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6E-2921 VALVE GP-RELIEF -MAIN S/N 50W10458-UP PART OF 6E-2920 VALVE GP-MANIFOLD & RELIEF 988B WHEEL LOADER


HYDRAULIC SYSTEM
VALVE GP-RELIEF
VALVE GP-SELECTOR
VALVE GP-SELECTOR & PRESS CONT

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

HYDRAULIC SYSTEM

VALVE GP-RELIEF
VALVE GP-RELIEF
6E-1145 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-1152 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-2921 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-6188 VALVE GP-RELIEF
VALVE GP-RELIEF
8J-2312 VALVE GP-RELIEF
VALVE GP-RELIEF
8J-7405 VALVE GP-RELIEF
 

#SEBP13880760
 

6E-2921: VALVE GP-RELIEF

6E-2921 VALVE GP-RELIEF -MAIN
S/N 50W10458-UP
PART OF 6E-2920 VALVE GP-MANIFOLD & RELIEF
i00169250 SEBP1388
6E2921 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-3429 [1] PLUG  
2. 3J-7473 B [12] SHIM (0.12-MM THK)  
  6E-2918 B [2] SPACER (2-MM THK)  
3. 4J-5267 [1] SEAL-O-RING  
4. 8J-2310 [1] BODY-VALVE  
6. 4J-0522 [1] SEAL-O-RING  
7. 7J-9108 [1] SEAL-O-RING  
8. 4J-0526 [1] SEAL-O-RING  
9. 4J-0519 [1] SEAL-O-RING  
10. 6V-4432 [2] BOLT (1/2-13X4-IN)  
  8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
11. 6J-3405 [1] SEAT  
12. 9J-8621 [1] VALVE GP  
13. 5J-4664 [1] SPRING  
14. 4J-0523 [1] SEAL-O-RING  
15. 3G-7402 [1] SPRING  
16. 6E-2919 [1] VALVE GP  
  8J-2309 [1] SEAT-VALVE  
  [1] VALVE  
  B   USE AS REQUIRED
 

#SEBP13880761
 

6E-6188: VALVE GP-RELIEF

6E-6188 VALVE GP-RELIEF -LINE
S/N 50W6041-99999
PART OF 9T-1483 VALVE GP-MAIN CONTROL
i00169262 SEBP1388
6E6188 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7M-8485 [2] SEAL-O-RING  
2. 4J-0522 [1] SEAL-O-RING  
3. 4T-2770 [1] SPRING  
4. 3K-0360 [1] SEAL-O-RING  
5. 4Y-5812 [1] PLATE  
6. 6E-5510 [1] RETAINER AS  
7. 9X-6395 [1] NUT (3/4-16-THD)  
8. 6E-1127 [1] CAP  
9. 8J-0331 [1] VALVE  
10. 6E-6138 [1] VALVE GP-RELIEF (MAIN)  
  8H-3532 [1] SPRING-VALVE  
11. 7J-2546 [1] PISTON  
 

#SEBP13880762
 

8J-2312: VALVE GP-RELIEF

8J-2312 VALVE GP-RELIEF
S/N 50W6041-10457
PILOT OPERATED
PART OF 3G-3310 VALVE GP
i00424766 SEBP1388
8J2312 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3J-3429 [1] PLUG  
2. 3J-7470 B [2] SHIM (1.22-MM THK)  
  3J-7473 B [12] SHIM (0.12-MM THK)  
3. 4J-5267 [1] SEAL-O-RING  
4. 6J-1311 [1] ROD  
5. 3G-7403 C [1] VALVE GP  
6. 4J-0522 [1] SEAL-O-RING  
7. 7J-9108 [1] SEAL-O-RING  
8. 4J-0526 [1] SEAL-O-RING  
9. 4J-0519 [1] SEAL-O-RING  
10. 0S-1573 [2] BOLT (1/2-13X4-IN)  
  3B-4508 [2] LOCKWASHER  
11. 6J-3405 [1] SEAT  
12. 9J-8621 [1] VALVE GP  
13. 5J-4664 [1] SPRING  
14. 4J-0523 [1] SEAL-O-RING  
15. 3G-7402 C [1] SPRING  
16. 8J-2310 [1] BODY-VALVE  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13880763
 

