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TANDEM DRIVE (7D7620 N/S) Serial No. 10R2915 to 3138, 3140 to 3144 and 10R3162 inclusive and 22R983 to 22R997 inclusive 120




POWER TRAIN

DRIVE GP
 

#UEG0726S0110
 

7D-7620: TANDEM DRIVE

TANDEM DRIVE (7D7620 N/S)
Serial No. 10R2915 to 3138, 3140 to 3144 and 10R3162 inclusive and 22R983 to 22R997 inclusive
c142588 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-3397 [4] CHAIN  
  5B-6401 [24] LINK (CONNECTING)  
  5B-6379 [25] LINK  
  5B-6390 [1] LINK (MASTER)  
  4D-4035 [40] SHIM  
  2B-3184 [4] CONE  
  1B-3931 [4] CUP  
  7D-6219 [2] CAGE  
  4D-6576 [30] STUD  
  1D-4719 [30] NUT  
  3B-4508 [30] LOCKWASHER  
  1D-4720 [40] NUT  
  3B-4510 [40] LOCKWASHER  
  3D-9932 [4] CAGE  
  8F-5900 [4] SEAL  
  8F-8733 [4] SEAL  
  3F-0011 [4] DOWEL  
  5D-3252 [4] RING  
  8F-5900 [4] SEAL  
  0S-0468 [40] STUD  
    (20 IN EACH 6D9732 ASSEM.)
  1D-4720 [40] NUT  
  3B-4510 [40] LOCKWASHER  
  4B-9508 [4] RING  
  4B-2732 [4] GASKET  
  4B-2733 [4] RETAINER  
  4D-6236 [4] CAGE  
  4D-3848 [4] CONE  
  1B-3931 [4] CUP  
  5D-0505 [4] SEAL  
  7D-6546 [4] SPINDLE  
  6D-2403 [4] WASHER  
  1M-2069 [4] NUT  
  8F-8049 [4] LOCK  
  2B-3148 [8] COVER  
  2B-3147 [8] GASKET  
  0S-1621 [32] BOLT  
  3B-4508 C [32] LOCKWASHER  
  7D-7427 [4] SPROCKET  
  0S-0468 [36] STUD  
    (18 IN EACH HOUSING ASSEM. 6D9732)
  1D-4720 [36] NUT  
  3B-4510 [36] LOCKWASHER  
  3D-5457 [2] CAGE  
  5B-5295 [4] GASKET  
  7D-7259 [2] BEARING  
  7D-6531 [2] SPACER  
  3D-5456 [2] COVER  
  9D-0312 C [20] BOLT  
  3D-7438 [2] RING ASSEM.  
  7D-7427 [4] SPROCKET  
  8F-6528 [4] BOLT  
  0L-1147 [8] GASKET  
  1B-4443 [12] NUT  
  [12] COTTER PIN  
  6D-9732 [2] HOUSING ASSEM.  
  7D-6567 [2] COVER  
  3D-2981 [2] GASKET  
  1B-5174 [2] PLUG  
  7D-0470 C [2] PLUNGER ASSEM.  
  6D-9677 [2] FILTER  
  6D-9679 [2] NUT  
    (1 each in 7D470 Assem.)
  5D-6750 [2] CAGE  
  8S-9089 C [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1749 [40] STUD  
    (20 in 6D9732 Assem.)
  0T-0217 [4] KEY  
  7D-6568 [2] COVER ASSEM.  
  4F-0440 [2] NIPPLE  
    (1 IN EACH COVER ASSEM. 5D8201)
  3D-2981 [2] GASKET  
  C   INDICATES CHANGE
 

