3G3926 VALVE GP-SERVO S/N 81X404-462 PART OF 8J6899 HEAD-PUMP CONTROL FIELD REPLACEMENT OF 3G3925, 3G3924 ORDER 3G3928-PAGE 182 235



HYDRAULIC SYSTEM
VALVE GP-SERVO
OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
PUMP GP

EXCAVATOR 235 EXCAVATOR 81X
 235 EXCAVATOR 81X00404-UP (MACHINE) POWERED BY 3306 ENGINE SEBP1265 235 81X   (1978)

HYDRAULIC SYSTEM

VALVE GP-SERVO
VALVE GP-SERVO
4T-1945 VALVE GP-SERVO
VALVE GP-SERVO
3G-3926 VALVE GP-SERVO
 

#SEBP12650620
 

3G-3926: VALVE GP-SERVO

3G3926 VALVE GP-SERVO
S/N 81X404-462
PART OF 8J6899 HEAD-PUMP CONTROL
FIELD REPLACEMENT OF 3G3925, 3G3924 ORDER 3G3928-PAGE 182
c231687 SEBP1265
3G3926 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 8S-3159 C [1] SETSCREW-SOCKET  
2. 8J-2027 [1] SPACER  
3. 3D-8317 [1] RING-RETAINING  
4. 3G-3917 [1] STOP  
5. 3G-3916 [1] RING-RETAINING  
6. 8J-3820 [1] PISTON  
7. 8J-7335 [1] PISTON AS  
8. 8J-2040 [1] INSERT  
9. 2L-6726 [1] RING-RETAINING  
10. 8J-3801 [1] CARTRIDGE-SERVO  
11. 3G-3925 [1] SLEEVE-FOLLOW UPPER  
12. 3G-3924 [1] SPOOL-SERVO  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12650621
 

8J-6899: HEAD GP-PUMP CONTROL

8J6899 HEAD GP-PUMP CONTROL
S/N 81X404-462
3G3926-PAGE 179
PART OF 8J1905 PUMP-PISTON
c477126 SEBP1265
8J6899 HEAD GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 9S-8002 [5] PLUG-O-RING  
  3J-7354 [5] SEAL-O-RING  
2. 8J-0436 [1] HEAD-PUMP  
3. 8J-0442 [1] COVER  
4. 5K-5959 [2] SEAL-O-RING  
5. 8J-3800 [1] CARTRIDGE  
6. 8J-1898 [5] SHIM  
7. 8J-6305 [1] SPRING (OUTER)  
8. 8J-3819 [1] SPRING (INNER)  
9. 0S-1585 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
10. 8J-2029 [1] SPACER (SMALL)  
11. 8J-0444 [1] COVER  
12. 8J-2028 [1] SPACER (LARGE)  
13. 5P-1480 [6] SEAL-O-RING  
  8J-3817 [6] RING-BACK-UP  
14. 3G-3926 CY [1] VALVE GP-SERVO  
15. 8J-7334 [1] PISTON-ACTUATING  
16. 8J-3816 [1] PISTON AS  
17. 8J-0412 [1] CUP-ROLLER BEARING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12650622
 

8J-6899: HEAD GP-PUMP CONTROL

8J6899 HEAD GP-PUMP CONTROL
S/N 81X463-UP
4T1945-PAGE 179
PART OF 1U4722, 4T7026, 4T2507 PUMP-PISTON
c460652 SEBP1265
8J6899 HEAD GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 9S-8002 [5] PLUG-O-RING  
  3J-7354 [5] SEAL-O-RING  
2. 8J-0436 [1] HEAD-PUMP  
3. 8J-0442 [1] COVER  
4. 5K-5959 [2] SEAL-O-RING  
5. 8J-3800 [1] CARTRIDGE  
6. 8J-1898 B [5] SHIM  
7. 8J-6305 [1] SPRING (OUTER)  
8. 8J-3819 [1] SPRING (INNER)  
9. 0S-1595 C [2] BOLT  
  5P-7213 C [2] WASHER-HARD  
10. 8J-2029 [1] SPACER  
11. 8J-0444 [1] COVER  
12. 8J-2028 [1] SPACER  
13. 5P-1480 [6] SEAL-O-RING  
  8J-3817 [6] RING-BACK-UP  
14. 4T-1945 CY [1] VALVE GP-SERVO  
15. 8J-7334 [1] PISTON-ACTUATING  
16. 8J-3816 [1] PISTON AS  
  1U-4019 C [1] INSERT-BEARING  
17. 8J-0412 [1] CUP-ROLLER BEARING  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12650623
 

