BASIC ENGINE
MOUNTING GP-ENGINEVALVE MECHANISM GP
LUBRICATION SYSTEM
FILTER GP-ENGINE OILBREATHER GP
FUMES DISPOSAL GP
GAUGE GP-OIL LEVEL (DIPSTICK)
LINES GP-ENGINE OIL
AIR INLET AND EXHAUST SYSTEM
TURBOCHARGER GPBASIC ENGINE
MOUNTING GP-ENGINE#SEBP23900050
7N-9595: SUPPORT GP-ENGINE
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS#SEBP23900051
7N-9589: TRUNNION GP-ENGINE
#SEBP23900052
7N-8024: VALVE MECHANISM GP
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9H-1113 | [2] | RING-RETAINING | |
| 2. | 7S-3161 | [8] | LIFTER-VALVE | |
| 3. | 7N-0550 | [2] | WASHER-SPRING | |
| 4. | 9M-9886 B | [9] | WASHER (31.75X19.05X0.08-MM THK) | |
| 5. | 8M-4448 C | [1] | SEAL-O-RING | |
| 6. | 7N-8015 | [1] | BRACKET | |
| 7. | 1L-5072 | [1] | DOWEL | |
| 8. | 8N-3325 C | [4] | ROCKER ARM GP (EXHAUST) | |
| (EACH INCLUDES) | ||||
| 9. | 5S-5917 | [1] | SCREW | |
| 10. | 3S-2713 | [1] | NUT-FULL (3/8-24-THD) | |
| 11. | 2S-0736 | [1] | WASHER-HARD (17X27X3.5-MM THK) | |
| 12. | 1B-7709 | [1] | BOLT (5/8-11X8-IN) | |
| 13. | 8N-3327 C | [4] | ROCKER ARM GP (INLET) | |
| (EACH INCLUDES) | ||||
| 14. | 5S-5917 | [1] | SCREW | |
| 15. | 3S-2713 | [1] | NUT-FULL (3/8-24-THD) | |
| 16. | 4B-4910 | [3] | SPRING | |
| 17. | 5S-5879 | [2] | BRACKET-SHAFT | |
| 18. | 8N-3312 | [1] | SHAFT-ROCKER ARM | |
| 19. | 6V-3508 | [2] | PLUG-CUP | |
| 20. | 5M-4606 | [1] | DOWEL | |
| 21. | 8S-1498 | [1] | BRACKET-SHAFT | |
| 22. | 5S-5918 | [8] | PUSHROD-VALVE | |
| B | USE AS REQUIRED | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
#SEBP23900053
4P-8455: BASE GP-OIL FILTER
4P-8455 BASE GP-OIL FILTER
S/N 07Z34993-UP
PART OF 188-8948 COOLER GP-FLTR BASE & ENG OIL
S/N 07Z34993-UP
PART OF 188-8948 COOLER GP-FLTR BASE & ENG OIL
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9Y-7149 | [1] | BASE AS-OIL FILTER | |
| 3B-0645 | [3] | PLUG-CUP | ||
| 2. | 8T-6762 | [1] | PLUG-PIPE (1/2-14-THD) | |
| 3. | 2P-2537 | [1] | STUD-HOLLOW | |
| 4. | 1P-1367 | [2] | PLUNGER (RELIEF VALVE) | |
| 5. | 2B-2694 | [1] | BOLT (5/16-18X2-IN) | |
| 6. | 8C-3445 | [1] | CAP-DUST (ENGINE OIL SAMPLING VALVE) | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 8C-3446 | [1] | VALVE-SAMPLING (ENGINE OIL) | ||
| 7. | 9Y-6860 | [1] | GASKET | |
| 8. | 1B-2790 | [2] | BOLT (5/16-18X1.375-IN) | |
| 9. | 8M-3182 | [2] | SPRING | |
| 10. | 1B-9575 | [1] | BOLT (5/16-18X1.56-IN) | |
| 11. | 4P-8453 | [1] | COVER |
#SEBP23900054
8N-4457: BASE GP-OIL FILTER
8N-4457 BASE GP-OIL FILTER
S/N 07Z31733-UP
PART OF 131-3003, 6I-4382 COOLER GP-FLTR BASE & ENG OIL
S/N 07Z31733-UP
PART OF 131-3003, 6I-4382 COOLER GP-FLTR BASE & ENG OIL
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9Y-7149 C | [1] | BASE AS-OIL FILTER | |
| 3B-0645 | [3] | PLUG-CUP | ||
| 2. | 8T-6762 | [1] | PLUG-PIPE (1/2-14-THD) | |
| 3. | 2P-2537 | [1] | STUD-HOLLOW | |
| 4. | 1P-1367 | [2] | PLUNGER (RELIEF VALVE) | |
| 5. | 0S-1618 C | [1] | BOLT (5/16-18X1-IN) | |
| 6. | 9M-1974 | [3] | WASHER-HARD (8.8X16X2-MM THK) | |
| 7. | 9Y-6859 C | [1] | COVER | |
| 8. | 1B-2790 C | [2] | BOLT (5/16-18X1.375-IN) | |
| 9. | 8M-3182 | [2] | SPRING | |
| 10. | 0S-1618 B | [1] | BOLT (5/16-18X1-IN) | |
| 11. | 8C-3445 C | [1] | CAP-DUST (ENGINE OIL SAMPLING VALVE) | |