#UEG0726S0111
 

7D-7620: TANDEM DRIVE

TANDEM DRIVE (7D7620 N/S)
Serial No. 10R3139, 3145 to 3161 and 10R3163-Up and 22R998-Up
c118184 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-3397 [4] CHAIN  
  5B-6401 [24] LINK (CONNECTING)  
  5B-6379 [25] LINK  
  5B-6390 [1] LINK (MASTER)  
  4D-4035 [40] SHIM  
  2B-3184 [4] CONE  
  1B-3931 [4] CUP  
  7D-6219 [2] CAGE  
  4D-6576 [30] STUD  
  1D-4719 [30] NUT  
  3B-4508 [30] LOCKWASHER  
  1D-4720 [40] NUT  
  3B-4510 [40] LOCKWASHER  
  3D-9932 [4] CAGE  
  8F-5900 [4] SEAL  
  8F-8733 [4] SEAL  
  3F-0011 [4] DOWEL  
  5D-3252 [4] RING  
  8F-5900 [4] SEAL  
  0S-0468 [40] STUD  
    (20 IN EACH 6D9732 ASSEM.)
  1D-4720 [40] NUT  
  3B-4510 [40] LOCKWASHER  
  4B-9508 [4] RING  
  4B-2732 [4] GASKET  
  4B-2733 [4] RETAINER  
  4D-6236 [4] CAGE  
  4D-3848 [4] CONE  
  1B-3931 [4] CUP  
  5D-0505 [4] SEAL  
  9D-2716 C [4] SPINDLE  
  6D-2403 [4] WASHER  
  1M-2069 [4] NUT  
  8F-8049 [4] LOCK  
  2B-3148 [8] COVER  
  2B-3147 [8] GASKET  
  0S-1621 [32] BOLT  
  3B-4508 [32] LOCKWASHER  
  7D-7427 [4] SPROCKET  
  0S-0468 [36] STUD  
    (18 IN EACH HOUSING ASSEM. 6D9732)
  1D-4720 [36] NUT  
  3B-4510 [36] LOCKWASHER  
  3D-5457 [2] CAGE  
  5B-5295 [4] GASKET  
  7D-7259 [2] BEARING  
  7D-6531 [2] SPACER  
  3D-5456 [2] COVER  
  9D-0312 [20] BOLT  
  3D-7438 [2] RING ASSEM.  
  7D-7427 [4] SPROCKET  
  8F-6528 [4] BOLT  
  0L-1147 [8] GASKET  
  1B-4443 [12] NUT  
  [12] COTTER PIN  
  6D-9732 [2] HOUSING ASSEM.  
  7D-6567 [2] COVER  
  3D-2981 [2] GASKET  
  1B-5174 [2] PLUG  
  7D-0470 [2] PLUNGER ASSEM.  
  6D-9677 [2] FILTER  
  6D-9679 [2] NUT  
    (1 each in 7D470 Assem.)
  5D-6750 [2] CAGE  
  8S-9089 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0S-1749 [40] STUD  
    (20 in 6D9732 Assem.)
  9D-2717 C [4] KEY  
  7D-6568 [2] COVER ASSEM.  
  4F-0440 [2] NIPPLE  
    (1 IN EACH COVER ASSEM. 5D8201)
  3D-2981 [2] GASKET  
  C   INDICATES CHANGE
 

#UEG0726S0112
 

2D-9600: MASTER CYLINDER ASSEMBLY

2D9600 MASTER CYLINDER ASSEMBLY
Part of Hydraulic Brake Control
c109691 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2D-9594 [1] BODY  
  1F-4652 [1] CUP  
    (PART OF ASSEM. 5B3223)
  5B-3225 [1] PLATE  
  5B-3226 H [1] WIRE  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  5D-8755 [1] MASTER CYLINDER KIT  
    (Consists of Parts Marked H)
  5B-3227 H [1] BOOT  
  3D-2306 [1] ROD ASSEM.  
  5B-3223 H [1] PISTON ASSEM.  
  9B-1544 [1] CAP ASSEM.  
  9B-1545 [1] GASKET  
  3H-5454 H [1] VALVE ASSEM.  
  5B-3219 H [1] SPRING ASSEM.  
  5B-3222 H [1] CUP  
 

