BASIC ENGINE
CYLINDER HEAD GPHOUSING GP-FRONT
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP
DRIVE GP-FAN
BASIC ENGINE
CYLINDER HEAD GP#SEBP17170020
2P-6530: COVER GP-CYLINDER HEAD
2P-6530 COVER GP-CYLINDER HEAD
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
#SEBP17170021
2P-6529: COVER GP-FRONT HOUSING
2P-6529 COVER GP-FRONT HOUSING
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS#SEBP17170022
8N-4446: COVER GP-VALVE MECHANISM
8N-4446 COVER GP-VALVE MECHANISM
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
#SEBP17170023
2Y-4515: CRANKSHAFT AS
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS#SEBP17170024
2Y-5204: CRANKSHAFT GP
2Y-5204 CRANKSHAFT GP
S/N 9CB1-1408
PART OF 2Y-8621, 2Y-9496 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1-1408
PART OF 2Y-8621, 2Y-9496 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS#SEBP17170025
2Y-5204: CRANKSHAFT GP
2Y-5204 CRANKSHAFT GP
S/N 9CB1409-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1409-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 100-3652 | [2] | PLATE-THRUST | |
| 2. | 4W-5738 C | [5] | BEARING-MAIN (STANDARD) | |
| 8N-8225 A | [5] | BEARING-MAIN (0.25-MM US) | ||
| 8N-8226 A | [5] | BEARING-MAIN (0.51-MM US) | ||
| 8N-8227 A | [5] | BEARING-MAIN (0.76-MM US) | ||
| 8N-8228 A | [5] | BEARING-MAIN (0.51-MM OS) | ||
| 8N-8229 A | [5] | BEARING-MAIN (0.25-MM US, 0.51-MM OS) | ||
| 4P-7305 A | [5] | BEARING-MAIN (0.51-MM OS, 0.51-MM US) | ||
| 4P-7306 A | [5] | BEARING-MAIN (0.51-MM OS, 0.76-MM US) | ||
| 3. | 2W-7960 | [1] | CRANKSHAFT AS | |
| 4. | 8T-6757 | [4] | PLUG-PIPE | |
| 5. | 1W-4405 | [1] | GEAR-CRANKSHAFT (40-TEETH) | |
| 6. | 5H-2671 | [1] | KEY-WOODRUFF | |
| A | NOT PART OF THIS GROUP | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
| R | REMFG PART MAY BE AVAILABLE | |||
#SEBP17170026
7N-6552: CYLINDER BLOCK AS
7N-6552 CYLINDER BLOCK AS
S/N 9CB1-99999
PART OF 7N-6553 CYLINDER BLOCK GP
FIELD REPLACEMENT ORDER 6N-7725 KIT-CYLINDER BLOCK
ALSO AN ATTACHMENT
S/N 9CB1-99999
PART OF 7N-6553 CYLINDER BLOCK GP
FIELD REPLACEMENT ORDER 6N-7725 KIT-CYLINDER BLOCK
ALSO AN ATTACHMENT
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6N-8003 | [5] | CAP-CRANKSHAFT BEARING | |
| 2. | 7S-3224 | [10] | BOLT (5/8-11X5.25-IN) | |
| 2S-5658 | [10] | WASHER-HARD (17X29X3-MM THK) | ||
| 3. | 371-5941 | [4] | LINER-CYLINDER | |
| 4. | 2W-6134 | [4] | BAND-FILLER | |
| 5. | 456-5581 | [12] | SEAL-O-RING | |
| 104-5512 ABF | INSERT-LINER SEAT (0.822-MM THK) | |||
| 104-5513 ABF | INSERT-LINER SEAT (0.872-MM THK) | |||
| 104-5511 ABF | INSERT-LINER SEAT (0.772-MM THK) | |||
| 104-5518 ABF | INSERT-LINER SEAT (1.605-MM THK) | |||
| 104-5515 ABF | INSERT-LINER SEAT (1.555-MM THK) | |||
| 104-5522 ABF | INSERT-LINER SEAT (1.655-MM THK) | |||
| 104-5527 ABF | INSERT-LINER SEAT (2.71-MM THK) | |||
| 104-5528 ABF | INSERT-LINER SEAT (2.76-MM THK) | |||
| 104-5526 ABF | INSERT-LINER SEAT (2.66-MM THK) | |||
| 104-5530 ABF | INSERT-LINER SEAT (5.21-MM THK) | |||
| 104-5529 ABF | INSERT-LINER SEAT (5.16-MM THK) | |||
| 104-5531 ABF | INSERT-LINER SEAT (5.26-MM THK) | |||
