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5R-4412 GEAR GP-REAR S/N 48W15479-17707 PART OF 8N-1843 ENGINE AR 988B WHEEL LOADER


BASIC ENGINE
GEAR GP
HOUSING GP-FLYWHEEL
GEAR GP
ENGINE ARRANGEMENT
ENGINE AR

WHEEL LOADER 988B WHEEL LOADER 50W
 988B Wheel Loader 50W06041-UP (MACHINE) POWERED BY 3408 Engine SEBP1388 988B 50W   (1976)

BASIC ENGINE

GEAR GP
GEAR GP-FRONT
126-7281 GEAR GP-FRONT
GEAR GP-FRONT
7N-2840 GEAR GP-FRONT
GEAR GP-REAR
4N-4302 GEAR GP-REAR
GEAR GP-REAR
5R-4412 GEAR GP-REAR
GEAR GP-REAR
5R-4412 GEAR GP-REAR
HOUSING GP-FRONT
126-7280 HOUSING GP-FRONT
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
HOUSING GP-FRONT
7W-6463 HOUSING GP-FRONT
 

#SEBP13880080
 

5R-4412: GEAR GP-REAR

5R-4412 GEAR GP-REAR
S/N 48W15479-17707
PART OF 8N-1843 ENGINE AR
i00194308 SEBP1388
5R4412 GEAR GP-REAR Parts scheme 5R4412 GEAR GP-REAR Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-0634 C [2] ADAPTER-HYDRAULIC PUMP  
2. 1A-2029 [11] BOLT (3/8-16X1.125-IN)  
3. 7N-1565 [1] ADAPTER  
4. 1D-4717 C [2] NUT (3/8-16-THD)  
5. 8N-0938 C [1] GEAR-BALANCER (64-TEETH)  
6. 4N-1235 [2] SHAFT-IDLER GEAR  
7. 2W-7675 C [1] GEAR-CRANKSHAFT (64-TEETH)  
8. 4N-0684 [1] DOWEL  
9. 7N-8956 C [1] GEAR-IDLER (64-TEETH)  
10. 030-8194 [1] CONNECTOR  
  2M-9780 [1] SEAL-O-RING  
11. 4H-3218 [1] CLIP  
12. 8N-7806 I [1] HOSE AS  
13. 032-1267 [1] CONNECTOR (STRAIGHT)  
14. 9F-7882 [1] PIN-SPRING  
15. 2N-1287 [1] ELBOW-FLARED  
16. 0S-1588 [1] BOLT (3/8-16X1.25-IN)  
17. 5M-2894 [3] WASHER-HARD (10.2X18.5X2.5-MM THK)  
18. 5P-4479 [1] ELBOW (FLARED-LONG)  
19. 4M-5317 [1] BUSHING-REDUCER  
20. 7N-5659 [1] TUBE AS  
21. 5F-7404 [1] LOCKNUT-BEARING  
22. 5F-7403 [1] LOCKWASHER  
23. 5P-1370 [2] BEARING AS-ROLLER  
24. 4N-1230 [2] SEAL-O-RING  
25. 4N-7183 [2] RING-RETAINING  
26. 1T-0720 [12] BOLT-12 POINT HEAD (3/8-16X1.25-IN)  
27. 8N-0936 [1] GEAR-HYDRAULIC PUMP DRIVE (64-TEETH)  
28. 1A-2029 [4] BOLT (3/8-16X1.125-IN)  
29. 5M-2894 [8] WASHER-HARD (10.2X18.5X2.5-MM THK)  
30. 4N-1232 [1] WASHER-RETAINING  
31. 8N-0937 [1] GEAR-HYDRAULIC PUMP DRIVE (64-TEETH)  
32. 4N-1720 [1] COVER-BALANCE WEIGHT  
33. 0S-1594 [4] BOLT (3/8-16X1-IN)  
34. 4N-0848 [1] SLEEVE-WEAR  
35. 5K-9065 [4] RING-RETAINING  
36. 030-0060 [4] CUP-BEARING  
37. 030-0061 [4] CONE-BEARING  
38. 1D-4566 [8] BOLT (1/2-13X3.5-IN)  
39. 2P-7554 [2] SPACER-BEARING  
40. 2P-7555 [2] SPACER-BEARING  
41. 7N-1564 [1] WASHER-THRUST  
42. 0L-1351 [2] BOLT (3/8-16X0.875-IN)  
43. 4N-1186 [2] BUSHING  
44. 5F-3106 [1] SEAL-O-RING  
45. 8N-0935 [1] GEAR (22-TEETH)  
46. 1B-9575 [4] BOLT (5/16-18X1.56-IN)  
47. 8N-0934 [1] GEAR-CAMSHAFT (44-TEETH)(54 TEETH)  
48. 2K-4472 [1] SEAL-O-RING  
49. 2D-6398 [1] RING-RETAINING  
50. 7N-1565 [1] ADAPTER  
  C   CHANGE FROM PREVIOUS TYPE
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP13880081
 