| 12. | 9Y-6860 C | [1] | GASKET | |
| 13. | 9M-1974 B | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
| 14. | 3J-7354 C | [1] | SEAL-O-RING | |
| 15. | 8C-3446 C | [1] | VALVE-SAMPLING (ENGINE OIL) | |
| B | USE AS REQUIRED | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP23900055
1P-4244: BREATHER GP
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS#SEBP23900056
8N-7254: FUMES DISPOSAL GP
8N-7254 FUMES DISPOSAL GP
S/N 1DN1-2253
PART OF 133-5658, 4P-9155 INSTALLATION AR-ENGINE
S/N 1DN1-2253
PART OF 133-5658, 4P-9155 INSTALLATION AR-ENGINE
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS#SEBP23900057
2P-6491: GAUGE GP-OIL LEVEL (DIPSTICK)
2P-6491 GAUGE GP-OIL LEVEL (DIPSTICK)
S/N 07Z31733-UP
PART OF 125-9360, 4P-9154 ENGINE AR
S/N 07Z31733-UP
PART OF 125-9360, 4P-9154 ENGINE AR
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS#SEBP23900058
2P-6512: LINES GP-ENGINE OIL
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1A-2029 | [1] | BOLT (3/8-16X1.125-IN) | |
| 2. | 2M-5407 | [1] | GASKET | |
| 3. | 114-2687 | [3] | SEAL-O-RING | |
| 4. | 4L-3641 C | [1] | CLIP | |
| 5. | 1L-5081 C | [1] | SPACER (0.41X0.75X0.56-IN THK) | |
| 6. | 0S-1594 C | [3] | BOLT (3/8-16X1-IN) | |
| 7. | 8N-7318 | [1] | TUBE AS | |
| 9. | 7F-7590 | [1] | GASKET | |
| 10. | 0T-0102 | [1] | BOLT (3/8-16X0.625-IN) | |
| 0L-0364 | [1] | LOCK | ||
| 11. | 2S-1541 | [4] | ORIFICE-JET | |
| 12. | 9Y-7589 | [1] | TUBE AS-SCAVENGE | |
| 13. | 7C-2880 | [1] | BELL AS-SUCTION (ENGINE OIL) | |
| 14. | 8S-8874 | [1] | LOCKNUT | |
| 15. | 8M-0904 | [1] | GASKET | |
| 16. | 0L-2070 | [1] | BOLT (3/8-16X2.25-IN) | |
| 17. | 8N-7315 | [1] | TUBE AS-OUTLET | |
| 18. | 0S-1571 | [1] | BOLT (3/8-16X1.75-IN) | |
| 5M-2894 | [1] | WASHER-HARD (10.2X18.5X2.5-MM THK) | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP23900059
188-8949: LINES GP-TURBOCHARGER OIL
188-8949 LINES GP-TURBOCHARGER OIL
S/N 07Z34993-UP
PART OF 125-9360 ENGINE AR
S/N 07Z34993-UP
PART OF 125-9360 ENGINE AR
Parts for your 525 WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 0L-1143 | [2] | BOLT (3/8-16X2.5-IN) | |
| 2. | 5M-2894 | [4] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 3. | 7W-3043 | [1] | TUBE AS-OIL DRAIN | |
| 4. | 9M-4849 | [1] | SEAL-O-RING | |
| 5. | 1P-1255 | [1] | GASKET-OIL DRAIN | |
| 6. | 8M-4446 | [1] | SEAL-O-RING | |
| 7. | 5M-6213 | [2] | PLUG-PIPE | |
| 8. | 0S-1585 | [1] | BOLT (1/2-13X1.5-IN) | |
| 9. | 5P-8245 | [1] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 10. | 8M-4438 | [1] | SEAL-O-RING | |
| 11. | 0S-1619 | [2] | BOLT (3/8-16X3-IN) | |
| 12. | 5P-8247 | [1] | WASHER-HARD (17X32X3.5-MM THK) | |
| 13. | 1D-4585 | [1] | BOLT (5/8-11X3.25-IN) | |
| 14. | 9Y-4380 | [1] | RETAINER | |
| 15. | 8M-5248 | [2] | SEAL-O-RING | |
| 16. | 3J-5390 | [1] | PLUG | |
| 17. | 4W-9655 | [1] | SUPPORT | |
| 18. | 8H-9788 | [1] | GASKET | |
| 19. | 102-5869 | [1] | TUBE AS-OIL | |
| 20. | 1B-2790 | [1] | BOLT (5/16-18X1.375-IN) | |
| 21. | 4B-3388 | [1] | BOLT (5/16-18X1.125-IN) | |
| 22. | 102-5868 | [1] | HOSE AS | |
| 23. | 124-0174 | [1] | CLIP | |
| 24. | 6K-3607 | [1] | CONNECTOR | |
| 25. | 2M-9780 | [1] | SEAL-O-RING | |
| 26. | 9S-4185 | [1] | PLUG (3/4-16-THD) | |
| 27. | 3K-0360 | [1] | SEAL-O-RING |