#UEG0726S0113
 

6D-2480: HYDRAULIC BRAKE CONTROL

HYDRAULIC BRAKE CONTROL (6D2480 N/S)
Serial No. 10R2882 to 10R2914 inclusive and 22R980 to 22R982 inclusive
c138082 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5D-3376 [1] TUBE ASSEM.  
    (LEFT HAND)
  8M-2772 [1] CLIP  
  5D-3374 [1] TUBE ASSEM.  
    (RIGHT HAND)
  4B-8756 [4] NUT  
    (2 IN EACH ASSEM. 5D3374 & 5D3376)
  7F-5055 [2] BRACKET  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1B-9982 [2] NUT  
  4B-7054 [2] LOCK  
  4B-8756 [2] NUT  
    (1 IN EACH ASSEM 6D9566 & 6D9565)
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9S-1350 C [2] CLIP  
  0S-1617 [2] BOLT  
  3B-4505 [2] LOCKWASHER  
  3H-3920 [2] TEE ASSEM.  
  4B-8720 [2] PLUG  
  9S-1310 C [6] CLIP  
  6D-9566 [1] TUBE ASSEM. (R.H.)  
  6D-9565 [1] TUBE ASSEM. (L.H.)  
  2D-7805 [2] ARMOR  
    (1 IN EACH ASSEM. 6D9566 & 6D9565)
  5D-8352 [2] NUT  
    (1 IN EACH ASSEM. 6D9566 & 6D9565)
  4D-8122 [1] TEE  
  3L-9689 [1] WASHER  
  0S-1591 [1] BOLT  
  3B-4506 [1] LOCKWASHER  
  7D-6281 C [1] TUBE ASSEM.  
  4B-8774 [2] NUT  
    (PART OF ASSEM. 7D6281)
  2D-9600 Y [1] CYLINDER ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  5B-3254 [1] NUT  
  2D-8718 [1] ROD  
  0S-0175 [1] PIN  
  3B-4617 [1] COTTER PIN  
  5K-6438 C [2] CLIP  
  5B-0494 C [2] GROMMET  
  0S-0509 C [2] BOLT  
  3B-4506 C [2] LOCKWASHER  
  4B-0418 [1] CLIP  
  5B-0494 [1] GROMMET  
  0S-0509 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  4B-8761 [2] HOSE ASSEM.  
  0T-0065 [2] BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  3B-1915 [4] BOLT  
  1D-4717 [4] NUT  
  3B-4506 [4] LOCKWASHER  
  2D-9608 [1] CONNECTOR  
  5H-3703 [1] GASKET  
  4H-6143 [1] BOLT  
  4H-6145 [1] GASKET  
  5M-6214 [1] PLUG  
  2D-8820 [1] BRACKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0114
 

7D-6350: HYDRAULIC BRAKE CONTROL

HYDRAULIC BRAKE CONTROL (7D6350 N/S)--Part 1 of 2
Serial No. 10R2915-Up and 22R983-Up
7D5649 Cylinder parts are shown on Page 76
c138087 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-1310 [6] CLIP  
2. 6D-9566 [2] TUBE ASSEM.  
3. 5D-8352 [1] NUT  
4. 2D-7805 [1] ARMOR  
5. 4B-8756 [1] NUT  
6. 0S-1617 [1] BOLT  
7. 3B-4505 C [1] LOCKWASHER  
8. 3H-3920 [1] TEE ASSEM.  
9. 4B-8761 [1] HOSE ASSEM. (15.94" long overall)  
10. 7F-5055 [1] BRACKET  
  0L-1351 [2] BOLT  
  1B-9982 [1] NUT  
  4B-7054 [1] LOCKNUT  
11. 3B-4506 C [5] LOCKWASHER  
12. 5D-3376 [1] TUBE ASSEM.  
13. 4B-8756 [2] NUT  
14. 8M-2772 [1] CLIP  
15. 9S-1350 [2] CLIP  
16. 0S-0509 [2] BOLT  
17. 4B-3388 [4] BOLT  
18. 1P-4574 C [2] FLANGE  
  5F-7054 [1] SEAL  
19. 0S-0175 [1] PIN  
  3B-4617 [1] COTTER PIN  
20. 0T-0320 [4] BOLT  
  3B-4507 [4] LOCKWASHER  
21. 7D-5649 Y [1] CYLINDER ASSEM.  
    (See Separate Illustration)
22. 1P-4576 C [2] FLANGE  
  5F-1678 [1] SEAL  
23. 1A-2029 [4] BOLT  
24. 5F-6916 [2] CLAMP  
25. 1B-0581 [2] BOLT  
  1B-4202 [2] NUT  
26. 2D-0117 [1] ELBOW  
27. 4D-6124 [1] HOSE ASSEM. (30.50" long overall)  
28. 4D-6123 [1] HOSE ASSEM. (26.50" long overall)  
29. 0L-2070 [1] BOLT  
  1B-5964 [1] SPACER  
  1D-4717 [1] NUT  
30. 1H-3481 [1] CLAMP  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0115
 

