BASIC ENGINE
GEAR GPHOUSING GP-FLYWHEEL
GEAR GP
LIFTING GP-ENGINE
PAN GP-OIL
PISTON & ROD GP
BASIC ENGINE
GEAR GP#SEBP52510030
4P-3581: GEAR GP-REAR
4P-3581 GEAR GP-REAR
S/N 99C9764-UP
S/N 99C9764-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6V-8715 C | [1] | CONNECTOR | |
| 2. | 136-7227 C | [1] | SEAL-O-RING | |
| 3. | 141-7582 C | [1] | TUBE AS | |
| 4. | 8L-2779 | [6] | SEAL-O-RING | |
| 5. | 4H-8878 | [1] | CLIP | |
| 6. | 6V-5049 | [2] | SEAL-O-RING | |
| 7. | 6V-9200 | [1] | ELBOW | |
| 8. | 6V-8636 | [2] | CONNECTOR | |
| 9. | 6V-5048 | [2] | SEAL-O-RING | |
| 10. | 1A-5822 | [16] | BOLT (1/2-13X2.75-IN) | |
| 11. | 6V-9872 | [1] | CONNECTOR | |
| 12. | 6V-1195 | [2] | SEAL-O-RING | |
| 13. | 6I-4669 | [1] | TUBE AS (LH) | |
| 14. | 107-5531 C | [1] | TUBE AS | |
| 15. | 4P-8949 | [2] | GEAR (47 TEETH EACH) | |
| 16. | 7H-3472 | [1] | BOLT (7/16-14X4.75-IN) | |
| 17. | 2T-2416 C | [1] | CONNECTOR | |
| 18. | 1T-0416 | [12] | BOLT (5/16-18X0.75-IN) | |
| 19. | 4P-4943 | [2] | RING-RETAINING | |
| 20. | 5F-7403 | [2] | LOCKWASHER | |
| 21. | 4P-4975 | [2] | ADAPTER | |
| 22. | 2D-8822 | [4] | STUD-TAPERLOCK (5/8-11X2.36-IN) | |
| 23. | 5F-7404 | [2] | LOCKNUT-BEARING | |
| 24. | 6V-7725 | [3] | BEARING AS-ROLLER | |
| 25. | 122-3772 | [2] | SEAL-O-RING | |
| 26. | 122-3771 | [2] | SEAL-O-RING | |
| 27. | 4P-4974 | [2] | ADAPTER AS | |
| (EACH INCLUDES) | ||||
| 28. | 1T-0550 | [1] | PIN-SPRING | |
| 29. | 7W-6534 | [1] | PLUG-PIPE | |
| 30. | 4P-1966 | [1] | GEAR-CRANKSHAFT (50-TEETH) | |
| 31. | 4P-1962 | [1] | GEAR-IDLER (30-TEETH) | |
| 32. | 0S-1594 | [2] | BOLT (3/8-16X1-IN) | |
| 33. | 4P-1961 | [1] | GEAR-IDLER (33-TEETH) | |
| 34. | 9X-6458 | [2] | WASHER-HARD (10.2X22.5X3-MM THK) | |
| 35. | 5P-8244 | [3] | WASHER-HARD (12X22.5X2.5-MM THK) | |
| 36. | 1A-5964 | [2] | BOLT (3/8-16X4.5-IN) | |
| 37. | 5M-2894 | [5] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 38. | 2W-8038 | [1] | GEAR-CAMSHAFT (44-TEETH) | |
| 39. | 1B-9575 | [4] | BOLT (5/16-18X1.56-IN) | |
| 40. | 4P-2231 | [1] | GEAR-PUMP DRIVE (22 TEETH) | |
| 41. | 4P-2230 | [1] | ADAPTER-PUMP DRIVE | |
| 42. | 9X-7371 | [1] | SEAL-O-RING | |
| 43. | 4N-1720 | [1] | COVER-BALANCE WEIGHT | |
| 44. | 7N-1564 | [1] | WASHER-THRUST | |
| 45. | 106-1116 | [1] | GEAR-BALANCER (50 TEETH) | |
| 46. | 122-9860 C | [2] | SHAFT-IDLER GEAR | |
| 47. | 106-1543 | [1] | SHAFT-IDLER GEAR | |
| 48. | 124-1859 | [1] | SEAL-O-RING | |
| 49. | 3G-2292 | [4] | BOLT-LOCKING (3/8-16X0.87-IN) | |
| 50. | 5B-5059 | [2] | BOLT (7/16-14X5-IN) | |
| 51. | 4N-0848 | [1] | SLEEVE-WEAR | |
| 52. | 4P-1960 | [1] | GEAR-IDLER (37-TEETH) | |
| 53. | 106-1542 | [1] | SHAFT-IDLER GEAR | |
| 54. | 4N-0684 | [1] | DOWEL | |
| 55. | 3P-7313 | [1] | RING-RETAINING | |
| 56. | 4N-1186 | [2] | BUSHING | |
| 57. | 9S-8752 | [2] | NUT-FULL (3/8-16-THD) | |
| 58. | 8E-5292 | [3] | BEARING AS-ROLLER | |
| 59. | 124-1858 | [3] | SEAL-O-RING | |
| 60. | 5H-0793 | [3] | RING-LOCK | |
