AVSPARE.COM
parts catalog

8D7870 DIFERENTIAL GROUP Serial No. 61M1454-Up Part of Differential and Bevel Gear shown on Page 84B 12G


POWER TRAIN
DIFFERENTIAL & BEVEL GEAR GP
CONTROL GP-DIFFERENTIAL LOCK
DRIVE GP-FINAL
VALVE GP
DRIVE GP-FINAL
TANDEM & COVER GP
CHAIN GP


POWER TRAIN

DIFFERENTIAL & BEVEL GEAR GP
 

#UEG0772S0130
 

8D-7870: DIFERENTIAL GROUP

8D7870 DIFERENTIAL GROUP
Serial No. 61M1454-Up
Part of Differential and Bevel Gear shown on Page 84B
c152053 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-9471 [1] GEAR (24 teeth)  
2. 8D-4064 [2] WASHER  
3. 8D-4528 [1] SPIDER  
4. 8D-4065 [4] WASHER  
5. 8D-4282 [1] DISC  
6. 8D-4042 [1] GEAR (63 teeth)  
7. 8D-7694 [1] HOUSING ASSEM.  
  2D-6642 [1] BALL  
8. 3D-6509 [2] DOWEL  
9. 7D-8225 [1] SEAL  
10. 8D-4291 [1] PISTON  
11. 7D-8226 [1] SEAL  
12. 8D-4236 [7] DISC  
13. 7D-8185 [8] DISC  
14. 8D-9472 [1] GEAR (24 teeth)  
15. [18] BOLT  
  4D-3704 [18] WASHER  
16. 8D-9460 [4] PINION ASSEM.  
17. 8D-4072 [1] BEARING  
18. 9D-8972 C [1] HOUSING ASSEM.  
19. 9F-2491 [8] BOLT  
  4S-9191 [8] WASHER  
20. 3D-6509 [6] DOWEL  
  C   INDICATES CHANGE
 

#UEG0772S0131
 

9D-2140: DIFFERENTIAL LOCK CONTROL GROUP

9D2140 DIFFERENTIAL LOCK CONTROL GROUP
Serial No. 61M1 to 61M2448 and 61M2473 to 61M2478 inclusive
2P7014 and 8D6813 Valve parts are shown on Page 88
c151913 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-7014 Y [1] VALVE GROUP  
    (Separate Illustration)
2. 5H-4778 [3] UNION  
3. 7D-3024 [1] HOSE ASSEM. 30.48 dm (126 in.)  
4. 4S-7563 [1] HOSE ASSEM. 7.49 dm (29.50 in.)  
5. 8D-6813 Y [1] VALVE GROUP  
    (Separate Illustration)
6. 0S-1594 [2] BOLT  
7. 3B-4506 [4] LOCKWASHER  
8. 2L-9038 [1] NUT  
  4B-4276 [1] WASHER  
9. 4S-5854 [1] SPRING  
10. 8D-4852 [1] PEDAL ASSEM.  
    (Includes)
  4F-3492 [1] DOWEL  
  1F-2697 [1] BEARING  
11. 8D-4872 [1] YOKE ASSEM.  
12. 4B-2605 [1] PIN  
  3B-4609 [1] COTTER PIN  
13. 3B-6768 [1] BUSHING  
14. 3L-6521 [1] TEE  
15. 4H-6147 [1] UNION  
16. 8D-4844 [1] BRACKET ASSEM.  
    (Includes)
17. 9F-4233 [2] BUSHING  
18. 6J-3335 [2] PIN  
  3B-4615 [2] COTTER PIN  
19. 8D-7564 [1] INSERT  
20. 4B-4278 [1] WASHER  
21. 8D-5099 [1] LEVER ASSEM.  
    (Includes)
22. 4H-0089 [2] BUSHING  
23. 8D-4977 [1] PIN  
24. 5M-8009 C [1] PIN  
25. 2G-0356 C [1] SPRING  
26. 3B-6553 [1] ELBOW  
27. 0L-2070 [2] BOLT  
28. 8M-4437 [3] SEAL  
29. 4D-6434 [1] CLIP  
30. 9M-8406 C [1] CLIP  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0132
 

