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8J6312 PUMP CONTROL HEAD GROUP Part of 8J498 Slipper Pump Group shown on Pages 168, 169A and 169C 8J6103 and 8J6316 Valve parts are shown on Page 170 12G


HYDRAULIC SYSTEM
PUMP GP
VALVE GP
PUMP GP
OPERATOR STATION
CONTROL GP-HYDRAULIC

MOTOR GRADER 12G MOTOR GRADER 61M
 12G MOTOR GRADER 61M00001-02628 (MACHINE) UEG0772S 12G 61M   (1973)

HYDRAULIC SYSTEM

PUMP GP
PUMP AND MOUNTING GROUP
8D-7390 PUMP AND MOUNTING GROUP
PUMP GP-PISTON & GEAR
8J-6155 PUMP GP-PISTON & GEAR
HEAD GP-PUMP CONTROL
8J-6312 HEAD GP-PUMP CONTROL
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
SERVO VALVE GROUP
8J-6316 SERVO VALVE GROUP
 

#UEG0772S0310
 

8J-6312: HEAD GP-PUMP CONTROL

8J6312 PUMP CONTROL HEAD GROUP
Part of 8J498 Slipper Pump Group shown on Pages 168, 169A and 169C
8J6103 and 8J6316 Valve parts are shown on Page 170
c158878 UEG0772S
8J6312 HEAD GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-0415 [1] HEAD  
2. 9S-8002 [5] PLUG  
  3J-7354 [5] SEAL  
3. 2D-0598 [2] SEAL  
4. 8J-6066 [1] COVER  
5. 1B-2790 [2] BOLT  
6. 3B-4505 [3] LOCKWASHER  
7. 8J-0476 [1] COVER  
8. 8J-6230 C [1] SPACER  
9. 2K-8198 [1] SEAL  
10. 4J-2506 [1] SEAL  
11. 9S-8001 [3] PLUG  
  4J-7533 [3] SEAL  
12. 8J-6023 [1] STEM  
13. 8J-0475 [1] HOUSING  
14. 1D-4541 [1] BOLT  
15. 8J-6325 [1] SPRING  
16. 4D-9986 [1] SEAL  
17. 8J-6231 [4] RETAINER  
18. 8J-1541 [1] COVER  
  8H-3127 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
19. 8J-5593 [1] PISTON  
20. 4M-8303 [1] SEAL  
21. 8J-6103 Y [1] VALVE GROUP  
    (Separate Illustration)
22. 8J-6314 [1] CUP  
23. 8J-8725 [7] SEAL  
24. 8J-5472 [7] RING  
25. 8J-6316 Y [1] VALVE GROUP  
    (Separate Illustration)
26. 8J-2028 [1] SPACER  
27. 8J-6305 [1] SPRING  
28. 8J-6306 [1] SPRING  
29. 8J-6303 [1] SEAT  
30. 8J-5842 [1] PISTON  
31. 8J-8462 [2] SHIM  
32. 6F-8205 [3] WASHER  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0311
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 1 of 2--Type 1
Part of 8J6155 Slipper and Gear Piston Pump Group shown on Page 166
8J6312 Pump Head parts are shown on Page 167
c200158 UEG0772S
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. Y [1] HEAD GROUP  
    (Separate Illustration)
2. 2H-1190 [3] DOWEL  
3. 9F-2083 [2] DOWEL  
4. 008-3214 [2] RING  
5. 2P-9703 [1] PLATE (warning)  
  4B-4158 [4] SCREW  
6. 0S-1614 [4] BOLT  
  8J-0493 [4] LOCK  
7. 8J-6327 [2] RETAINER  
  8J-6283 [6] SHIM (.002 in. thick)  
  8J-6284 [6] SHIM (.005 in. thick)  
8. 1B-3953 [3] CONE  
9. 8J-6322 [3] CUP  
10. 2J-8169 [1] SEAL  
11. 8J-6296 [1] SHAFT  
  8J-6315 [1] CONE  
12. 9J-0728 [1] BODY  
13. 8J-6227 [1] SWASHPLATE  
14. 8J-6328 [1] PLATE  
15. 8J-6298 [1] SPRING  
16. 8J-6300 [2] SPACER  
17. 3H-1258 [1] RING  
18. 0S-1608 [2] BOLT  
19. 3B-4506 [10] LOCKWASHER  
20. 0S-1619 [4] BOLT  
21. 1A-5183 [4] BOLT  
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0312
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 2 of 2--Type 1
Part of 8J6155 Slipper and Gear Piston Pump Group shown on Page 166
c200159 UEG0772S
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6347 [1] GASKET  
2. 8J-6321 [4] STOP  
3. 9S-8005 [2] PLUG  
  3K-0360 [2] SEAL  
4. 6F-4855 [2] SEAL  
5. 8J-1899 [3] SHIM (.044 in. thick)  
  8J-1898 [6] WASHER (.010 in. thick)  
6. 8J-4377 [1] BOLT  
7. 8J-1810 [1] BOLT  
8. 1H-5728 [2] SEAL  
9. 0L-1351 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
10. 8J-6346 [1] PLATE  
11. 8J-6229 [2] COVER  
12. 8J-6302 [6] SHIM (.005 in. thick)  
  8J-6301 [3] SHIM (.002 in. thick)  
13. 8J-6348 [1] BARREL ASSEM.  
14. 8J-2022 R [9] PISTON ASSEM.  
15. 9J-2516 [1] PLATE  
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0772S0313
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 1 of 2--Type 2
Part of 8J6155 Slipper and Gear Piston Pump Group shown on Page 166
8J6312 Pump Head parts are shown on Page 167
c156796 UEG0772S
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6312 Y [1] HEAD GROUP  
    (Separate Illustration)
2. 2H-1190 [3] DOWEL  
3. 9F-2083 [2] DOWEL  
4. 008-3214 [2] RING  
5. 2P-9703 [1] PLATE (warning)  
  4B-4158 [4] SCREW  
6. 031-0216 C [4] BOLT  
7. 8J-6327 [2] RETAINER  
  8J-6283 [6] SHIM .051 mm(.002 in.) thick  
  8J-6284 [6] SHIM .127 mm(.005 in.) thick  
8. 1B-3953 [3] CONE  
9. 8J-6322 [3] CUP  
10. 2J-8169 [1] SEAL  
11. 8J-6296 [1] SHAFT  
  8J-6315 [1] CONE  
12. 9J-0728 [1] BODY  
13. 9J-7138 C [1] SWASHPLATE  
14. 9J-7858 C [1] PLATE  
15. 8J-6298 [1] SPRING  
16. 8J-6300 [2] SPACER  
17. 3H-1258 [1] RING  
18. 0S-1608 [2] BOLT  
19. 3B-4506 [10] LOCKWASHER  
20. 0S-1619 [4] BOLT  
21. 1A-5183 [4] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0314
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 2 of 2--Type 2
Part of 8J6155 Slipper and Gear Piston Pump Group shown on Page 166
c161390 UEG0772S
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6347 [1] GASKET  
2. 8J-6321 [2] STOP  
3. 9S-8005 [2] PLUG  
  3K-0360 [2] SEAL  
4. 6F-4855 [2] SEAL  
5. 8J-1899 C [3] SHIM 1.12 mm(.044 in.) thick  
  8J-1898 C [6] WASHER .254 mm(.01 in.) thick  
6. 8J-4377 [1] BOLT  
7. 8J-1810 H [1] BOLT  
8. 1H-5728 [2] SEAL  
9. 0L-1351 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
10. 8J-6346 C [1] PLATE  
11. 8J-6229 [2] COVER  
12. 8J-6302 [6] SHIM .127 mm(.005 in.) thick  
  8J-6301 [3] SHIM .051 mm(.002 in.) thick  
13. 8J-6348 C [1] BARREL ASSEM.  
14. 8J-2022 R [9] PISTON ASSEM.  
15. 9J-5758 R [1] PLATE  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0772S0315
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 1 of 2--Type 3
Part of 8J6155 Slipper and Gear Piston Pump Group shown on Page 166
8J6312 Pump Control Head parts are shown on Page 167
c157499 UEG0772S
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6312 Y [1] HEAD GROUP  
    (Separate Illustration)
2. 2H-1190 [3] DOWEL  
3. 9F-2083 [2] DOWEL  
4. 008-3214 [2] RING  
5. 2P-9703 [1] PLATE (warning)  
  4B-4158 [4] SCREW  
6. 031-0216 [4] BOLT  
  5P-0537 C [4] WASHER  
7. 8J-6327 [2] RETAINER  
  8J-6283 [6] SHIM .051 mm(.002 in.) thick  
  8J-6284 [6] SHIM .127 mm(.005 in.) thick  
8. 1B-3953 [3] CONE  
9. 8J-6322 [3] CUP  
10. 1A-5183 [4] BOLT  
11. 8J-6296 [1] SHAFT  
  8J-6315 [1] CONE  
12. 9J-0728 [1] BODY  
13. 9J-7138 [1] SWASHPLATE  
14. 9J-7858 [1] PLATE  
15. 8J-6298 [1] SPRING  
16. 8J-6300 C [3] SPACER  
17. 1B-8737 C [1] KEY  
18. 0S-1608 [2] BOLT  
19. 3B-4506 [10] LOCKWASHER  
20. 0S-1619 [4] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0772S0316
 

8J-0498: PUMP GP-SLIPPER

8J498 SLIPPER PUMP GROUP--Part 2 of 2--Type 3
Part of 8J6155 Slipper and Gear Piston Pump Group shown on Page 166
c161391 UEG0772S
8J0498 PUMP GP-SLIPPER Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-6347 H [1] GASKET  
2. 8J-6321 [2] STOP  
3. 9S-8005 [2] PLUG  
  3K-0360 H [2] SEAL  
4. 6F-4855 H [2] SEAL  
5. 8J-1899 C [2] WASHER 1.12 mm(.044 in.) thick  
  8J-1898 C [3] SHIM .254 mm(.01 in.) thick  
6. 8J-4377 [1] BOLT  
7. 9J-7758 C [1] BOLT  
8. 1H-5728 H [2] SEAL  
9. 0L-1351 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
10. 8J-6346 C [1] PLATE  
11. 8J-6229 [2] COVER  
12. 8J-6302 [6] SHIM .127 mm(.005 in.) thick  
  8J-6301 [3] SHIM .051 mm(.002 in.) thick  
13. 9J-8660 RC [1] BARREL ASSEM.  
14. 8J-2022 R [9] PISTON ASSEM.  
15. 9J-5758 R [1] PLATE  
16. 1D-5120 C [1] NUT  
17. 9J-7814 CH [1] SEAL  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  3G-1708 [1] KIT (seal)  
    (Includes parts marked h)
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
 

#UEG0772S0317
 

8J-6103: VALVE GP

8J6103 PRESSURE REDUCING VALVE GROUP
Part of 8J6312 Pump Control Head Group shown on Page 167
c200162 UEG0772S
8J6103 VALVE GP Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8006 [1] PLUG  
2. 2M-9780 [1] SEAL  
3. 9S-4982 [1] SPRING  
4. 8J-6076 [1] PISTON  
5. 8J-2030 [1] PISTON  
6. 8J-6075 [1] CARTRIDGE  
7. 8J-6100 [1] PISTON  
 

#UEG0772S0318
 

8J-6316: SERVO VALVE GROUP

8J6316 SERVO VALVE GROUP
Part of 8J6312 Pump Control Head Group shown on Page 167
c154252 UEG0772S
8J6316 SERVO VALVE GROUP Parts scheme
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-4574 [1] PISTON  
2. 8J-2032 [1] PISTON  
3. 2L-6726 [1] RING  
4. 8J-2040 [1] INSERT  
5. 5B-9324 [1] SETSCREW  
6. 8J-8345 [1] CARTRIDGE  
7. 8J-8374 C [1] VALVE GROUP  
    (Includes)
8. 8J-2034 [1] STOP  
9. 3H-1118 [1] PIN  
10. 8J-2027 [1] SPACER  
11. 3D-8317 [1] RING  
  C   INDICATES CHANGE
 