5R-4412: GEAR GP-REAR

5R-4412 GEAR GP-REAR
S/N 48W17708-99999
PART OF 136-6928, 225-0399, 2W-0988, 8N-1843 ENGINE AR
i00166705 SEBP1388
5R4412 GEAR GP-REAR Parts scheme
  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
 

#SEBP13880082
 

1W-1608: HOUSING GP-FLYWHEEL

1W-1608 HOUSING GP-FLYWHEEL
S/N 48W17317-99999
PART OF 136-6928, 2W-0988, 8N-1843 ENGINE AR
i00166616 SEBP1388
1W1608 HOUSING GP-FLYWHEEL Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-6764 B [1] PLUG-PIPE (1/8-27-THD)  
2. 161-7293 [1] GASKET-CYLINDER  
3. 0S-1619 [4] BOLT (3/8-16X3-IN)  
4. 5M-2894 [8] WASHER-HARD (10.2X18.5X2.5-MM THK)  
5. 1A-2029 [2] BOLT (3/8-16X1.125-IN)  
6. 2P-2772 [2] COVER  
7. 4N-0933 [2] GASKET  
8. 8T-6765 [5] PLUG-PIPE (1/4-18-THD)  
9. 3S-0036 [2] PLUG-CORE  
10. 3D-2871 [2] STUD-TAPERLOCK (3/8-16X1.5-IN)  
11. 0L-1352 [1] BOLT (3/8-16X3.25-IN)  
12. 8M-9124 [1] WASHER (10X22.5X8-MM THK)  
13. 2H-6488 [8] BOLT (1/2-13X5-IN)  
14. 5P-8245 [8] WASHER-HARD (13.5X25.5X3-MM THK)  
15. 8T-6761 [1] PLUG-PIPE (1-11-1/2 NPT THD)  
16. 1A-5964 [4] BOLT (3/8-16X4.5-IN)  
17. 105-6138 [1] HOUSING AS-FLYWHEEL  
  1W-3136 [2] BAFFLE  
18. 0S-1590 [6] BOLT (3/8-16X2-IN)  
  1W-3189 [6] SPACER (10X18X20-MM THK)(20MM THK)  
    -OR-
  0S-1588 [6] BOLT (3/8-16X1.25-IN)  
  5M-2894 [6] WASHER-HARD (10.2X18.5X2.5-MM THK)  
19. 2A-1162 [1] GASKET  
20. 5F-0304 [1] PLUG  
21. 4C-9612 B SEALANT-SILICONE  
22. 9X-6458 [2] WASHER-HARD (10.2X22.5X3-MM THK)  
  B   USE AS REQUIRED
 

#SEBP13880083
 

273-4183: HOUSING GP-FLYWHEEL

273-4183 HOUSING GP-FLYWHEEL
S/N 48W14354-UP
PART OF 225-0399 ENGINE AR
i02408220 SEBP1388
2734183 HOUSING GP-FLYWHEEL Parts scheme
  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
 

#SEBP13880084
 

4N-1874: HOUSING GP-FLYWHEEL

4N-1874 HOUSING GP-FLYWHEEL
S/N 48W14354-17316
PART OF 8N-1843 ENGINE AR
i00370006 SEBP1388
4N1874 HOUSING GP-FLYWHEEL Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1619 [5] BOLT (3/8-16X3-IN)  
2. 7N-9571 C [1] HOUSING-FLYWHEEL  
3. 8N-1911 C [1] GASKET-CYLINDER BLOCK  
4. 0S-1588 [6] BOLT (3/8-16X1.25-IN)  
5. 5M-6213 [4] PLUG-PIPE (1/4-18-THD)  
6. 3S-0036 [2] PLUG-CORE  
7. 5M-2894 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
8. 2P-2772 [2] COVER  
  4N-0933 [2] GASKET  
9. 1A-2029 [2] BOLT (3/8-16X1.125-IN)  
10. 1A-5964 [2] BOLT (3/8-16X4.5-IN)  
11. 0T-0055 [2] BOLT (3/8-16X4.25-IN)  
12. 3B-0551 [1] PLUG-PIPE  
13. 2H-6488 [8] BOLT (1/2-13X5-IN)  
14. 5M-6213 BC [1] PLUG-PIPE (1/4-18-THD)  
15. 5M-6214 BC [1] PLUG (1/8-27 PTF)  
16. 3D-2871 C [2] STUD-TAPERLOCK (3/8-16X1.5-IN)  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13880085
 

126-7280: HOUSING GP-FRONT

126-7280 HOUSING GP-FRONT
S/N 48W14354-UP
PART OF 225-0399 ENGINE AR
i00089941 SEBP1388
1267280 HOUSING GP-FRONT Parts scheme
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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
 