8J-7405: VALVE GP-RELIEF

8J-7405 VALVE GP-RELIEF
S/N 50W6041-10580
PART OF 8V-4401 LINES GP-PILOT
i00425655 SEBP1388
8J7405 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1T-0720 [2] BOLT-12 POINT HEAD (3/8-16X1.25-IN)  
2. 9T-4897 [1] RETAINER-VALVE  
3. 5P-7972 C [1] BOLT-12 POINT HEAD (7/16-14X1.75-IN)  
4. 5P-1893 C [2] BOLT-12 POINT HEAD (7/16-14X3.5-IN)  
5. 4B-4158 [1] SCREW-DRIVE (NO 4X0.25-IN)  
6. 1K-4066 [1] SPRING  
7. 4J-8996 [2] SEAL-O-RING  
8. 6J-3134 [1] SEAL-O-RING  
9. 6V-8183 [1] NUT-FULL (3/8-24-THD)  
10. 8J-1752 [1] PLUNGER  
11. 5H-6005 [1] SEAL-O-RING  
12. 4J-5267 [2] SEAL-O-RING  
13. 7L-8695 [1] SPRING  
14. 9S-8002 [1] PLUG (7/16-20-THD)  
15. 3J-7354 [1] SEAL-O-RING  
16. 8J-8838 [1] VALVE GP  
17. 3K-9077 C [2] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP13880764
 

9J-8225: VALVE GP-RELIEF

9J-8225 VALVE GP-RELIEF
S/N 50W6041-99999
PART OF 8J-2318 VALVE GP-STEERING
i00092189 SEBP1388
9J8225 VALVE GP-RELIEF Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1J-8497 [1] VALVE  
2. 6J-0428 [1] SEAT-PILOT  
 

#SEBP13880765
 

6E-2469: VALVE GP-SELECTOR

6E-2469 VALVE GP-SELECTOR
S/N 50W10274-10457
PART OF 7V-0366 VALVE & LINES GP-HYD CONTROL
i00398233 SEBP1388
6E2469 VALVE GP-SELECTOR Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-3830 [1] PLUG  
2. 8J-2646 [1] VALVE GP  
3. 6E-2117 [1] SPRING  
4. 6E-3184 [1] PLUG  
5. 7M-8485 [2] SEAL-O-RING  
 

#SEBP13880766
 

6E-2469: VALVE GP-SELECTOR

6E-2469 VALVE GP-SELECTOR
S/N 50W10458-99999
PART OF 7V-0366, 8R-0597 VALVE & LINES GP-HYD CONTROL
i00539844 SEBP1388
6E2469 VALVE GP-SELECTOR Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-3830 [1] PLUG  
2. 7M-8485 [2] SEAL-O-RING  
3. 6E-2117 [1] SPRING  
4. 6E-3184 [1] PLUG  
 

#SEBP13880767
 

8J-2602: VALVE GP-SELECTOR

8J-2602 VALVE GP-SELECTOR
S/N 50W6041-10273
PART OF 7V-0366 VALVE & LINES GP-HYD CONTROL
i00090200 SEBP1388
8J2602 VALVE GP-SELECTOR Parts scheme
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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8J-2645 [1] BODY-VALVE SELECTOR  
2. [1] STEM  
3. 8J-3830 [2] PLUG  
4. 8J-3831 [1] SPRING  
 

#SEBP13880768
 

6Y-2343: VALVE GP-SELECTOR & PRESS CONT

6Y-2343 VALVE GP-SELECTOR & PRESS CONT
S/N 1JE760-UP
PART OF 6Y-2344 VALVE GP
i00193019 SEBP1388
6Y2343 VALVE GP-SELECTOR & PRESS CONT Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7G-4291 [1] SPOOL AS-RELIEF  
2. 4B-9880 [1] BALL  
  3D-8317 [1] RING-RETAINING  
  8M-1013 [1] RETAINER  
  4M-2381 [1] SPRING  
3. 9P-3041 [1] SPRING (INNER)  
4. 7G-4842 [1] SPRING (OUTER)  
5. 6P-4971 [2] STOP  
6. 1J-5353 [2] PIN-SPRING  
7. 9G-5301 [1] PISTON-LOAD  
8. 2H-2995 [1] SETSCREW (10-24X0.438-IN)  
9. 5M-9622 B [1] SHIM (1.6-MM THK)  
  5M-9623 B [1] SHIM (0.9-MM THK)  
  5M-9624 B [3] SHIM (0.25-MM THK)  
10. 6P-4938 [1] COVER  
11. 6F-6673 [2] SEAL-O-RING  
12. 9W-9831 [1] ORIFICE-SCREEN  
  5H-8853 [1] SEAL-O-RING  
13. 2B-2695 [3] BOLT (5/16-18X0.875-IN)  
14. 6P-9785 [1] SPRING  
15. 6Y-2280 [1] SPOOL AS-DIFFERENTIAL  
  3P-8485 [1] RING-RETAINING  
16. 6P-9786 [1] RETAINER  
17. 6P-9783 [1] SPRING (INNER)  
18. 6P-9784 [1] SPRING (OUTER)  
19. 7G-2546 [1] SPOOL-DIRECTION SELECTOR  
20. 2S-4872 [1] STOP  
21. 2A-3746 [1] PLUG-CUP  
22. 6P-4978 [1] SPRING  
23. 5S-7816 [1] SLUG  
24. 6P-4943 [1] SPOOL-RATIO  
25. 7S-4607 [4] DETENT AS  
  1P-8116 [4] SEAL-O-RING  
26. 8P-6321 [1] DOWEL  
27. 2M-7041 [1] SLUG  
28. 6P-4940 [1] STOP  
29. 6P-4935 [1] SPOOL-SPEED SELECTOR  
30. 7G-9565 [1] BODY AS  
  7G-9562 [1] PLUG-ORIFICE  
31. 2S-0696 [2] DOWEL  
  B   USE AS REQUIRED
 