#UEG0772S0319
 

8D-9735: BLADE CONTROL ARRANGEMENT

8D9735 BLADE CONTROL ARRANGEMENT--12 Foot--Factory Installation
UEG0772S0319 UEG0772S
  For full view, you need register

Parts for your 12G MOTOR GRADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8D-0170 Y [1] SKID SHOE FOLLOWER GROUP  
  8D-9110 Y [1] WHEEL FOLLOWER GROUP  
  8D-9120 Y [1] WIRE FOLLOWER GROUP  
  8D-9765 Y [1] LINES AND VALVE GROUP  
  9D-1600 Y [1] CIRCLE DRIVE GROUP  
  9D-2120 Y [1] CAMDRIVE SHAFT GROUP  
    - OR -
  2G-5480 Y [1] CAMDRIVE SHAFT GROUP  
  9D-2325 Y [1] BLADE GROUP 12 FOOT  
  9D-2345 Y [1] GRADE FOLLOWER MOUNTING GROUP  
  9D-2365 Y [1] DIAL CONTROL GROUP  
  9D-2370 Y [1] DIAL CONTROL MOUNTING GROUP  
  9D-2385 Y [1] CIRCLE GROUP  
  9D-2390 Y [1] FRONT FRAME GROUP  
  9D-2400 Y [1] DRAWBAR GROUP  
  9D-2440 Y [1] GRADE FOLLOWER STORAGE GROUP  
  9D-3855 Y [1] STABILIZER GROUP  
  9D-7145 Y [1] MOUNTING AND PENDULUM GROUP  
  9D-8180 Y [1] SLOPE AND GRADE WIRING GROUP  
  9D-2474 [1] BLADE CONTROL TOOL GROUP  
  [1] TIRES 13.00 X 24  
  9D-4700 [1] POWER MODULE  
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-Australia
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-CFEL
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-CSARL
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-Americas
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-Brazil
Specifications
Hydraulic Pump<BR> (8J498) (Part of 8J6155 Pump Group)
12G, 130G, 140G MOTOR GRADERS HYDRAULIC SYSTEM AND STEERING
Hydraulic Pump<BR> (8J5846) (Part of 8J6155 Pump Group)
12G, 130G, 140G MOTOR GRADERS HYDRAULIC SYSTEM AND STEERING
Hydraulic Pump Mounting
12G, 130G, 140G MOTOR GRADERS HYDRAULIC SYSTEM AND STEERING
Steering Metering Pump<BR> (3G3897)
12G, 130G, 140G MOTOR GRADERS HYDRAULIC SYSTEM AND STEERING
Supplemental Steering Pump
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM
Motor - 24 Volt<BR> (2G5515)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM
Relief Valve<BR> (4T1056)
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM
Hydraulic Pump<BR> 120G: (Earlier 4T0501, Later 6E1278); 12G, 130G, 140G: (Earlier 9T1417, Later 6E1279)
12G, 120G, 130G & 140G MOTOR GRADERS HYDRAULIC SYSTEM & STEE
Electric Drive Pump Groups
"G" SERIES MOTOR GRADERS SUPPLEMENTAL STEERING SYSTEM
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Service Letter-China
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Service Letter-Asia
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Service Letter-APD
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTION AND REWORK OF THE REMANUFACTURED MAIN STEERING PUMP ON 545, 545C WHEEL SKIDDERS, 950G II, 966G, 966G II, 972G, 972G II WHEEL LOADERS, 120G, 140G, 140H, 143H, 163H, 12G, 12H, 24H MOTOR GRADERS, 793, 793B, AND 793C OFF-HIGHWAY TRUCKS
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Disassembly and Assembly
Steering Pump
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS
Pressure And Flow Compensator Valve
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS
Hydraulic Pump
12G, 120G, 130G & 140G MOTOR GRADER VEHICLE SYSTEMS
Steering Pump (Earlier)
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Steering Pump (Later)
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Cooler Pump
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Hydraulic Pump (Earlier)
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Hydraulic Pump (Later)
12G,130G & 140G MOTOR GRADERS VEHICLE SYSTEMS
Service Magazine
Snap Ring No Longer Used On Shaft Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/08/04
Maximum Permissible Rates For Case Drain Leakage Permit Field Checks Of Piston-Type Hydraulic Pumps And Motors{5070,5058}
1980/09/01
Correct Assembly Of Shuttle Valve In Pump Control Head Group Is Important{5079,5070}
1980/10/13
Spacer Removed From Hydraulic Pump Groups{5070}
1980/11/03
Make Sure Hydraulic Pump Is Correctly Assembled{5070}
1981/08/03
Swashplate Stop Setting For Piston Pumps{5070}
1984/04/09
Correct Position Of O-ring Seals And Back-Up Rings In Pump Control Head Group{5070}
1984/10/08
Identification Grooves Used On Slippers For Pistons In Hydraulic Pumps And Motors{5070,5058}
1984/11/26
Change Made To Piston Pump Control Improves Its Efficiency{5070}
1985/03/04
Use Correct Procedure To Install Rubber Mountings For Implement Pump Group{5070}
1978/02/06
New Metering Pump Groups Used In Steering Control Group{4306,4312}
1978/06/19
Swashplate Stop Setting For Piston Pumps Made Easier{5070}
1978/10/30
Pump Failure Can Be Prevented{5070,5200}
1979/08/20
New Seal Kit Available For Hydraulic System Oil Cooler Gear Pumps{5073}
1989/09/11
Rework Procedures For The Hydraulic Pump Bias Piston{5070}
1990/02/12
Remanufactured Caterpillar Piston Pump And Motor Barrels Available{5070,3208,4351,5058}
1990/12/17
New Shield Protects Shaft Seal On Motor Grader Piston Pumps {5070}
1993/06/14
New Procedure For Shaft Seal Assembly {5070}
1993/06/28
Service Life Of The 3Z-4729 Tube Assembly Can Be Increased By Modifying The Mounting Plate For The Combination Valve Group {5057,5064,5084}
1995/05/15
New Grooved Piston Assemblies Available For Piston Pump Rotating Groups {5070}
1996/08/12
Service Replacements For Discontinued Piston Pump Groups{5070}
1996/11/11
The Swashplate Stop for the Piston Pump is now Retained with a Dowel Pin {5070}
2000/08/14
Service Replacements For Noncurrent Piston Pumps {5070}
2006/06/12
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog 12G :

PUMP GP-PISTON & GEAR
8J-6155 PUMP GP-PISTON & GEAR
PUMP AND MOUNTING GROUP
8D-7390 PUMP AND MOUNTING GROUP
VALVE GP-RELIEF
9J-4818 VALVE GP-RELIEF
RELIEF PILOT OPERATED VALVE GROUP
8J-7238 RELIEF PILOT OPERATED VALVE GROUP
VALVE GP-COMBINATION
8J-7239 VALVE GP-COMBINATION
VALVE GP-UNLOADING
9J-1762 VALVE GP-UNLOADING
VALVE GP-COMBINATION
8J-7239 VALVE GP-COMBINATION
LINES GP-PUMP
8D-7900 LINES GP-PUMP
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
PUMP GP-SLIPPER
8J-0498 PUMP GP-SLIPPER
VALVE GP
8J-6103 VALVE GP
SERVO VALVE GROUP
8J-6316 SERVO VALVE GROUP

Truck sale:

Caterpillar 12G
 
Caterpillar 12G
- motor graders
MILTON CAT
 
45.000 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung


Caterpillar 12G, Construction
52,000 
Caterpillar 12G, Construction
- motor graders
ALTORFER INC.
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
86.058 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
- motor graders
SIME DARBY INDUSTRIAL SDN BHD
Malaysia
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
75.600 
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
- motor graders
HOLT CAT
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