| 61. | 6V-4365 | [2] | SEAL-O-RING | |
| 62. | 8L-2777 | [3] | SEAL-O-RING | |
| 63. | 9F-7882 | [1] | PIN-SPRING | |
| 64. | 502-4034 | [1] | SEAL-O-RING | |
| C | CHANGE FROM PREVIOUS TYPE | |||
#SEBP52510031
5R-4412: GEAR GP-REAR
5R-4412 GEAR GP-REAR
S/N 99C9850-UP
S/N 99C9850-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8N-0935 | [1] | GEAR (22-TEETH) | |
| 2. | 502-4034 | [1] | SEAL-O-RING | |
| 3. | 2W-7609 | [1] | GEAR (64-TEETH) | |
| (PUMP DRIVE-LH) | ||||
| 4. | 2W-7610 | [1] | GEAR (64-TEETH) | |
| (PUMP DRIVE-RH) | ||||
| 5. | 2W-7611 | [1] | GEAR-BALANCER (64-TEETH) | |
| 6. | 2W-7615 | [1] | GEAR-IDLER (64-TEETH) | |
| 7. | 2W-7675 | [1] | GEAR-CRANKSHAFT (64-TEETH) | |
| 8. | 2W-8038 | [1] | GEAR-CAMSHAFT (44-TEETH) | |
| 9. | 3L-2875 | [1] | CLIP | |
| 10. | 4N-0684 | [1] | DOWEL | |
| 11. | 4N-0848 | [1] | SLEEVE-WEAR | |
| 12. | 4N-1232 | [1] | WASHER-RETAINING | |
| 13. | 4N-1235 | [2] | SHAFT-IDLER GEAR | |
| 14. | 4N-1720 | [1] | COVER-BALANCE WEIGHT | |
| 15. | 4N-7183 | [2] | RING-RETAINING | |
| 16. | 5F-7403 | [1] | LOCKWASHER | |
| 17. | 5F-7404 | [1] | LOCKNUT-BEARING | |
| 18. | 5K-9065 | [2] | RING-RETAINING | |
| 19. | 5P-1370 | [2] | BEARING AS-ROLLER | |
| 20. | 7N-1564 | [1] | WASHER-THRUST | |
| 21. | 7N-1565 | [1] | ADAPTER | |
| 22. | 7N-5659 | [1] | TUBE AS | |
| 23. | 8N-7806 I | [1] | HOSE AS | |
| 24. | 9F-7882 | [1] | PIN-SPRING | |
| 25. | 9Y-9929 | [2] | ADAPTER AS | |
| (EACH INCLUDES) | ||||
| 1T-0550 | [2] | PIN-SPRING | ||
| 8N-0634 | [1] | ADAPTER-HYDRAULIC PUMP | ||
| 26. | 030-8194 | [1] | CONNECTOR | |
| 27. | 032-1267 | [1] | CONNECTOR (STRAIGHT) | |
| 28. | 0L-1351 | [2] | BOLT (3/8-16X0.875-IN) | |
| 29. | 0S-1588 | [1] | BOLT (3/8-16X1.25-IN) | |
| 30. | 1A-2029 | [13] | BOLT (3/8-16X1.125-IN) | |
| 31. | 1B-9575 | [4] | BOLT (5/16-18X1.56-IN) | |
| 32. | 1D-4566 | [8] | BOLT (1/2-13X3.5-IN) | |
| 33. | 1T-0720 | [12] | BOLT-12 POINT HEAD (3/8-16X1.25-IN) | |
| 34. | 2D-6398 | [1] | RING-RETAINING | |
| 35. | 2N-1287 | [1] | ELBOW-FLARED | |
| 36. | 3G-2292 C | [4] | BOLT-LOCKING (3/8-16X0.87-IN) | |
| 37. | 4M-5317 | [1] | BUSHING-REDUCER | |
| 38. | 4N-1186 | [2] | BUSHING | |
| 39. | 5M-2894 | [11] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 40. | 5P-4479 | [1] | ELBOW (FLARED-LONG) | |
| 41. | 5P-8247 | [4] | WASHER-HARD (17X32X3.5-MM THK) | |
| 42. | 5P-8429 | [2] | SEAL-O-RING | |
| 43. | 6V-4589 | [1] | SEAL-O-RING | |
| 44. | 6V-7423 | [2] | BEARING AS-ROLLER | |
| 45. | 9S-8752 | [2] | NUT-FULL (3/8-16-THD) | |
| 46. | 9X-7371 | [1] | SEAL-O-RING | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
#SEBP52510032
141-8917: HOUSING GP-FLYWHEEL
141-8917 HOUSING GP-FLYWHEEL
S/N 99C9764-UP
S/N 99C9764-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 215-2016 | [1] | HOUSING AS-FLYWHEEL | |
| 1W-3136 | [1] | BAFFLE | ||
| 161-7293 | [1] | GASKET-CYLINDER | ||
| 2. | 9S-8002 | [8] | PLUG (7/16-20-THD) | |
| 3. | 5F-4899 | [5] | BOLT (3/8-16X5.5-IN) | |
