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4P-3581 GEAR GP-REAR S/N 99C9764-UP 988B WHEEL LOADER




BASIC ENGINE

GEAR GP
 

#SEBP52510030
 

4P-3581: GEAR GP-REAR

4P-3581 GEAR GP-REAR
S/N 99C9764-UP
i00169218 SEBP5251
  For full view, you need register

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
i00166705 SEBP5251
  For full view, you need register

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
i02761606 SEBP5251
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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
i02408220 SEBP5251
  For full view, you need register

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
i00089941 SEBP5251
  For full view, you need register

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
i02564496 SEBP5251
  For full view, you need register

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
i00089920 SEBP5251
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-8245 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
2. 118-8475 [1] BRACKET-LIFTING (RH)  
3. 7B-3235 [8] BOLT (1/2-13X1.375-IN)  
4. 118-9115 [1] BRACKET-LIFTING (LH)  
 

#SEBP52510037
 

126-7279: LIFTING GP-ENGINE

126-7279 LIFTING GP-ENGINE
S/N 99C9850-UP
i00093597 SEBP5251
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-8245 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
2. 118-8475 [2] BRACKET-LIFTING  
3. 7B-3235 [8] BOLT (1/2-13X1.375-IN)  
 

#SEBP52510038
 

6I-3744: PAN GP-OIL

6I-3744 PAN GP-OIL -ENGINE
S/N 99C9764-UP
i00093427 SEBP5251
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 115-6914 [1] PAN-OIL (ENGINE OIL)  
2. 4N-1151 [1] GASKET (ENGINE OIL PAN)  
3. 2P-3203 [32] BOLT-WASHER HEAD (3/8-16X1.25-IN)  
4. 8T-6761 [3] PLUG-PIPE (1-11-1/2 NPT THD)  
 

#SEBP52510039
 

192-8808: PISTON & ROD GP

192-8808 PISTON & ROD GP
S/N 99C9764-UP
15.5:1 RATIO
i01404352 SEBP5251
  For full view, you need register

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:

Engine News
Specifications
Crankshaft Rear Gear
3408 VEHICULAR ENGINE
Front Timing Gears
3408 VEHICULAR ENGINE
Rear Gear Group
3408 VEHICULAR ENGINE
Timing Gear Housing
3408 VEHICULAR ENGINE
Gear Group (Front)
3408E and 3412E Engines for Caterpillar Built Machines
Gear Group (Rear)
3408E and 3412E Engines for Caterpillar Built Machines
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}
Testing and Adjusting
Gear Group (Front) - Time
3408E and 3412E Engines for Caterpillar Built Machines
Gear Group - Inspect
3408E and 3412E Engines for Caterpillar Built Machines
Disassembly and Assembly
Crankshaft Front Seal And Wear Sleeve
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gear Cover
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gears
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Crankshaft Rear Gear
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Crankshaft Front Seal And Wear Sleeve
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gear Cover
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Timing Gears
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Crankshaft Rear Gear
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER
Gear Group (Front) - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Gear Group (Front) - Install
3408E and 3412E Engines for Caterpillar Built Machines
Gear Group (Rear) - Remove
3408E and 3412E Engines for Caterpillar Built Machines
Gear Group (Rear) - Install
3408E and 3412E Engines for Caterpillar Built Machines
Service Magazine

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