7D-6350: HYDRAULIC BRAKE CONTROL

HYDRAULIC BRAKE CONTROL (7D6350 N/S)--Part 2 of 2
Serial No. 10R2915-Up and 22R983-Up
c138088 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-1310 [6] CLIP  
2. 6D-9565 [2] TUBE ASSEM.  
3. 5D-8352 [1] NUT  
4. 2D-7805 [1] ARMOR  
5. 4B-8756 [1] NUT  
6. 0S-1617 [1] BOLT  
7. 3B-4505 [1] LOCKWASHER  
8. 3H-3920 [1] TEE ASSEM.  
9. 0S-0509 [4] BOLT  
10. 3B-4506 [7] LOCKWASHER  
11. 9S-1350 [2] CLIP  
12. 4D-8122 [1] TEE  
13. 4B-8761 [1] HOSE ASSEM. (15.94" long overall)  
14. 7F-5055 [1] BRACKET  
15. 0L-1351 [2] BOLT  
  1B-9982 [1] NUT  
  4B-7054 [1] LOCKNUT  
16. 5D-3374 [1] TUBE ASSEM.  
  4B-8756 [2] NUT  
17. 0S-1591 [1] BOLT  
  3L-9689 [1] WASHER  
18. 4B-0418 [1] CLIP  
19. 7D-0530 [1] TUBE ASSEM.  
20. 4B-8774 [2] NUT  
21. 5K-6438 C [2] CLIP  
22. 2D-9608 [1] CONNECTOR  
  5H-3703 [1] GASKET  
23. 4H-6143 [1] BOLT  
  4H-6145 [1] GASKET  
24. 5M-6214 [1] PLUG  
25. 9F-2247 [1] PLUG  
26. 5B-0494 C [3] GROMMET  
  C   INDICATES CHANGE
 

#UEG0726S0116
 

7D-5649: CYLINDER AS-POWER MASTER

7D5649 POWER CYLINDER ASSEMBLY
Part of Hydraulic Brake Control shown on Page 74
c129797 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3D-2503 [1] YOKE  
  1B-4430 [1] NUT  
  6D-0689 Y [1] CYLINDER ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  7D-5648 Y [1] CYLINDER ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  4B-8995 [1] PLUG  
  4B-8994 [1] GASKET  
  0S-1588 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  Y   SEPARATE ILLUSTRATION
 

#UEG0726S0117
 

7D-5648: CYLINDER AS-MASTER

7D5648 MASTER CYLINDER ASSEMBLY
Part of 7D5649 Master Cylinder Assembly
c136777 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-8987 [1] PLUG  
  4D-0761 [1] MASTER CYLINDER REBUILD KIT  
    (CONSISTS OF ALL PARTS MARKED H)
  1K-6519 H [1] GASKET  
  3D-8307 [1] SPRING  
  4D-0527 [1] RETAINER  
  4D-0522 H [1] CUP  
  3K-9879 H [1] RING  
  6D-7128 H [1] SEAL  
  3D-8313 H [1] PACKING  
    (PARTS OF PISTON ASSEM.4D532)
  4D-0534 [1] PISTON ASSEM.  
    CONSISTING OF:
  6B-7220 H [1] CUP  
  4D-0533 [1] PISTON  
  4D-0532 [1] PISTON ASSEM.  
  3D-8314 H [1] VALVE ASSEM.  
    (PART OF PISTON ASSEM.4D532)
  3D-8323 H [1] VALVE ASSEM.  
  3D-8317 H [1] RING  
  3D-8316 H [1] RETAINER  
  3D-8315 H [1] SPRING  
    (PARTS OF PISTON ASSEM.4D532)
 