#SEBP13880769
 

6Y-2343: VALVE GP-SELECTOR & PRESS CONT

6Y-2343 VALVE GP-SELECTOR & PRESS CONT
S/N 1JE760-99999
PART OF 6Y-2344 VALVE GP
i00166721 SEBP1388
6Y2343 VALVE GP-SELECTOR & PRESS CONT Parts scheme
  For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9W-5567 C [1] SPOOL AS-RELIEF  
2. 4B-9880 [1] BALL  
  3D-8317 [1] RING-RETAINING  
  8M-1013 [1] RETAINER  
  4M-2381 [1] SPRING  
3. 9P-3041 [1] SPRING (INNER)  
4. 7G-4842 [1] SPRING (OUTER)  
5. 6P-4971 [2] STOP  
6. 1J-5353 [2] PIN-SPRING  
7. 8E-3026 [1] PISTON-LOAD  
8. 2H-2995 [1] SETSCREW (10-24X0.438-IN)  
9. 5M-9622 B [1] SHIM (1.6-MM THK)  
  5M-9623 B [1] SHIM (0.9-MM THK)  
  5M-9624 B [3] SHIM (0.25-MM THK)  
10. 6P-4938 [1] COVER  
11. 6F-6673 [2] SEAL-O-RING  
12. 9W-9831 [1] ORIFICE-SCREEN  
  5H-8853 [1] SEAL-O-RING  
13. 2B-2695 [3] BOLT (5/16-18X0.875-IN)  
14. 6P-9785 [1] SPRING  
15. 6Y-2280 [1] SPOOL AS-DIFFERENTIAL  
  3P-8485 [1] RING-RETAINING  
16. 6P-9786 [1] RETAINER  
17. 6P-9783 [1] SPRING (INNER)  
18. 6P-9784 [1] SPRING (OUTER)  
19. 7G-2546 [1] SPOOL-DIRECTION SELECTOR  
20. 2S-4872 [1] STOP  
21. 2A-3746 [1] PLUG-CUP  
22. 6P-4978 [1] SPRING  
23. 5S-7816 [1] SLUG  
24. 6P-4943 [1] SPOOL-RATIO  
25. 7S-4607 [4] DETENT AS  
  1P-8116 [4] SEAL-O-RING  
26. 8P-6321 [1] DOWEL  
27. 9W-5568 C [1] SLUG  
28. 6P-4940 [1] STOP  
29. 6P-4935 [1] SPOOL-SPEED SELECTOR  
30. 7G-9565 [1] BODY AS  
  7G-9562 [1] PLUG-ORIFICE  
31. 2S-0696 [2] DOWEL  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Caterpillar Parts SIS Catalog 988B :

VALVE GP-RELIEF
6E-1152 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-1145 VALVE GP-RELIEF
VALVE GP-RELIEF
6E-1123 VALVE GP-RELIEF
VALVE GP-RELIEF
3G-2627 VALVE GP-RELIEF
VALVE GP-PRESSURE REDUCING
1U-1100 VALVE GP-PRESSURE REDUCING
VALVE GP-PRESSURE CONTROL
7J-3767 VALVE GP-PRESSURE CONTROL
VALVE GP-PILOT
9J-4944 VALVE GP-PILOT
VALVE GP-PILOT
9J-4138 VALVE GP-PILOT
VALVE GP-RELIEF
6E-6188 VALVE GP-RELIEF
VALVE GP-RELIEF
8J-2312 VALVE GP-RELIEF
VALVE GP-RELIEF
8J-7405 VALVE GP-RELIEF
VALVE GP-RELIEF
9J-8225 VALVE GP-RELIEF
VALVE GP-SELECTOR
6E-2469 VALVE GP-SELECTOR
VALVE GP-SELECTOR
6E-2469 VALVE GP-SELECTOR
VALVE GP-SELECTOR
8J-2602 VALVE GP-SELECTOR
VALVE GP-SELECTOR & PRESS CONT
6Y-2343 VALVE GP-SELECTOR & PRESS CONT

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