BASIC ENGINE
CRANKSHAFT GPPISTON & ROD GP
CRANKSHAFT GP
PISTON & ROD GP
CYLINDER HEAD GP
CAMSHAFT GP
CYLINDER HEAD GP
BASIC ENGINE
CRANKSHAFT GP#SEBP12680020
4N-7693: CRANKSHAFT AS
4N7693 CRANKSHAFT ASSEMBLY-FIELD INSTALLATION*R
#SEBP12680021
CRANKSHAFT BEARING REPLACEMENTS
CRANKSHAFT BEARING REPLACEMENTS
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| CYLINDER BLOCK NOT REBORED | ||||
| CRANKSHAFT GROUND FOR UNDERSIZE | ||||
| BEARING I.D. OF: | ||||
| 8N-8225 | [7] | 0.25MM | ||
| 8N-8226 | [7] | 0.51MM | ||
| 8N-8227 | [7] | 0.76MM | ||
| CYLINDER BLOCK REBORED (0.51MM) | ||||
| (FOR BEARING OVERSIZE O.D.) | ||||
| CRANKSHAFT GROUND FOR UNDERSIZE | ||||
| BEARING I.D. OF: | ||||
| 8N-8228 | [7] | 0 (STANDARD) | ||
| 8N-8229 | [7] | 0.25MM | ||
#SEBP12680022
8N-2531: PISTON & ROD GP
8N2531 CONNECTING ROD AND PISTON GROUP-6 REQUIRED
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7N-9805 | [1] | PIN-PISTON | |
| 2. | 1S-9543 | [2] | RETAINER-PIN | |
| 3. | 8N-1721 R | [1] | ROD AS-CONNECTING | |
| 8N-1849 | [1] | BEARING-CONNECTING ROD | ||
| 4. | 1P-9956 | [2] | BOLT-CONNECTING ROD | |
| 5S-6348 | [2] | NUT-SPECIAL | ||
| 5. | 8N-8219 C | [1] | BEARING-CONNECTING ROD | |
| 2S-0502 | [1] | BEARING-.254MM US | ||
| 2S-0503 | [1] | BEARING-.508MM US | ||
| 7M-7826 | [1] | BEARING-.762MM US | ||
| 6. | 8N-2533 | [1] | PISTON GP | |
| 7. | 9L-6934 | [1] | RING-PISTON (OIL) | |
| 8. | 9L-6933 | [1] | RING-PISTON INTERMEDIATE | |
| 9. | 9L-6932 | [1] | RING-PISTON TOP | |
| 9L-6935 | [1] | RING GP-PISTON | ||
| (CONSISTS OF COMPLETE | ||||
| SET OF RINGS FOR ONE | ||||
| PISTON) | ||||
| C | CHANGE FROM PREVIOUS TYPE | |||
| R | REMFG PART MAY BE AVAILABLE | |||
#SEBP12680023
2P-6224: SEAL GP-CRANKSHAFT
2P6224 CRANKSHAFT SEAL GROUP
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS#SEBP12680024
2P-6226: SEAL GP-CRANKSHAFT
2P6226 CRANKSHAFT SEAL GROUP
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS#SEBP12680025
1W-6588: PISTON & ROD GP
1W6588 CONNECTING ROD AND PISTON GROUP-6 REQUIRED
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7N-9805 | [1] | PIN-PISTON | |
| 2. | 1S-9543 | [2] | RETAINER-PIN | |
| 3. | 8N-1721 R | [1] | ROD AS-CONNECTING | |
| 8N-1849 | [1] | BEARING-CONNECTING ROD | ||
| 4. | 1P-9956 | [2] | BOLT-CONNECTING ROD | |
| 5S-6348 | [2] | NUT | ||
| 5. | 4W-5739 C | [1] | BEARING-CONNECTING ROD (STD) | |
| 8N-8221 AC | [1] | BEARING-CONNECTING ROD ((.25MM)UNDERSIZE) | ||
| 8N-8222 AC | [1] | BEARING-CONNECTING ROD ((.51MM)UNDERSIZE) | ||
| 8N-8223 AC | [1] | BEARING-CONNECTING ROD ((.76MM)UNDERSIZE) | ||
| 6. | 4P-8132 | [1] | BODY AS-PISTON | |
| 7. | 7E-6047 | [1] | RING-PISTON (OIL) | |
| 8. | 5S-6750 | [1] | RING-PISTON (INTERMEDIATE) | |
| 9. | 9S-3029 | [1] | RING-PISTON (TOP) | |
| 10. | 2W-6091 AC | [1] | RING GP-PISTON | |
| 11. | 9S-3029 | [1] | RING-PISTON | |
| 12. | 5S-6750 | [1] | RING-PISTON | |
| 13. | 7E-6047 | [1] | RING-PISTON (OIL) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| R | REMFG PART MAY BE AVAILABLE | |||
#SEBP12680026
2P-6530: COVER GP-CYLINDER HEAD
2P6530 CYLINDER HEAD COVER GROUP
#SEBP12680027
2P-6202: CAMSHAFT GP
2P6202 CAMSHAFT GROUP
ENGINE SERIAL NO. 8Z1 TO 8Z18851 INCLUSIVE
ENGINE SERIAL NO. 8Z1 TO 8Z18851 INCLUSIVE
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS#SEBP12680028
1N-4406: CAMSHAFT GP
1N4406 CAMSHAFT GROUP
ENGINE SERIAL NO. 8Z18852-UP
ENGINE SERIAL NO. 8Z18852-UP
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS#SEBP12680029
8N-0226: CYLINDER HEAD GP
8N0226 CYLINDER HEAD GROUP*R
ENGINE SERIAL NO.8Z1 TO 8Z2400 AND 8Z4240 TO 8Z4881 INCLUSIVE
ENGINE SERIAL NO.8Z1 TO 8Z2400 AND 8Z4240 TO 8Z4881 INCLUSIVE
Parts for your 12G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7S-7144 | [12] | SPRING | |
| 2. | 8N-7781 | [12] | ROTOCOIL ASSEM. | |
| (Each Includes) | ||||
| 8N-7782 | [1] | ROTOCOIL ASSEM. | ||
| (Includes) | ||||
| 6P-1385 | [4] | BLOCK | ||
| 3. | 8N-7780 | [1] | SHIELD | |
| 4. | 8N-6796 R | [1] | HEAD ASSEM. | |
| (Includes) | ||||
| 5. | 0S-1594 | [4] | BOLT | |
| 6. | 5M-2894 | [4] | WASHER | |
| 7. | 1P-6367 | [1] | COVER | |
| 8. | 5S-6735 | [1] | GASKET | |
| 9. | 3B-0623 | [6] | PLUG | |
| 10. | 3S-8313 | [7] | PLUG | |
| 11. | 1S-3062 | [18] | DIRECTOR | |
| 12. | 2B-0858 | [3] | PLUG | |
| 13. | 7N-4448 | [6] | INSERT (intake) | |
| 14. | 8N-0435 | [6] | INSERT (exhaust) | |
| 15. | 2P-1262 | [12] | GUIDE | |
| 16. | 3P-1896 | [12] | PLUG | |
| 17. | 5M-6213 | [1] | PLUG | |
| 18. | 3S-5496 | [1] | SEAL | |
| 19. | 7N-7999 | [1] | GASKET | |
| 20. | 6N-9915 | [6] | VALVE (intake) | |
| 21. | 7N-0573 | [6] | VALVE (exhaust) | |
| 22. | 7N-8025 | [18] | SEAL | |
| 23. | 7N-8018 | [6] | SEAL | |
| 24. | 2A-4429 | [24] | LOCK | |
Information:
BASIC ENGINE
CRANKSHAFT GP
Tool Operating Manual
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Reuse And Salvage Guidelines
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Disassembly and Assembly
Service Magazine
Caterpillar Parts SIS Catalog 12G :
Truck sale:
86.058
Caterpillar 12G, bergbau-motorgrader, Bau-Und Bergbauausrüstung
- motor graders
SIME DARBY INDUSTRIAL SDN BHD
Malaysia
- motor graders
SIME DARBY INDUSTRIAL SDN BHD
Malaysia