| 4. | 5M-2894 | [4] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 5. | 0S-1594 | [4] | BOLT (3/8-16X1-IN) | |
| 6. | 1A-5964 | [4] | BOLT (3/8-16X4.5-IN) | |
| 7. | 0S-1619 | [2] | BOLT (3/8-16X3-IN) | |
| 8. | 1A-2029 | [2] | BOLT (3/8-16X1.125-IN) | |
| 9. | 2H-6488 | [8] | BOLT (1/2-13X5-IN) | |
| 10. | 234-8937 | [2] | SEAL-INTEGRAL | |
| 12. | 7X-7731 | [1] | PLUG-PIPE (3/4-14-THD) | |
| 13. | 2M-4779 | [2] | STUD-TAPERLOCK (3/8-16X1.75-IN) | |
| 14. | 6V-5048 | [8] | SEAL-O-RING | |
| 15. | 2P-2772 | [2] | COVER | |
| 16. | 8T-6765 | [2] | PLUG-PIPE (1/4-18-THD) | |
| 17. | 4C-9612 B | SEALANT-SILICONE | ||
| B | USE AS REQUIRED | |||
#SEBP52510033
273-4183: HOUSING GP-FLYWHEEL
273-4183 HOUSING GP-FLYWHEEL
S/N 99C9850-UP
S/N 99C9850-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 105-6138 | [1] | HOUSING AS-FLYWHEEL | |
| 105-6140 | [1] | HOUSING-FLYWHEEL | ||
| 1A. | 1W-3136 | [1] | BAFFLE | |
| 2. | 0S-1619 | [4] | BOLT (3/8-16X3-IN) | |
| 3. | 161-7293 | [1] | GASKET-CYLINDER | |
| 4. | 9M-4225 | [2] | BOLT (3/8 NCX4 3/8) | |
| 5. | 1A-5964 | [2] | BOLT (3/8-16X4.5-IN) | |
| 6. | 2P-2772 | [2] | COVER | |
| 7. | 4N-0933 | [2] | GASKET | |
| 8. | 1A-2029 | [2] | BOLT (3/8-16X1.125-IN) | |
| 9. | 5M-2894 | [16] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 10. | 8T-6765 | [3] | PLUG-PIPE (1/4-18-THD) | |
| 11. | 5P-8245 | [8] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 12. | 0S-1588 | [6] | BOLT (3/8-16X1.25-IN)(MARKED Y) | |
| 13. | 3S-0036 | [2] | PLUG-CORE | |
| 14. | 3D-2871 | [2] | STUD-TAPERLOCK (3/8-16X1.5-IN) | |
| 15. | 8T-6761 | [1] | PLUG-PIPE (1-11-1/2 NPT THD) | |
| 16. | 0L-1352 | [1] | BOLT (3/8-16X3.25-IN) | |
| 17. | 8M-9124 | [1] | WASHER (10X22.5X8-MM THK) | |
| 18. | 2H-6488 | [8] | BOLT (1/2-13X5-IN)(MARKED X) | |
| 19. | 5F-0304 | [1] | PLUG (FLYWHEEL HOUSING OIL DRAIN) | |
| 20. | 2A-1162 | [1] | GASKET | |
| 21. | 4C-9612 B | SEALANT-SILICONE | ||
| B | USE AS REQUIRED | |||
#SEBP52510034
126-7280: HOUSING GP-FRONT
126-7280 HOUSING GP-FRONT
S/N 99C9764-9909
S/N 99C9764-9909
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 172-9313 | [1] | HOUSING-TIMING GEAR | |
| 2. | 166-9145 | [1] | GASKET-CYLINDER BLOCK | |
| 3. | 129-6628 Y | [1] | SENSOR GP-SPEED (SECONDARY, TIMING) | |
| 3A. | 129-6628 Y | [1] | SENSOR GP-SPEED (PRIMARY, TIMING) | |
| 4. | 0T-0573 | [3] | BOLT (3/8-16X2.75-IN)(MARKED Y) | |
| 5. | 0L-1352 | [2] | BOLT (3/8-16X3.25-IN)(MARKED X) | |
| 6. | 5M-2894 | [6] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 7. | 3K-3256 | [2] | STUD-TAPERLOCK (3/8-16X1.7-IN) | |
| 8. | 2K-4973 | [1] | LOCKNUT (3/8-16-THD) | |
| Y | SEPARATE ILLUSTRATION | |||
#SEBP52510035
126-7280: HOUSING GP-FRONT
126-7280 HOUSING GP-FRONT
S/N 99C9910-UP
S/N 99C9910-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 172-9313 | [1] | HOUSING-TIMING GEAR | |
| 2. | 166-9145 | [1] | GASKET-CYLINDER BLOCK | |
| 3. | 265-9033 CY | [1] | SENSOR GP-SPEED (SECONDARY, TIMING) | |