8J-1905: PUMP GP-PISTON

8J1905 PUMP GP-PISTON-2 REQUIRED-PART 1 OF 2
S/N 81X404-462
8J6899-PAGE 179A
c226691 SEBP1265
8J1905 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE  
4. 2H-6488 [4] BOLT  
5. 3B-4508 [10] LOCKWASHER  
6. 8J-6899 Y [1] HEAD GROUP  
    (Separate Illustration)
7. 9J-3526 R [1] PLATE  
8. 8J-0240 [1] GASKET  
9. 0S-1573 [4] BOLT  
10. 034-4160 [8] BOLT  
11. 3G-5750 [2] BEARING  
12. 8J-0218 [6] SHIM .14 mm(.005 in.) thick  
  8J-0217 [4] SHIM .06 mm(.002 in.) thick  
13. 3G-4779 C [1] PLATE  
14. 1D-4572 [2] BOLT  
15. 5B-5821 [2] DOWEL  
16. 1K-6985 [1] RING  
17. 3G-3150 [1] PLATE  
18. 8J-6897 [9] PISTON ASSEM.  
19. 8J-2043 [1] SPRING  
20. 9J-8667 R [1] BARREL ASSEM.  
21. 8J-0237 [2] SPACER  
22. 9M-1974 [8] WASHER  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#SEBP12650624
 

8J-1905: PUMP GP-PISTON

8J1905 PUMP GP-PISTON-2 REQUIRED-PART 2 OF 2
S/N 81X404-462
c302138 SEBP1265
8J1905 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 8J-7336 [2] LINK  
2. 2J-0157 [2] SEAL  
3. 6D-7889 [2] SEAL  
4. 9J-7243 [1] BOLT  
5. 3G-6019 C [1] BOLT  
6. 1U-4019 C [2] INSERT  
7. 8J-6276 [2] RETAINER  
8. 1S-8517 [2] RING  
9. 9S-8008 C [3] PLUG  
  3D-2824 [3] SEAL  
10. 9M-2092 [2] SEAL  
11. 8J-0123 [2] COVER  
12. 6S-2827 [2] CONE  
13. 0S-1588 [14] BOLT  
  3B-4506 [14] LOCKWASHER  
14. 8J-0220 [4] SHIM .127 mm(.005 in.) thick  
  8J-0221 [4] SHIM .05 mm(.002 in.) thick  
15. 1U-1655 C [2] SEAL  
16. 7H-2444 [2] SEAL  
17. 8J-6802 [1] SHAFT  
18. 7J-8893 [1] CONE  
19. 9J-6403 [1] RETAINER  
20. 6S-2826 [2] CUP  
21. 5B-5821 [1] DOWEL  
22. 9J-5416 [1] SWASHPLATE  
23. 1T-0284 [3] BOLT  
24. 8J-0137 [1] BODY  
25. 7J-8894 [1] CUP  
26. 1A-2223 [2] DOWEL  
27. 1D-5121 C [2] NUT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  8J-8652 [1] KIT  
    (Includes Gasket, Ring and Seals)
  C   INDICATES CHANGE
 

#SEBP12650625
 

1U-4722: PUMP GP-PISTON

1U4722 PUMP GP-PISTON-SLIPPER-2 REQUIRED-PART 1 OF 2
S/N 81X463-478
8J6899-PAGE 179B
c302139 SEBP1265
1U4722 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE  
4. 2B-2006 [4] BOLT  
5. 9M-1974 [8] WASHER  
6. 8J-6899 Y [1] HEAD GROUP  
    (Separate Illustration)
7. 9J-3526 R [1] PLATE  
8. 8J-0240 [1] GASKET  
9. 1B-2886 [4] BOLT  
10. 034-4160 [8] BOLT  
11. 3G-5750 [2] BEARING  
12. 8J-0218 B [6] SHIM .14 mm(.005 in.) thick  
  8J-0217 B [4] SHIM .06 mm(.002 in.) thick  
13. 3G-4779 [1] PLATE  
14. 6F-5282 [2] BOLT  
15. 5B-5821 [2] DOWEL  
16. 1K-6985 [1] RING  
17. 3G-3150 [1] PLATE  
18. 8J-6897 [9] PISTON ASSEM.  
19. 8J-2043 [1] SPRING  
20. 9J-8667 R [1] BARREL ASSEM.  
21. 8J-0237 [2] SPACER  
  B   USE AS REQUIRED
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12650626
 

1U-4722: PUMP GP-PISTON

1U4722 PUMP GP-PISTON-SLIPPER-2 REQUIRED-PART 2 OF 2
S/N 81X463-478
c302140 SEBP1265
1U4722 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 8J-7336 [2] LINK  
2. 2J-0157 [2] SEAL  
3. 6D-7889 [2] SEAL  
4. 9J-7243 [1] BOLT  
5. 3G-6019 [1] BOLT  
6. 1U-4019 [2] INSERT  
7. 8J-6276 [2] RETAINER  
8. 1S-8517 [2] RING  
9. 9S-8008 [3] PLUG  
  3D-2824 [3] SEAL  
10. 9M-2092 [2] SEAL  
11. 8J-0123 [2] COVER  
12. 6S-2827 [2] CONE  
13. 0S-1588 [14] BOLT  
  5M-2894 [14] WASHER  
14. 8J-0220 B [4] SHIM .127 mm(.005 in.)thick  
  8J-0221 B [4] SHIM .05 mm(.002 in.) thick  
15. 1U-1655 [2] SEAL  
16. 7H-2444 [2] SEAL  
17. 8J-6802 [1] SHAFT  
18. 7J-8893 [1] CONE  
19. 9J-6403 [1] RETAINER  
20. 6S-2826 [2] CUP  
21. 5B-5821 [1] DOWEL  
22. 9J-5416 [1] SWASHPLATE  
23. 1T-0284 [3] BOLT  
24. 8J-0137 [1] BODY  
25. 7J-8894 [1] CUP  
26. 1A-2223 [2] DOWEL  
27. 1D-5121 [2] NUT  
    THE FOLLOWING REPAIR KIT IS AVAILABLE:
  8J-8652 [1] KIT  
    (Includes Gasket, Ring and Seals)
  B   USE AS REQUIRED
 

#SEBP12650627
 

1U-4722: PUMP GP-PISTON

1U4722 PUMP GP-PISTON-SLIPPER-2 REQUIRED-PART 1 OF 2
S/N 81X479-493
8J6899-PAGE 179B
c345777 SEBP1265
1U4722 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE-ROLLER BEARING  
4. 2B-2006 [4] BOLT  
5. 9M-1974 [8] WASHER  
6. 8J-6899 Y [1] HEAD GP-PUMP CONTROL  
7. 9J-3526 R [1] PLATE-ROTATION PORT  
8. 8J-0240 [1] GASKET  
9. 1B-2886 [4] BOLT  
10. 034-4160 [8] BOLT-SELF LOCKING  
11. [2] BEARING  
12. 8J-0218 B [6] SHIM .013CM (.005IN) THK  
  8J-0217 B [4] SHIM .005CM (.002IN) THK  
13. 3G-4779 [1] PLATE-WEAR  
14. 6F-5282 [2] BOLT  
15. 5B-5821 [2] PIN-DOWEL  
16. 1K-6985 [1] RING-RETAINING  
17. 3G-3150 [1] PLATE-RETRACTION  
18. 4T-3122 R [9] PISTON AS  
19. 8J-2043 [1] SPRING  
20. 9J-8667 R [1] BARREL AS  
21. 8J-0237 [2] SPACER-SPRING  
  B   USE AS REQUIRED
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP12650628
 

1U-4722: PUMP GP-PISTON

1U4722 PUMP GP-PISTON-SLIPPER-2 REQUIRED-PART 2 OF 2
S/N 81X479-493
c305103 SEBP1265
1U4722 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 4T-1942 [2] LINK-PISTON  
2. 2J-0157 [2] SEAL-O-RING  
3. 6D-7889 [2] SEAL-O-RING  
4. 9J-7243 [1] BOLT-ANGLE STOP  
5. 3G-6019 [1] BOLT-ANGLE STOP  
6. 4T-1941 C [2] INSERT-BEARING  
7. 8J-6276 [2] RETAINER  
8. 1S-8517 [2] RING-RETAINING  
9. 9S-8008 [3] PLUG-O-RING  
  3D-2824 [3] SEAL-O-RING  
10. 9M-2092 [2] SEAL-O-RING  
11. 8J-0123 [2] COVER-TRUNNION  
12. 6S-2827 [2] CONE-ROLLER BEARING  
13. 0S-1588 [14] BOLT  
  5M-2894 [14] WASHER  
14. 8J-0220 B [4] SHIM  
    .127MM
  8J-0221 B [4] SHIM  
    .05MM
15. 1U-1655 [2] SEAL-LIP TYPE  
16. 7H-2444 [2] SEAL  
17. 8J-6802 [1] SHAFT  
18. 7J-8893 [1] CONE-ROLLER BEARING  
19. 9J-6403 [1] RETAINER-SEAL  
20. 6S-2826 [2] CUP-ROLLER BEARING  
21. 5B-5821 [1] PIN-DOWEL  
22. 9J-5416 [1] SWASHPLATE  
23. 1T-0284 [3] BOLT-SOCKET HEAD  
24. 8J-0137 [1] BODY-PUMP  
25. 7J-8894 [1] CUP-ROLLER BEARING  
26. 1A-2223 [2] DOWEL  
27. 1D-5121 [2] NUT-JAM  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP12650629
 

4T-7026: PUMP GP-PISTON

4T7026 PUMP GP-PISTON-SLIPPER-2 REQUIRED-PART 1 OF 2
S/N 81X494-499
8J6899-PAGE 179B
c311413 SEBP1265
4T7026 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 2P-9703 [1] PLATE  
2. 4B-4158 [4] SCREW  
3. 3P-1210 [1] CONE-ROLLER BEARING  
4. 2B-2006 [4] BOLT  
5. 9M-1974 [8] WASHER  
6. 8J-6899 Y [1] HEAD GP-PUMP CONTROL  
7. 9J-3526 R [1] PLATE-ROTATION PORT  
8. 8J-0240 [1] GASKET  
9. 1B-2886 [4] BOLT  
10. 034-4160 [8] BOLT-SELF LOCKING  
11. 3G-5750 [2] BEARING-PLATE  
12. 8J-0218 B [6] SHIM  
    .14MM
  8J-0217 B [4] SHIM  
    .06MM
13. 3G-4779 [1] PLATE-WEAR  
14. 6F-5282 [2] BOLT  
15. 5B-5821 [2] PIN-DOWEL  
16. 1K-6985 [1] RING-RETAINING  
17. 4T-7023 [1] PLATE-RETRACTION  
18. 4T-3122 R [9] PISTON AS  
19. 8J-2043 [1] SPRING  
20. 9J-8667 R [1] BARREL AS  
21. 8J-0237 [2] SPACER-SPRING  
  B   USE AS REQUIRED
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 235 :

VALVE GP-SERVO
4T-1945 VALVE GP-SERVO
VALVE GP-RELIEF
4T-0955 VALVE GP-RELIEF
VALVE GP-RELIEF
9J-3024 VALVE GP-RELIEF
VALVE GP-REDUCING
8J-8578 VALVE GP-REDUCING
VALVE GP-REDUCING
9J-0785 VALVE GP-REDUCING
FILTER GP
8J-7390 FILTER GP
FILTER GP-OIL
9J-1212 FILTER GP-OIL
VALVE GP-COMBINATION
9J-0782 VALVE GP-COMBINATION
HEAD GP-PUMP CONTROL
8J-6899 HEAD GP-PUMP CONTROL
HEAD GP-PUMP CONTROL
8J-6899 HEAD GP-PUMP CONTROL
PUMP GP-PISTON
8J-1905 PUMP GP-PISTON
8J-1905 PUMP GP-PISTON
PUMP GP-PISTON
1U-4722 PUMP GP-PISTON
1U-4722 PUMP GP-PISTON
PUMP GP-PISTON
1U-4722 PUMP GP-PISTON
1U-4722 PUMP GP-PISTON

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