9D-2140: DIFFERENTIAL LOCK CONTROL GROUP

9D2140 DIFFERENTIAL LOCK CONTROL GROUP
Serial No. 61M2449 to 61M2472 and 61M2479-Up
8D6813 and 6P8226 Valve parts are shown on Pages 88 and 88B
c156957 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6P-8226 YC [1] VALVE GROUP  
    (Separate Illustration)
2. 5H-4778 [3] UNION  
3. 7D-3024 [1] HOSE ASSEM. 30.48 dm (126 in.)  
4. 4S-7563 [1] HOSE ASSEM. 7.49 dm (29.50 in.)  
5. 8D-6813 Y [1] VALVE GROUP  
    (Separate Illustration)
6. 0S-1594 [2] BOLT  
7. 3B-4506 [4] LOCKWASHER  
8. 2L-9038 [1] NUT  
  4B-4276 [1] WASHER  
9. 4S-5854 [1] SPRING  
10. 8D-4852 [1] PEDAL ASSEM.  
    (Includes)
  4F-3492 [1] DOWEL  
  1F-2697 [1] BEARING  
11. 8D-4872 [1] YOKE ASSEM.  
12. 4B-2605 [1] PIN  
  3B-4609 [1] COTTER PIN  
13. 3B-6768 [1] BUSHING  
14. 3L-6521 [1] TEE  
15. 4H-6147 [1] UNION  
16. 8D-4844 [1] BRACKET ASSEM.  
    (Includes)
17. 9F-4233 [2] BUSHING  
18. 6J-3335 [2] PIN  
  3B-4615 [2] COTTER PIN  
19. 8D-7564 [1] INSERT  
20. 4B-4278 [1] WASHER  
21. 8D-5099 [1] LEVER ASSEM.  
    (Includes)
22. 4H-0089 [2] BUSHING  
23. 8D-4977 [1] PIN  
24. 5M-8009 [1] PIN  
25. 2G-0356 [1] SPRING  
26. 3B-6553 [1] ELBOW  
27. 0L-2070 [2] BOLT  
28. 8M-4438 C [3] SEAL  
29. 4D-6434 [1] CLIP  
30. 9M-8406 [1] CLIP  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0133
 

2P-7014: DIFFERENTIAL LOCK VALVE GROUP

2P7014 DIFFERENTIAL LOCK VALVE GROUP
Serial No. 61M1 to 61M2448 and 61M2473 to 61M2478 inclusive
Part of 9D2140 Differential Lock Control Group shown on Page 86B
c119794 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3P-2439 [1] COVER  
2. 8M-4438 [1] SEAL  
3. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
4. 3P-2440 [1] SPOOL  
5. 9S-9876 [1] SPRING  
6. 6H-0944 [1] COVER  
7. 8M-4988 [1] SEAL  
8. 1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
9. 5M-6213 [1] PLUG  
 

#UEG0772S0134
 

8D-6813: AIR CONTROL VALVE GROUP

8D6813 AIR CONTROL VALVE GROUP
Part of 9D2140 Differential Lock Control Group shown on Pages 86B and 87
c119582 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-5986 [1] BOOT  
2. 4J-8528 [1] NUT  
3. 2D-6392 [1] SEAL  
4. 9D-1289 [1] VALVE  
5. 8F-3469 [1] SEAL  
6. 7D-9949 [1] VALVE ASSEM.  
7. 1H-1023 [1] SEAL  
8. 5D-1246 [2] WASHER  
9. 2H-3923 [1] LOCKWASHER  
10. 4J-3957 [1] SPRING  
 

#UEG0772S0135
 

8D-4030: FINAL DRIVE GP

FINAL DRIVE (8D4030 N/S)
Serial No. 61M1 to 61M1094 inclusive
c200168 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3958 [2] SHAFT ASSEM.  
    (Each Includes)
2. 8D-3957 [1] WASHER  
3. 8D-3877 [2] GEAR (18 teeth)  
4. 8D-3591 [2] CARRIER  
5. 0S-0509 [16] BOLT  
  2S-0607 [8] LOCK  
  7D-0035 [8] PLATE  
6. 7D-7889 [2] GEAR (72 teeth)  
7. 2J-3506 [38] NUT  
  5H-1504 [38] WASHER  
8. 1P-4693 [4] CUP  
9. 1P-4694 [2] CONE  
10. 8D-3744 [2] SHAFT  
11. 1D-4720 [36] NUT  
  3B-4510 [36] LOCKWASHER  
12. 4D-6695 [2] SEAL  
13. 8D-3902 [2] SEAL  
14. 8D-3743 [4] SPROCKET  
15. 0S-1591 [10] BOLT  
  0L-0364 [10] LOCK  
16. 8D-3540 [2] NUT  
17. 1H-9696 [2] SEAL  
18. 8D-8159 [2] RETAINER  
19. 2M-8714 [2] CONE  
20. 0S-1566 [32] BOLT  
21. 7D-0027 [2] RETAINER  
22. 8D-3918 [12] WASHER  
23. 8D-3777 [2] HOUSING  
24. 8D-3949 [4] RING  
25. 2M-1309 [2] SEAL  
26. 8D-3626 [2] HOUSING  
27. 7S-4571 [2] SEAL  
28. 0S-1594 [12] BOLT  
  1A-5823 [6] LOCK  
29. 7D-0028 [6] RETAINER  
30. 7D-8346 [6] GEAR (26 teeth)  
31. 1S-9110 [12] BEARING  
32. 7D-0026 [6] SHAFT  
33. 8D-3885 [2] WASHER  
34. 8D-9076 [12] WASHER  
35. 8D-3886 [2] RING  
 

#UEG0772S0136
 

6P-8226: VALVE GROUP

6P8226 VALVE GROUP
Serial No. 61M2449 to 61M2472 and 61M2479-Up
Part of 9D2140 Differential Lock Control Group shown on Page 87
c156424 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [1] PLUG  
2. 3P-2439 [1] COVER  
3. 8M-4438 [1] SEAL  
4. 3P-2440 [1] SPOOL  
5. 9S-4191 [1] PLUG  
  3J-1907 [1] SEAL  
6. 9S-9876 [1] SPRING  
7. 6H-0944 [1] COVER  
8. 1A-2029 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
9. 8M-4988 [2] SEAL  
 

#UEG0772S0137
 

8D-4030: FINAL DRIVE GP

8D4030 FINAL DRIVE GROUP
Serial No. 61M1095-Up
c209640 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3958 [2] SHAFT ASSEM.  
    (Each Includes)
2. 8D-3957 [1] WASHER  
3. 8D-3877 [2] GEAR (18 teeth)  
4. 8D-3591 [2] CARRIER  
5. 0S-0509 [16] BOLT  
  2S-0607 [8] LOCK  
  7D-0035 [8] PLATE  
6. 7D-7889 [2] GEAR (72 teeth)  
7. 2J-3506 [38] NUT  
  2S-0115 C [38] WASHER  
8. 1P-4693 [4] CUP  
9. 1P-4694 [2] CONE  
10. 8D-3744 [2] SHAFT  
11. 4K-0367 C [36] NUT  
12. 4D-6695 [2] SEAL  
13. 8D-3902 [2] SEAL  
14. 8D-3743 [4] SPROCKET  
15. 0S-1591 [10] BOLT  
  0L-0364 [10] LOCK  
16. 8D-3540 [2] NUT  
17. 1H-9696 [2] SEAL  
18. 8D-8159 [2] RETAINER  
19. 5P-3490 C [2] CONE  
20. 8S-9092 C [32] BOLT  
21. 7D-0027 [2] RETAINER  
22. 9D-9968 C [12] WASHER  
23. 8D-3777 [2] HOUSING  
24. 8D-3949 [4] RING  
25. 2G-5977 C [2] SEAL  
26. 9D-8772 C [2] HOUSING  
27. 7S-4571 [2] SEAL  
28. 0S-1594 [12] BOLT  
  1A-5823 [6] LOCK  
29. 7D-0028 [6] RETAINER  
30. 7D-8346 [6] GEAR (26 teeth)  
31. 1S-9110 [12] BEARING  
32. 7D-0026 [6] SHAFT  
33. 8D-3885 [2] WASHER  
34. 8D-9076 [12] WASHER  
35. 8D-3886 [2] RING  
36. 4D-3704 C [68] WASHER  
  C   INDICATES CHANGE
 

#UEG0772S0138
 

7D-8280: COVER & TANDEM GP

COVERS AND TANDEM (7D8280 N/S)
c202572 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3415 [1] HOUSING ASSEM. (R.H.)  
    (Includes)
2. 9S-1398 [4] STUD  
3. 0S-0468 [18] STUD  
4. 7D-8266 [20] STUD  
5. 9D-0566 [1] PLATE  
6. 9D-0565 [1] STEP  
7. 8D-3414 [1] HOUSING ASSEM. (L.H.)  
    (Includes)
8. 9S-1398 [4] STUD  
9. 0S-0468 [18] STUD  
10. 7D-8266 [20] STUD  
11. 9D-0566 [1] PLATE  
12. 9D-0565 [1] STEP  
13. 5K-8454 C [32] BOLT  
14. 3B-4508 [48] LOCKWASHER  
15. 7D-6567 [2] COVER  
16. 3D-2981 [4] GASKET  
17. 2B-3148 [8] COVER  
  2B-3147 [8] GASKET  
18. 6K-7917 [16] BOLT  
19. 7D-9273 [2] COVER  
  7D-9272 [2] GASKET  
20. 7D-6568 [2] COVER ASSEM.  
    (Includes)
21. 4F-0440 [1] NIPPLE  
22. 7D-9419 [2] PLUNGER ASSEM.  
    (Includes)
  6D-9677 [1] FILTER  
  6D-9679 [1] NUT  
23. 1B-5174 [2] PLUG  
  C   INDICATES CHANGE
 

#UEG0772S0139
 

7D-8370: CHAIN GROUP

7D8370 CHAIN GROUP
c200108 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2D-3397 [4] CHAIN  
    (Includes)
2. 5B-6379 [25] LINK  
3. 5B-6401 [24] LINK (connector)  
4. 5B-6390 [1] LINK (master)  
 

Information:

Special Instruction
Transmission And Differential Modifications To Increase Rim Pull{3150, 2358}
Transmission And Differential Modifications To Increase Rim Pull{3150, 2358}
Installation Of Differential Lock Control Groups{3273}
Installation Of Differential Lock Control Groups{3273}
Service Letter-NACD
Product Support Program For Tightening The Mounting Nuts That Hold The Final Drive To The Differential Case On Certain 12G, 14G, 16G, 120G, And 140G Motor Graders
Product Support Program For Tightening The Mounting Nuts That Hold The Final Drive To The Differential Case On Certain 12G, 14G, 16G, 120G, And 140G Motor Graders
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-Brazil
Specifications
Control Valve For Differential Lock<BR> (8D6813)
12G & 14G MOTOR GRADERS AIR SYSTEM AND BRAKES
Differential Lock Valve<BR> (2P7014)
12G & 14G MOTOR GRADERS AIR SYSTEM AND BRAKES
8D9895 Differential And Bevel Gear<BR> (Optional on 120G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
9D3485, 2G5885 Bevel Gear Groups<BR> (130G and 140G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
9D3340 Bevel Gear Group<BR> (120G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential Lock Solenoid Valve<BR> 9W0706 (12G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential And Bevel Gear<BR> 2G6010 (12G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Bevel Gear Group<BR> 2G5885 (130G, 140G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Bevel Gear Group
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Tool Operating Manual
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
226-2380 Adjustable C-Hook Extension{0374, 0599, 0632, 0727, 1122, 3258, 4050, 4084, 4208, 7561}
Service Letter-China
Product Support Program For Tightening The Mounting Nuts That Hold The Final Drive To The Differential Case On Certain 12G, 14G, 16G, 120G, And 140G Motor Graders
Product Support Program For Tightening The Mounting Nuts That Hold The Final Drive To The Differential Case On Certain 12G, 14G, 16G, 120G, And 140G Motor Graders
Service Letter-Asia
Reuse And Salvage Guidelines
Differential Housing Components for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, Integrated Toolcarriers, and Motor Graders {3258, 3284}
Differential Housing Components for Wheel Loaders, Articulated Trucks, Wheel Tractors, Compactors, Integrated Toolcarriers, and Motor Graders {3258, 3284}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Torque Converter, Divider, Drive Line, and Drive Axle Reuse and Salvage Manual Contents {0374, 3000, 3050, 3100, 3250, 3251, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Contamination Control Guidelines
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Procedure for Filtering Final Drives, Rear Axles, and Differentials on Caterpillar Machines {0680, 0768, 3258, 3260, 4050}
Service Letter-APD
Product Support Program For Tightening The Mounting Nuts That Hold The Final Drive To The Differential Case On Certain 12G, 14G, 16G, 120G, And 140G Motor Graders
Product Support Program For Tightening The Mounting Nuts That Hold The Final Drive To The Differential Case On Certain 12G, 14G, 16G, 120G, And 140G Motor Graders
Disassembly and Assembly
Differential
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential (Unlocking)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential (Direct Drive)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential (120G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential (Unlocking) (120G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential (Direct Drive) (120G)
12G, 120G, 130G & 140G MOTOR GRADERS POWER TRAIN
Differential Lock Actuator Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS
Differential Lock Actuator Valve
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Differential Lock Control Valve
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Differential
12G, 130G & 140G MOTOR GRADER POWER TRAIN
Differential (Unlocking)
12G, 130G & 140G MOTOR GRADER POWER TRAIN
Differential (Direct Drive)
12G, 130G & 140G MOTOR GRADER POWER TRAIN
Service Magazine

Caterpillar Parts SIS Catalog 12G :

Truck sale:

 
Caterpillar 12G
- motor graders
MILTON CAT
52,000 
Caterpillar 12G, Construction
- motor graders
ALTORFER INC.
86.058 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
- motor graders
SIME DARBY INDUSTRIAL SDN BHD
Malaysia
Back to top
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.