| 3A. | 265-9033 CY | [1] | SENSOR GP-SPEED (PRIMARY, TIMING) | |
| 4. | 0T-0573 | [3] | BOLT (3/8-16X2.75-IN)(MARKED Y) | |
| 5. | 0L-1352 | [2] | BOLT (3/8-16X3.25-IN)(MARKED X) | |
| 6. | 5M-2894 | [6] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 7. | 3K-3256 | [2] | STUD-TAPERLOCK (3/8-16X1.7-IN) | |
| 8. | 2K-4973 | [1] | LOCKNUT (3/8-16-THD) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP52510036
124-4461: LIFTING GP-ENGINE
124-4461 LIFTING GP-ENGINE
S/N 99C9764-UP
S/N 99C9764-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS#SEBP52510037
126-7279: LIFTING GP-ENGINE
126-7279 LIFTING GP-ENGINE
S/N 99C9850-UP
S/N 99C9850-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS#SEBP52510038
6I-3744: PAN GP-OIL
6I-3744 PAN GP-OIL -ENGINE
S/N 99C9764-UP
S/N 99C9764-UP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS#SEBP52510039
192-8808: PISTON & ROD GP
Parts for your 988B WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 192-2208 N | [1] | BODY AS-PISTON | |
| 2. | 524-7118 | [1] | PIN-PISTON | |
| 3. | 7E-5665 N | [2] | RETAINER-PIN | |
| 4. | 160-8178 | [1] | ROD AS-CONNECTING | |
| 4A. | 4P-8495 N | [1] | BUSHING | |
| 4B. | 8L-3441 | [2] | NUT (9/16-18-THD) | |
| 4C. | 6N-8942 | [2] | BOLT-CONNECTING ROD | |
| 5. | 328-5574 H | [1] | BEARING-CONNECTING ROD (STANDARD) | |
| 4W-5702 ABJ | BEARING-CONNECTING ROD (0.635-MM US) | |||
| 4W-5703 ABL | BEARING-CONNECTING ROD (1.27-MM US) | |||
| 6. | 134-3761 N | [1] | RING-PISTON (TOP) | |
| 7. | 192-8807 N | [1] | RING-INTERMEDIATE | |
| 8. | 213-7454 N | [1] | RING-PISTON (OIL CONTROL) | |
| 9. | 173-0147 | [1] | JET AS-PISTON COOLING | |
| 10. | 150-1156 | [1] | BOLT-SPECIAL (OIL JET) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 9Y-6188 ABHPS | KIT-ROD BEARING (STANDARD) | |||
| 9Y-6189 ABJPS | KIT-ROD BEARING (0.635-MM US) | |||
| 9Y-6190 ABLPS | KIT-ROD BEARING (1.27-MM US) | |||
| 442-4728 ABN | [1] | KIT-PISTON | ||
| (INCLUDES RINGS, BUSHING, PISTON BODY ASSEMBLY, RETAINER, LINER, SINGLE CYLINDER LINER GASKET KIT) | ||||
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
| H | KIT MARKED H INCLUDES SIX OF PART MARKED H | |||
| J | KIT MARKED J INCLUDES SIX OF PART MARKED J | |||
| L | KIT MARKED L INCLUDES SIX OF PART MARKED L | |||
| N | KIT MARKED N SERVICES PART(S) MARKED N | |||
| P | QTY OF 2 KITS REQUIRED FOR 3412 ENGINE | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| S | NOT FOR USE WITH 3408 | |||
Information:
BASIC ENGINE
GEAR GP
Engine News
Specifications
Reuse And Salvage Guidelines
Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}
Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}
Reuse and Salvage for Gear Train and Gear Shafts on Engines {0679, 1151, 1162, 1206}
Testing and Adjusting
Disassembly and Assembly
Service Magazine
Caterpillar Parts SIS Catalog 988B :
Truck sale:
Caterpillar 988B, Wheel Loaders, Construction
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy




