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63
4. Specifications and distributions of oil seals in JM series tractors' chassis
Parts
Specifications
positions
Qt
y.
JB2600-80
Oil seal
×
×
PD35
55
8
×
×
SD35
55
10
×
×
PD50
72
12
×
×
PD50
80
12
×
×
PD55
75
12
Front end of 1st shaft
Inside bearing cover of PTO shaft
Outer of driving shaft bushing
Outer of bearing seat of final transmission
shaft
Inner side of driving shaft bushing
1
1
4
4
2
GB3452.1-82
O-ring
×
11.8
1.8
×
15
2.65
×
15
2.65
×
22.4
2.65
×
28
3.55
×
67
3.55
×
103
3.55
×
112
3.55
PTO shifting fork shaft
Sub-transmission shifting lever
Shifting fork shaft of differential lock
Outer of reverse shaft
Driving gear shaft of final transmission
Front bearing seat of 2nd shaft
Out ring of bearing seat
Inner of driving shaft bushing
1
2
1
1
2
1
2
2
GB3452.1-82
O-ring
×
9.5
2.65
×
10
2.65
×
11.2
2.65
Creeper shifting fork shaft
Power shifting fork shaft of transfer box
Creeper shifting lever
1
1
2
JB2600-80
Oil seal
GB9877.1
×
×
SG25
40
8
×
×
FB25
47
7
Oil seal seat of transfer box
Oil seal seat of Agracat-254 transfer box
2
1
GB3452.1-82
O-ring
×
15
2.65
×
58
3.55
×
54.5
3.55
Idle shaft
Oil seal seat of transfer box
Front fixing seat
1
1
1
JB2600-80
Oil seal
GB3452.1-82
O-ring
×
×
SD35
55
12
×
19
2.65
Support frame of release bearing seat
Main clutch shaft
1
2
GB3452.1-82
O-ring
×
15
2.65
Brake camshaft
2
Transmission
box
Creeper
Transfer box
Dual stage clutch
Brake
64
Parts
Specifications
positions
Qt
y.
Non-standard
oil seal of
standing shaft
Non-standard
oil seal of
standing shaft
×
×
40
48
6.5
×
×
38
62
11.5
Lower part of steering kunckle of front axle
Inner end of front wheel hub
2
2
GB3452.1-82
O-ring
×
30
3.55
Upper part of
left end right steering
kunckle
Two ends of pendulum shaft
2
2
JB2600-80
Oil seal
×
×
SD35
56
12
×
×
W50
72
7
×
×
W50
72
7
×
×
W50
72
12
×
×
W50
72
12
Bearing seat of driving bevel gear
Left,right side reduction housing
Driving shaft
Left, right side reduction housing
Driving shaft
2
2
2
2
2
GB3452.1-82
O-ring
×
21.2
3.55
×
28
3.55
×
34.5
3.55
×
63
3.55
×
69
3.55
×
77.5
3.55
×
82.5
3.55
Driving bevel gear
Inner of front pendulum shaft
Upper bearing cover
Middle of front pendulum shaft
Back support seat assy
Inner of bearing seat of driving bevel gear
Middle of bearing seat of driving bevel gear
1
1
2
1
1
1
1
JB2600-80
Oil seal
×
×
PD30
45
8
Outer of steering rock arm shaft
1
GB3452.1-82
O-ring
×
11.8
2.65
Adjusting bolt
1
GB3452.1-82
O-ring
×
31.5
3.55
outside of fuel delivery flange
1
Front axle
Front drive axle
Steering
gear
Fuel tank
65
5. Sizes of hitch system
Note:* are adjustable sizes
Parts
Specifications
positions
Qty.
Lifte
r
JB2600-80
Oil seal
×
×
SG42
62
10
Outside of lift shaft
2
GB3452.1-82
O-ring
×
9
1.8
×
13.2
2.65
×
13.2
2.65
×
17
2.65
×
19
2.65
Inside of oil drain plug
Joint of distributor and lifter
Outside of pressing screw plug of
lifter
Adjusting valve spool rod
Joint of distributor and lifter
1
2
1
1
1
GB3452.1-82
O-ring
×
63
5.7
×
63
5.7
Outside of piston
Inside of cylinder head
1
1
GB3452.1-82
O-ring
×
9
2.65
×
9
2.65
×
15
2.65
Safety valve seat
Inside of distributor handle shaft
Lower of pressing screw plug of distributor
1
1
1
Model
Parameter
JM200
JM204
JM250,
JM254
H
690
705
702
702
H
1
200
146
180
180
h
470
470
495
495
R
497.5
497.5
525
525
R
1
545
600
625
625
R
*
2
478
533
558
558
R
3
250
268.5
280
280
R
*
4
446
453
475
475
R
5
130
190
196
196
B
520
546
718
718
δ
°
16
°
13.5
°
10.5
°
10.5
66
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