#UEG0726S0118
 

6D-0689: CYLINDER AS-POWER

6D689 POWER CYLINDER ASSEMBLY
Part of 7D5649 Power Cylinder Assembly
c78898 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3D-8353 [1] VALVE  
  2H-3933 H [1] SEAL  
  6H-3977 H [1] SEAL  
  3D-8341 [1] RING  
  3D-8336 H [1] BOOT  
  [1] ROD  
  3D-8338 H [2] WASHER  
  3D-8339 H [2] PACKING  
  3D-8342 [1] COVER  
  6D-1001 [1] PISTON  
  [1] CYLINDER  
  3D-9117 [1] POWER CYLINDER REBUILD KIT  
    (NOT PART OF POWER CYLINDER ASSEM. 6D689-CONSISTS OF ALL PARTS MARKED H)
  4D-0528 [1] SPRING  
  3D-8355 H [1] GASKET  
  3D-8356 [1] RETAINER  
  6D-1002 [1] SPRING  
  3D-8345 [1] CONNECTOR  
  3D-8349 H [1] PACKING  
  3D-8351 H [1] RING  
  6D-0999 [1] VALVE  
  3D-8346 H [1] RING  
  3D-8352 H [1] RING  
  3D-8350 H [1] WASHER  
  3D-8357 [2] STRAINER  
  3F-3683 H [1] FILTER  
  3D-8358 H [1] RING  
  6D-1003 [1] SPRING  
  3D-8347 [1] RETAINER  
 

#UEG0726S0119
 

5D-8680: HYDRAULIC BRAKE

HYDRAULIC BRAKE (5D8680 N/S)
Serial No. 10R2882 to 10R2914 inclusive and 22R980 to
22R982 inclusive
c95600 UEG0726S
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Parts for your 120 MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5D-8645 [1] BRAKE ASSEM. (Right Hand)  
  5D-8646 Y [1] BRAKE ASSEM. (Left Hand)  
    (See Separate Illustration)
2. 2D-1345 [2] DRUM  
3. 1A-8537 [16] BOLT  
  3B-4510 [16] LOCKWASHER  
4. 4D-1726 [36] BOLT  
  4D-6433 [36] WASHER  
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Tandem Drive Housing And Wheels
NO. 120 & NO. 140 MOTOR GRADERS POWER TRAIN
Tandem Drive Housing And Wheels
NO. 120 & NO. 140 MOTOR GRADERS (POWER SHIFT TRANSMISSION)
Flexible Drive Coupling
3306 VEHICULAR ENGINE
Flexible Coupling Drive
3306 VEHICULAR ENGINE
Tool Operating Manual
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
Disassembly and Assembly
Drive Chains
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Tandem Drive Housings
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Drive Sprockets
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Tandem Drive Housings, Axles And Axle Housings
NO. 120 & NO. 140 MOTOR GRADER POWER TRAIN
Service Magazine

Caterpillar Parts SIS Catalog 120 :

Truck sale:

250,000 
Caterpillar 120 LVR, motor graders, Construction
- motor graders
RING POWER CORP.
250,000 
Caterpillar 120 LVR, motor graders, Construction
- motor graders
RING POWER CORP.
278,720 
Caterpillar 120, motor graders, Construction
- motor graders
FINANZAUTO S.A.
250,000 
Caterpillar 120 LVR, motor graders, Construction
- motor graders
RING POWER CORP.
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