No.

Part

Drawing No.

Qty.

No.

Part

Drawing No.

Qty.

1

Stud AGM8-M8×30 8.8-Zn.D

Washer 8

Nut M8-Zn.D

Bearing cap, driven shaft Bearing cap, driving shaft

Stud AGM8-M8×35

-8.8-Zn.D

Oil seal FB55×75×12-F

Housing unit, transmission case (FR)

Housing,    transmission    case (FR)

Bearing seat Locating sleeve Washer 12

Bolt M12×1.25×60 Bolt M10×1.25×35

Washer 10

Cover unit (UPR), transmission Cover (UPR), transmission Dowel pin

GB 898-88

4

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

Elbow connection, breather plug

Retainer, bearing, auxiliary transmission

Bolt M12×1.25×35

Washer 12

Slotted plug M12×1.25 Pin 6.3×26

Seal washer 22 Magnetic drain plug unit

Welded auxiliary shift lever unit

Bolt M8×45

Shield (LWR), cover (UPR), transmission

Sleeve, main shift lever Retainer ring 40

Oil seal, master lever

Control lever (LWR), shift lever

Bolt M8×25

Support unit, main shift lever Spring

Steel ball 8.5

885139648/1.21.072

1204.37.140-2

GB 5786-86

GB 7244-87 10152314/14548 GB 91-86 JB982-77

885118991/1.21.030A

1204-1.37.014

GB/T 5782-2000

1204-1.37.113

5129575/1.29.119A GB 893.1-86 4984223/1.29.195

1204-1.37.110

GB 5782-2000 5127961/1.29.014

884994342/1.29.031

GB 308-89

1

1

5

5

2

1

1

1

1

2

1

2

2

2

2

6

2

4

4

2

GB/T 93-1987

15

3

GB 6175-2000

7

4

1204.37.106

1

5

1254C.37.101

1

1

6

GB 898-88

3

7

GB9877.1-1988

1

8

1204-1.37.011

1

8.1

1204-1.37.101

1

8.2

1204.37.102-1

1

8.3

1204.37.103

2

8.4

GB 7244-87

7

8.5

GB 5786-86

7

9

GB 5785-86

11

10

GB 7244-87

11

11

11.1

1204-1.37.102

1

11.2

4985063/1.21.067

2

No.

Part

Drawing No.

Qty.

No.

Part

Drawing No.

Qty.

31

Slider, I-II

1204-1.37.104

1

49.2

Bush, driving shaft

4985057/1.28.137

1

32

Fork, III-IV

1204.37.166

1

50

Oil seal (RR), driving shaft

5106073/1.28.192

1

33

Slider, III-IV

1204-1.37.105

1

28×38×7

34

Fork, I-II

1204-1.37.114

1

51

IV driving gear

1204.37.113SZ

1

35

Shift head

8A5129522/1.29.004

1

52

Spacer

5131905/1.28.143

2

36

Slider, N-R

1204-1.37.107

1

53

III driving gear

1204.37.111SZ

1

37

Shifting block, N-R

1204.37.185

2

54

II driving gear

1204.37.109SZ

1

38

Interlock pin

5110264/1.29.041

2

55

I driving gear

1204.37.107SZ

1

39

Slider, Hi-Lo

1204-1.37.106

1

SZ1304.37.103①

40

Fork, N-R

1204-1.37.103

1

56

Circlip, driving shaft

1204.37.115

2

41

42

43

Fork, Hi-Lo

Spiral spring pin 5×30

Shifting block, transfer, external control

1204.37.167③

13907670/12215

1604-1.37.110③

1

7

2

57

58

59

Cone bearing (RR), driving shaft

Cone bearing 7509E Retainer ring 45

1204.37.116

GB 297-84 11069076/12245

1

1

1

44

45

Set screw, shifting block

Welded main shift lever unit

LG1304.37.166 1204-1.37.013

4

1

60

61

Nut, driven shaft,

Bearing (FR), driven shaft, (NUP2208E)

5123114/1.28.149

GB/T283-94

1

1

46

Retainer ring 55

GB 894.1-86

1

62

Washer, locking plate

4998562/1.80.141A

1

47

48

49

49.1

Adjusting shim, driving shaft

Bearing 92211E Driving shaft unit Driving shaft

1204.37.145-154

1204.37.189-192

GB 283-87 1254C.37.011

As needed

1

1

1

63

64

65

66

Driven gear, 1,000 r/min Synchronizer sleeve Welded driven gear unit, IV Shift collar, I, II, III & IV

4998561/1.80.115

1204.37.119

1204.37A.011SZ

1204.37A.106

1

4

1

2

1254C.37.102

No.

Part

Drawing No.

Qty.

No.

Part

Drawing No.

Qty.

67

Gear holder

1204.37A.105SZ

2

89

Adjusting shim, driving shaft, auxiliary transmission

Retainer ring 30 Washer, bearing Bearing 33206 Gear holder, Hi-Lo Shift collar, Hi-Lo

Driven gear, low range

Spacer, driven gear, auxiliary transmission

Driven gear, medium range Gear holder, N-R

Shift collar, N-R Driven gear, R

Driven shaft, auxiliary transmission

Shim, driven shaft, auxiliary transmission

Bearing 30309

Nut, driven shaft, auxiliary transmission

Screw M10×12 Synchronizer ring Spring leaf

Seat, spring leaf

Driven gear, IV

1204.37.155～164

12245/11067876

1204.37.193

GB/T297-94 1204.37.133-1SZ

1204.37.124SZ

1204.37.129SZ

1204.37.128

1204.37.127-1SZ

1204.37.134SZ

1204.37.125SZ

1204.37.131SZ

1204.37.123-3SZ

1204.37.138-2

GB/T297-94 1204.37.139

GB 73-85 5138206/1.28.170

5111457/1.28.144

5150557/1.28.145

1204.37.114SZ

As needed

1

1

1

1

1

1

3

1

1

1

1

1

1

1

1

1

4

6

6

1

68

Driven gear, III

1204.37A.103SZ

1

69

Retainer ring

5127573/1.28.131

1

90

70

Driven gear, II

1204.37A.102SZ

1

91

71

Driven gear, I

1204.37A.101SZ

1

92

72

Circlip, driven shaft

1204.37.120

1

93

73

Cone bearing (RR), driven

1204.37.118

1

94

shaft

95

74

Driven shaft

1204.37.121-2SZ

1

96

75

Circlip, reverse shaft

1204.37.142

1

76

Washer, R

1204.37.143

1

97

77

Bearing 206

GB 276-89

2

98

78

Idle gear, R

SZ1204.37.132SZ

1

99

79

Retainer ring 62

GB 893.1-86

1

100

80

Reverse shaft unit

1204.37.018

1

101

81

Spring washer 8

GB 7244-87

2

82

Bolt M8×30

GB 5783-86

2

102

83

Driving shaft, auxiliary transmission

1204.37.122-1SZ

1

103

84

Driving gear, medium range

1204.37.126-1ASZ

11

104

85

Spacer, driving gear, auxiliary transmission

1204.37.135-1

1

105

86

Driving gear, R

1204.37.130SZ

1

106

87

Circlip, driving shaft, auxiliary

1204.37.137

1

107

transmission

108

88

Cone bearing 7310E

GB 297-84

1

109

No.

Part

Drawing No.

Qty.

No.

Part

Drawing No.

Qty.

110

Shift collar, I, II, III & IV

5127396/1.28.107

2

131

Tapping screw ST6.3×50

GB/T845-1985

6

111

Gear holder

5138222/1.28.108

2

132

Tapping screw ST6.3×22

GB/T845-1985

8

112

Driven gear, III

1204.37.112SZ

1

133

Pointer, flywheel

880002108

1

113

Driven gear, II

1204.37.110SZ

1

134

Pad, inspection cover

880002107

1

114

Driven gear, I

1204.37.108SZ

1

135

Inspection cover

8A0002106

1

115

Plain washer 8

GB 96-87

2

116

Mild steel wire TA-1.6×180

GB/T 343-1994

4

117

Inner drive link, auxiliary

1204-1.37.109

1

transmission

118

Spacer ring, spring

5132334/1.32.293

2

119

Return spring, control lever

5127962/1.29.106

4

120

Shifting block, control

1604-1.37.111

2

121

Pin 5×30

GB/T 879.1-2000

2

122

Inner drive link, main

1204-1.37.108

1

transmission

123

Clamp (Φ8～Φ19mm)

JK-000

2

124

Breather hose

5139650/1.21.074

1

125

Breather plug

5141476/1.21.076A

1

126

Auxiliary shift lever

SZ1204.37.201A

1

127

Main shift lever

SZ804.37.109A

1

128

Pressure plate, cover, shift

LG1304.37.176-1

2

lever

129

Cover, shift lever

LG1304.37.177-1

2

130

Bottom plate unit, cover, shift

LG1304.37.025-1

1

lever

No.

Part

Drawing No.

Qty.

No.

Part

Drawing No.

Qty.

1

Pressure limiting valve

1204.37.053

1

6

7

8

9

10

11

12

13

14

15

16

17

18

Transition oil pipe Oil outlet pipe Locating plate Bolt M8×12-Zn.D

O-ring 15×2.65 Rectangular gasket Screw plug

Oil pipe unit, oil cup

Pipe joint assembly, filler

Oil inlet connector, pressure limiting valve

Oil outlet pipe assembly Bolt M8×30-Zn.D

O-ring 14×2.65

1204.37.506

1204.37.508A

1204.37.507

GB 5783-86

GB 3452.1-82 10280060/14607

10182817/14262

1204.37.057

5103152/1.28.873

1204.37.503

1204-1.37.051

GB 5783-86

GB 3452.1-82

1

1

1

6

1

4

1

1

1

1

1

2

1

assembly

1.1

Seat, spring

1204.37.520

1

1.2

O-ring 20×2.65

GB 3452.1-82

1

1.3

Adjusting shim

1204.37.519 thickness 0.3

As

1204.37.518 thickness 0.1

needed

1.4

Spring, pressure relief

1204.37.517

1

valve

1.5

Steel ball 130000G100

GB 308-89

1

1.6

Casing, pressure

1204.37.516

1

limiting valve

2

Bolt M8×20-Zn.D

GB 5783-86

2

3

Washer 8

GB 93-87

10

4

Paper gasket

1204.37.505

1

5

O-ring 11.8×2.65

GB 3452.1-92

2