#SEBP13880086
 

4N-5226: HOUSING GP-FRONT

4N-5226 HOUSING GP-FRONT
S/N 48W14354-19705; 48W20166-23880
TIMING GEAR
PART OF 2W-0988, 8N-1843 ENGINE AR
i00107924 SEBP1388
4N5226 HOUSING GP-FRONT Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-7142 C [1] HOUSING-GEAR  
2. 3K-3256 C [1] STUD-TAPERLOCK (3/8-16X1.7-IN)  
3. 0L-1352 C [2] BOLT (3/8-16X3.25-IN)  
4. 5M-2894 [5] WASHER-HARD (10.2X18.5X2.5-MM THK)  
5. 0L-1143 [3] BOLT (3/8-16X2.5-IN)  
6. 4N-1625 [1] GASKET-CYLINDER BLOCK  
7. 6F-7012 C [1] STUD-TAPERLOCK (3/8-16X1.57-IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13880087
 

4N-5226: HOUSING GP-FRONT

4N-5226 HOUSING GP-FRONT
S/N 48W23881-99999
TIMING GEAR
PART OF 136-6928, 2W-0988 ENGINE AR
i00107925 SEBP1388
4N5226 HOUSING GP-FRONT Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 166-9145 C [1] GASKET-CYLINDER BLOCK  
2. 172-9314 C [1] HOUSING-TIMING GEAR  
3. 3K-3256 [2] STUD-TAPERLOCK (3/8-16X1.7-IN)  
4. 2K-4973 [1] LOCKNUT (3/8-16-THD)  
5. 0L-1352 [2] BOLT (3/8-16X3.25-IN)  
6. 5M-2894 C [6] WASHER-HARD (10.2X18.5X2.5-MM THK)  
7. 0L-1143 [3] BOLT (3/8-16X2.5-IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13880088
 

7W-6463: HOUSING GP-FRONT

7W-6463 HOUSING GP-FRONT
S/N 48W19706-20165
TIMING GEAR
PART OF 2W-0988 ENGINE AR
i00108213 SEBP1388
7W6463 HOUSING GP-FRONT Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4W-5599 [1] GASKET-CYLINDER BLOCK  
2. 6N-5483 [1] HOUSING-GEAR  
3. 3K-3256 [1] STUD-TAPERLOCK (3/8-16X1.7-IN)  
4. 6F-7012 [1] STUD-TAPERLOCK (3/8-16X1.57-IN)  
5. 0L-1352 [2] BOLT (3/8-16X3.25-IN)  
6. 5M-2894 [5] WASHER-HARD (10.2X18.5X2.5-MM THK)  
7. 0L-1143 [3] BOLT (3/8-16X2.5-IN)  
8. 8N-3126 [1] ADAPTER  
9. 5F-0149 [1] SEAL-O-RING  
10. 8N-3524 [1] STRAP  
 

#SEBP13880089
 

452-1341: KIT-ENGINE GASKET

452-1341 KIT-ENGINE GASKET
S/N 50W6041-UP
KIT CONTAINS GASKETS, SEALS, AND BENDABLE LOCKS TO REINSTALL THE FRONT COVER.. KIT DOES NOT INCLUDE THE OIL PAN GASKET
i05850489 SEBP1388
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6N-2508 [1] GASKET  
  7C-0307 [4] GASKET  
  193-9155 [1] GASKET  
  7W-5648 [1] GASKET  
  166-9145 [1] GASKET-CYLINDER BLOCK  
  142-5867 [1] SEAL-CRANKSHAFT (FRONT)  
  234-8937 [1] SEAL-INTEGRAL  
  6V-4314 [1] SEAL-O-RING  
  9X-7371 [1] SEAL-O-RING  
  109-0072 [3] SEAL-O-RING  
  109-0076 [1] SEAL-O-RING  
  112-1579 [1] SEAL-O-RING  
  112-1580 [1] SEAL-O-RING  
  125-9794 [1] SEAL-O-RING  
  214-7568 [1] SEAL-O-RING  
  2M-9780 [1] SEAL-O-RING  
   
    FOR A LIST OF RELATED PARTS THAT MAY BE REQUIRED FOR THE ENGINE REBUILD TO THE KIT CONSIST, PLEASE VISIT
   
    HTTP://DEALER.CAT.COM/RELATED
 

Information:

Caterpillar Parts SIS Catalog 988B :

GEAR GP-REAR
4N-4302 GEAR GP-REAR
GEAR GP-FRONT
7N-2840 GEAR GP-FRONT
GEAR GP-FRONT
126-7281 GEAR GP-FRONT
FLYWHEEL GP
4N-0739 FLYWHEEL GP
FLYWHEEL GP
126-7287 FLYWHEEL GP
DRIVE GP-FAN
9Y-8722 DRIVE GP-FAN
DRIVE GP-FAN
6N-5923 DRIVE GP-FAN
DAMPER GP
4N-1560 DAMPER GP
GEAR GP-REAR
5R-4412 GEAR GP-REAR
HOUSING GP-FLYWHEEL
1W-1608 HOUSING GP-FLYWHEEL
HOUSING GP-FLYWHEEL
273-4183 HOUSING GP-FLYWHEEL
HOUSING GP-FLYWHEEL
4N-1874 HOUSING GP-FLYWHEEL
HOUSING GP-FRONT
126-7280 HOUSING GP-FRONT
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
HOUSING GP-FRONT
4N-5226 HOUSING GP-FRONT
HOUSING GP-FRONT
7W-6463 HOUSING GP-FRONT

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