| 8S-6045 ABF | SHIM (0.007-MM THK)(CYLINDER LINER) | |||
| 8S-6046 ABF | SHIM (0.008-MM THK)(CYLINDER LINER) | |||
| 8S-6047 ABF | SHIM (0.009-MM THK)(CYLINDER LINER) | |||
| 8S-6048 ABF | SHIM (0.015-MM THK)(CYLINDER LINER) | |||
| 8S-6049 ABF | SHIM (0.029-MM THK)(CYLINDER LINER) | |||
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
| F | NOT SHOWN | |||
#SEBP17170027
7N-6553: CYLINDER BLOCK GP
7N-6553 CYLINDER BLOCK GP
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3S-5496 | [1] | SEAL-O-RING | |
| 2. | 1S-9540 | [1] | DOWEL | |
| 3. | 8T-6763 | [1] | PLUG-PIPE | |
| 4. | 3J-5389 | [2] | PLUG | |
| 5. | 8M-9307 | [1] | PLUG | |
| 6F-7062 | [1] | WASHER (12.7X19.05X1.83-MM THK) | ||
| 6. | 8T-6765 | [2] | PLUG-PIPE | |
| 7. | 7M-4046 | [2] | BEARING-SLEEVE | |
| 8. | 7N-8021 | [1] | PLATE-BLOCK | |
| 9. | 5B-7652 | [2] | DOWEL | |
| 10. | 7N-8020 | [1] | GASKET-PLATE | |
| 11. | 7N-6552 Y | [1] | CYLINDER BLOCK AS | |
| 12. | 8T-6764 | [1] | PLUG-PIPE | |
| 13. | 8K-1207 | [2] | DOWEL | |
| 14. | 8B-6349 | [2] | DOWEL | |
| 15. | 5S-8462 | [1] | STUD | |
| 16. | 8N-4110 | [1] | BEARING-SLEEVE | |
| 17. | 4B-9782 | [5] | BALL | |
| 18. | 5S-6419 | [4] | BEARING-SLEEVE | |
| 19. | 5S-6420 | [2] | BEARING-SLEEVE | |
| 20. | 8T-6762 | [1] | PLUG-PIPE | |
| 21. | 4B-3938 | [1] | PLUG-CUP | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP17170028
7N-8874: CYLINDER HEAD GP
7N-8874 CYLINDER HEAD GP
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
S/N 9CB1-99999
PART OF 2Y-8621, 2Y-9496, 5Y-1831 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2A-4429 | [16] | LOCK-RETAINER | |
| 2. | 7N-8018 | [4] | SEAL | |
| 3. | 7S-7144 | [8] | SPRING-VALVE | |
| 4. | 6N-9915 | [4] | VALVE-INLET | |
| 5. | 100-7861 | [4] | VALVE-EXHAUST | |
| 6. | 4P-8915 C | [1] | GASKET-CYLINDER HEAD | |
| 7. | 3S-5496 | [1] | SEAL-O-RING | |
| 8. | 9Y-1798 C | [12] | SEAL | |
| 9. | 1W-5300 C | [8] | ROTOCOIL AS | |
| (EACH INCLUDES) | ||||
| 10. | 6N-7174 C | [1] | SHIELD-OIL | |
| 11. | 148-7502 | [8] | GUIDE-VALVE | |
| 12. | 8T-6763 | [1] | PLUG-PIPE | |
| 13. | 3B-0623 | [4] | PLUG-CUP | |
| 14. | 107-0265 C | [4] | INSERT-VALVE SEAT (EXHAUST) | |
| 15. | 107-0268 | [4] | INSERT-VALVE SEAT (INLET) | |
| 16. | 3P-1896 | [9] | PLUG-CUP | |
| 17. | 3S-8313 C | [4] | PLUG-CUP | |
| 18. | 8T-6762 | [3] | PLUG-PIPE (9.52 CF SQ HOLE) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP17170029
3P-0059: DRIVE GP-FAN
Parts for your 120G MOTOR GRADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1P-9945 | [1] | BRACKET AS-FAN | |
| 2. | 5S-9062 | [1] | SPACER (35.032X50.8X15.88-MM THK) | |
| 3. | 3L-1425 | [1] | BALL BEARING | |
| 4. | 5S-7264 | [1] | WASHER-RETAINING (0.219-IN THK) | |
| 5. | 6V-4626 C | [2] | BOLT-LOCKING (5/16-24X2-IN) | |
| 6. | 2P-1757 | [1] | HUB-FAN PULLEY | |
| 7. | 8N-5305 C | [1] | SPACER (35.6X47.62X43.74-MM THK) | |
| 8. | 8H-9789 | [1] | BALL BEARING | |
| 9. | 5S-2106 | [1] | SEAL-LIP TYPE | |
| 10. | 8T-4835 | [6] | BOLT (1/2-13X2-IN) | |
| 11. | 6V-8188 | [6] | NUT (1/2-13-THD) | |
| 8T-4223 | [6] | WASHER-HARD (13.5X25.5X3-MM THK) | ||
| C | CHANGE FROM PREVIOUS TYPE | |||


