COVER, F.I. PUMP

1

 

27

186466

BOLT M 8X 70 PLATED

1

 

28

425-34733

BOLT M 8X 16 PLATED

1

 

29

188742

BOLT M 8X 40 PLATED

5

 

30

137948

COVER, HO-P

1

 

31

138127

O-RING 1A G-85.0

1

 

32

138133

BOLT M10X 20 PLATED

2

 

33

197826

HOUSING ASSY,COVER,G

1

 

35

186664

SEAL, OIL

1

 

36

186489

COVER ASSY

1

 

37

186490

SPONGE

1

 

38

186466

BOLT M 8X 70 PLATED

6

 

39

425-34733

BOLT M 8X 16 PLATED

3

 

40

188742

BOLT M 8X 40 PLATED

5

 

41

197593

BEARING #6205

1

 

42

186507

BALL BEARING

2

 

43

137947

CAP, LUB.OIL SUPPLY

1

 

44

185643

ADAPTOR, OIL FILLER (ZNTBL AND T-ZNTBL)

1

 

45

137949

PIPE (ZNTBL AND T-ZNTBL)

1

 

46

185644

NUT, OIL FILLER (ZNTBL AND T-ZNTBL)

1

 

47

185645

O-RING 1A P-30.0 ZNTBL AND T-ZNTBL)

1

 

PRINTED IN USA

917304/CP0709

4

FLYWHEEL HOUSING AND OIL SUMP

5

917304/CP0709

PRINTED IN USA

FLYWHEEL HOUSING AND OIL SUMP

Ref.

Part

 

Quantity

No.

No.

Description

4TNV98

1

188573

PARALLEL PIN 8X16

2

 

2

197590

COVER ASSY,FLYWHEEL (ZNMS AND T-ZNMS)

1

 

 

186576

HOUSING, FLYWHEEL (ZNTBL AND T-ZNTBL)

1

 

4

425-34756

CAP, FLYWHEEL COVER

1

 

5

186622

BOLT M10X 35 PLATED

9

 

6

186623

BOLT M10X 70 PLATED

4

 

7

197620

SEAL, OIL

1

 

8

197753

PAN ASSY, LUB. OIL (ZNMS)

1

 

 

197470

SUMP ASSY, LUB.OIL (T-ZNMS)

1

 

 

425-36120

SUMP ASSY, OIL (ZNTBL)

1

 

 

197664

SUMP ASSY, OIL (T-ZNTBL)

1

 

9

425-36121

DRAIN PLUG M22

1

 

11

138113

SEAL WASHER 22S

1

 

12

425-34729

BOLT M 8X 12 PLATED

16

 

PRINTED IN USA

917304/CP0709

6

CYLINDER HEAD AND BONNET

ZNMS AND ZNTBL Engines

7

917304/CP0709

PRINTED IN USA

 

 

 

CYLINDER HEAD AND BONNET

 

 

 

 

 

Ref.

Part

 

Quantity

No.

No.

Description

ZNMS/ZNTBL

1

186519

LIFTER, ENGINE (ZNMS)

2

 

 

186519

LIFTER, ENGINE (ZNTBL)

1

 

 

197733

LIFTER,ENGINE (ZNTBL)

1

 

2

425-34733

BOLT M 8X 16 PLATED

4

 

3

186406

SEAT A,VALVE BRIDGE

8

 

4

197622

HEAD ASSY, CYLINDER

1

 

8

186602

PLUG PT1/4,SCREW

1

 

9

425-36260

PLUG PT3/8,SCREW

4

 

10

425-34779

PLUG 40

1

 

11

186520

VALVE(INT

8

 

12

186521

VALVE(EXH

8

 

13

186522

VALVE SPRING

16

 

14

425-35188

RETAINER, SPRING

16

 

15

197472

SEAL, VALVE STEM(EXH

8

 

16

425-35191

SEAL, VALVE STEM(INT

8

 

17

186529

BRIDGE ASSY,VALVE

8

 

19

425-34791

NUT M8XP1.0

8

 

20

186411

SCREW,VALVE BRIDGE

8

 

21

186410

GUIDE,VALVE BRIDGE

8

 

22

425-35189

COTTER ASSY

16

 

24

186533

GUIDE, VALVE

16

 

25

186337

PROTECTOR, NOZZLE

4

 

26

425-34796

SEAT, NOZZLE

4

 

27

186534

RETAINER,F.I.VALVE

4

 

28

197603

FLANGE BOLT,RETAINER

4

 

29

425-34776

O-RING 1A P 12.0

4

 

30

186314

BOLT 8X80

2

 

31

186528

SUPPORT CMP

1

 

32

186523

SHAFT,ROCKER ARM

1

 

33

186524

SUPPORT A

3

 

34

186525

SUPPORT B

2

 

35

186401

WAVE WASHER

8

 

36

186530

ARM ASSY, ROCKER

4

 

38

188596

SCREW, VALVE

4

 

39

425-34791

NUT M8XP1.0

4

 

40

186531

ARM ASSY, ROCKER

4

 

42

188596

SCREW, VALVE

4

 

43

425-34791

NUT M8XP1.0

4

 

44

186535

PEDESTAL,RETAINER

4

 

45

186624

STUD M 8X 22 PLATED

2

 

46

188742

BOLT M 8X 40 PLATED

2

 

47

188746

BOLT M 8X 60 PLATED

4

 

48

188746

BOLT M 8X 60 PLATED

2

 

49

138140

NUT

2

 

50

425-34740

COVER,FILLER

1

 

51

197621

BONNET ASSY

1

 

52

197601

BAFFLE PLATE

1

 

53

197602

BAFFLE

1

 

54

186518

BAFFLE

1

 

55

186388

DIAPHRAGM,BREATHER

1

 

56

186389

CENTER PLATE

1

 

57

186390

PLATE,BREATHER

1

 

58

186391

SPRING, DIAPHRAGM

1

 

60

197698

GASKET, BONNET

1

 

61

186335

PLUG

1

 

62

197779

CLIP

2

 

63

186598

SCREW 5X10,TAPPING

6

 

64

186598

SCREW 5X10,TAPPING

6

 

65

186615

BOLT M 6X 12 PLATED

2

 

66

425-34775

KNOB

4

 

67

425-34776

O-RING 1A P 12.0

4

 

68

425-34745

O-RING 1A P-32.0

1

 

PRINTED IN USA

917304/CP0709

8

Yanmar 4TNV98-ZNMS, 4TNV98T-ZNMS, 4TNV98-ZNTBL, 4TNV98T-ZNTBL Parts Manual

CYLINDER HEAD AND BONNET

T-ZNMS and T-ZNTBL

9

917304/CP0709

PRINTED IN USA

 

 

 

CYLINDER HEAD AND BONNET

 

 

 

 

 

Ref.

Part

 

Quantity

No.

No.

Description

T-ZNMS/T-ZNTBL

1

186519

LIFTER, ENGINE

1

 

2

197668

LIFTER, ENGINE

1

 

3

425-34733

BOLT M 8X 16 PLATED

2

 

4

425-34746

BOLT M 8X 20 PLATED

2

 

5

186406

SEAT A,VALVE BRIDGE

8

 

6

197670

HEAD ASSY, CYLINDER

1

 

12

186602

PLUG PT1/4,SCREW

1

 

13

425-36260

PLUG PT3/8,SCREW

4

 

14

425-34779

PLUG 40

1

 

15

186520

VALVE(INT

8

 

16

186521

VALVE(EXH

8

 

17

186522

VALVE SPRING

16

 

18

425-35188

RETAINER, SPRING

16

 

19

197472

SEAL, VALVE STEM(EXH

8

 

20

425-35191

SEAL, VALVE STEM(INT

8

 

21

186529

BRIDGE ASSY,VALVE

8

 

23

425-34791

NUT M8XP1.0

8

 

24

186411

SCRWE,VALVE BRIDGE

8

 

25

186410

GUIDE,VALVE BRIDGE

8

 

26

425-35189

COTTER ASSY

16

 

28

186533

GUIDE, VALVE

16

 

29

186337

PROTECTOR, NOZZLE

4

 

30

425-34796

SEAT, NOZZLE

4

 

31

186534

RETAINER,F.I.VALVE

4

 

32

197603

FLANGE BOLT,RETAINER

4

 

33

425-34776

O-RING 1A P 12.0

4

 

34

186314

BOLT 8X80

2

 

35

186528

SUPPORT CMP

1

 

36

186523

SHAFT,ROCKER ARM

1

 

37

186524

SUPPORT A

3

 

38

186525

SUPPORT B

2

 

39

186401

WAVE WASHER

8

 

40

186530

ARM ASSY, ROCKER

4

 

42

188596

SCREW, VALVE

4

 

43

425-34791

NUT M8XP1.0

4

 

44

186531

ARM ASSY, ROCKER

4

 

46

188596

SCREW, VALVE

4

 

Parts Listing Continued On Next Page

PRINTED IN USA

917304/CP0709

10

CYLINDER HEAD AND BONNET

T-ZNMS and T-ZNTBL

11

917304/CP0709

PRINTED IN USA

 

 

CYLINDER HEAD AND BONNET

 

 

 

continued from previous page

Quantity

Ref.

Part

 

No.

No.

Description

T-ZNMS/T-ZNTBL

47

425-34791

NUT M8XP1.0

4

 

48

186535

PEDESTAL,RETAINER

4

 

49

186624

STUD M 8X 22 PLATED

2

 

50

188742

BOLT M 8X 40 PLATED

2

 

51

188746

BOLT M 8X 60 PLATED

4

 

52

188746

BOLT M 8X 60 PLATED

2

 

53

138140

NUT

2

 

54

425-34740

COVER,FILLER

1

 

55

197669

BONNET ASSY

1

 

56

197601

BAFFLE PLATE

1

 

57

197602

BAFFLE

1

 

58

186518

BAFFLE

1

 

60

197698

GASKET, BONNET

1

 

61

197449

JOINT, BREATHER

1

 

62

197572

CLIP

2

 

63

186598

SCREW 5X10,TAPPING

6

 

64

186615

BOLT M 6X 12 PLATED

2

 

65

425-34775

KNOB

4

 

66

425-34776

O-RING 1A P 12.0

4

 

67

425-34745

O-RING 1A P-32.0

1

 

68

197665

PIPE, BREATHER

1

 

69

197666

HOSE CMP, BREATHER

1

 

71

188632

CLAMP 22

2

 

72

197666

HOSE CMP, BREATHER

1

 

74

188632

CLAMP 22

2

 

76

425-34772

RETAINER

1

 

77

197475

HOSE, RETURN (T-ZNMS)

1

 

 

197667

HOSE ASSY,BREAZER (T-ZNTBL, INCLUDES PIPE PROTECTOR)

1

 

 

197692

PROTECTOR, PIPE 19

1

 

78

197749

MISTSEPARATOR ASSY

1

 

79

197747

COVER,SEPARATOR

1

 

80

197748

MISTSEPARATOR

1

 

81

138479

WOOL, STEEL

3

 

82

197810

BOLT M 5X 10 PLATED

4

 

83

197789

CLAMP 22

2

 

84

197792

HOSE, 16 X 250

1

 

85

425-36260

PLUG PT3/8,SCREW

1

 

86

425-34729

BOLT M 8X 12 PLATED

2

 

87

188736

BOLT 8X 14 PLATED

2

 

PRINTED IN USA

917304/CP0709

12

SUCTION MANIFOLD

ZNMS AND ZNTBL Engines

13

917304/CP0709

PRINTED IN USA

 

 

 

SUCTION MANIFOLD

 

 

 

 

 

Ref.

Part

 

Quantity

No.

No.

Description

ZNMS/ZNTBL

1

186538

PACKING(INT.MANIFOLD

1

 

2

197624

MANIFOLD CMP,INTAKE

1

 

3

 

MANIFOLD,INTAKE

1

 

4

425-34780

STUD M 6X 20 PLATED

2

 

5

425-34747

BOLT M 8X 45 PLATED

6

 

6

425-34800

BOLT M 8X 80 PLATED

4

 

7

197450

GASKET

1

 

8

425-36318

GASKET, (NON-ASB.)

1

 

9

197705

HEATER, AIR

1

 

10

197451

BEND

1

 

11

188742

BOLT M 8X 40 PLATED

2

 

12

186618

BOLT M 8X 90 PLATED

2

 

PRINTED IN USA

917304/CP0709

14

SUCTION MANIFOLD

T-ZNMS and T-ZNTBL Engines

15

917304/CP0709

PRINTED IN USA

 

 

 

SUCTION MANIFOLD

 

 

 

 

 

Ref.

Part

 

Quantity

No.

No.

Description

T-ZNMS/T-ZNTBL

1

186538

PACKING(INT.MANIFOLD

1

 

2

197672

MANIFOLD CMP,INTAKE

1

 

3

197671

MANIFOLD,INTAKE

1

 

4

197677

REEDVALVE

1

 

5

197678

SPACER(EGR VALVE

1

 

6

197679

GASKET(EGR-V SPACER

1

 

7

188732

BOLT M 6X 20 PLATED

3

 

8

188732

BOLT M 6X 20 PLATED

2

 

9

425-34780

STUD M 6X 20 PLATED

2

 

10

425-34747

BOLT M 8X 45 PLATED

6

 

11

425-34800

BOLT M 8X 80 PLATED

4

 

12

197750

RUBBER HOSE

1

 

13

197483

JOINT B

1

 

14

197476

DUCT,SUCTION

1

 

15

425-36131

CLAMP 54

3

 

16

425-36133

CLAMP 70

1

 

17

197450

GASKET

1

 

18

425-36318

GASKET, (NON-ASB.)

1

 

19

197705

HEATER, AIR

1

 

20

197451

BEND

1

 

21

188742

BOLT M 8X 40 PLATED

2

 

22

186618

BOLT M 8X 90 PLATED

2

 

PRINTED IN USA

917304/CP0709

16

EXHAUST MANIFOLD AND SILENCER

ZNMS Engine

ZNTBL Engine

17

917304/CP0709

PRINTED IN USA

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