POWER TRAIN
VALVE GP-DUMPTRANSMISSION GP
VALVE GP-MODULATING
VALVE GP-RELIEF
VALVE GP-SELECTOR & PRESS CONT
VALVE GP-SOLENOID
POWER TRAIN
VALVE GP-DUMP#SEBP45770420
8E-5523: VALVE GP-DUMP
8E-5523 VALVE GP-DUMP -TRANSMISSION
S/N WSL1-UP
LOAD PISTON
PART OF 165-5942 VALVE GP-TRANSMISSION CONTROL
S/N WSL1-UP
LOAD PISTON
PART OF 165-5942 VALVE GP-TRANSMISSION CONTROL
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8E-4884 | [1] | BODY | |
| 2. | 9S-8006 | [2] | PLUG (7/8-14-THD) | |
| 3. | 2M-9780 | [2] | SEAL-O-RING | |
| 4. | 9S-8005 | [2] | PLUG (3/4-16-THD) | |
| 5. | 3K-0360 | [2] | SEAL-O-RING | |
| 6. | 8E-4959 | [1] | SLUG | |
| 7. | 8E-4958 | [1] | SPOOL | |
| 8. | 9S-8004 | [1] | PLUG (9/16-18-THD) | |
| 9. | 3J-1907 | [1] | SEAL-O-RING | |
| 10. | 6Y-7582 | [1] | PISTON | |
| 11. | 9L-9188 | [1] | SPRING-VALVE | |
| 12. | 8P-0346 | [1] | SPRING | |
| 13. | 8E-6051 | [1] | PLUG-ORIFICE | |
| 14. | 4J-7533 | [1] | SEAL-O-RING | |
| 15. | 6Y-7621 | [1] | SPOOL |
#SEBP45770421
176-0629: VALVE GP-FLOW CONTROL
176-0629 VALVE GP-FLOW CONTROL -TRANSMISSION
S/N WSL1-UP
PART OF 277-8579 CASE & PARTS GP-TRANSMISSION
S/N WSL1-UP
PART OF 277-8579 CASE & PARTS GP-TRANSMISSION
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS#SEBP45770422
244-3114: VALVE GP-MODULATING
244-3114 VALVE GP-MODULATING -TC LOCKUP CLUTCH, XMSN CLUTCH
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-299; EBR1-UP
24-VOLT
PART OF 277-8579 CASE & PARTS GP-TRANSMISSION, 282-2974 CONTROL GP-TRANSMISSION HYD, 287-2126 VALVE GP-TRANSMISSION CONTROL
ALSO AN ATTACHMENT
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-299; EBR1-UP
24-VOLT
PART OF 277-8579 CASE & PARTS GP-TRANSMISSION, 282-2974 CONTROL GP-TRANSMISSION HYD, 287-2126 VALVE GP-TRANSMISSION CONTROL
ALSO AN ATTACHMENT
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS#SEBP45770423
350-3913: VALVE GP-MODULATING
350-3913 VALVE GP-MODULATING
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
#SEBP45770424
385-4432: VALVE GP-MODULATING
385-4432 VALVE GP-MODULATING
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | |
| 2. | 323-9531 | [1] | COIL AS (24-VOLT) | |
| 3. | 214-7568 | [1] | SEAL-O-RING | |
| 4. | 164-2108 | [1] | WASHER (13.03X25.4X2.38-MM THK) | |
| 5. | 218-2373 | [1] | NUT (1/2-28-THD) | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
#SEBP45770425
425-4565: VALVE GP-MODULATING
425-4565 VALVE GP-MODULATING
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
#SEBP45770426
425-6734: VALVE GP-MODULATING
425-6734 VALVE GP-MODULATING
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
S/N R1B1-UP; R1E1-UP; R1F1-UP; WSL1-UP; EBR1-UP
24-VOLT
PART OF 244-3114 VALVE GP-MODULATING
ALSO AN ATTACHMENT
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | |
| 2. | 323-9531 | [1] | COIL AS (24-VOLT) | |
| 3. | 214-7568 | [1] | SEAL-O-RING | |
| 4. | 164-2108 | [1] | WASHER (13.03X25.4X2.38-MM THK) | |
| 5. | 218-2373 | [1] | NUT (1/2-28-THD) | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
#SEBP45770427
287-2125: VALVE GP-RELIEF
287-2125 VALVE GP-RELIEF -TRANSMISSION HYDRAULIC CONTROL
S/N R1B1-UP; R1E1-UP; R1F1-UP; EBR1-UP
PART OF 287-2126 VALVE GP-TRANSMISSION CONTROL
ALSO AN ATTACHMENT
S/N R1B1-UP; R1E1-UP; R1F1-UP; EBR1-UP
PART OF 287-2126 VALVE GP-TRANSMISSION CONTROL
ALSO AN ATTACHMENT
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 2S-4663 | [1] | SEAL-O-RING | |
| 2. | 2S-5835 | [1] | PISTON-LOAD | |
| 3. | 3J-1907 | [2] | SEAL-O-RING | |
| 4. | 3K-0360 | [1] | SEAL-O-RING | |
| 5. | 4M-5905 | [1] | SCREW-ADJUSTMENT (5/16-18X1-IN) | |
| 6. | 6V-0852 | [2] | CAP-DUST | |
| 7. | 7B-3028 | [1] | SCREW-DRIVE (NO 4X 3/16-IN) | |
| 8. | 8E-1143 | [1] | SLUG | |
| 9. | 8M-5253 | [1] | SEAL-O-RING | |
| 10. | 9M-2110 | [1] | COVER-ADJUSTMENT | |
| 11. | 115-4550 | [1] | COVER | |
| 12. | 172-7966 | [1] | BODY | |
| 13. | 172-7968 | [1] | SPOOL AS | |
| 3D-8317 | [1] | RING-RETAINING | ||
| 4B-9880 | [1] | BALL | ||
| 4M-2381 | [1] | SPRING | ||
| 9U-8669 | [1] | RETAINER | ||
| 14. | 174-7449 | [1] | SPRING | |
| 15. | 241-6205 | [1] | PLUG | |
| 16. | 9M-1974 | [2] | WASHER-HARD (8.8X16X2-MM THK) | |
| 17. | 6V-3940 M | [2] | BOLT (M8X1.25X25-MM) | |
| 18. | 6V-3965 | [2] | FITTING (QUICK DISCONNECT) | |
| 19. | 6V-5218 M | [2] | BOLT (M8X1.25X35-MM) | |
| M | METRIC PART | |||
#SEBP45770428
6I-8723: VALVE GP-SELECTOR & PRESS CONT
6I-8723 VALVE GP-SELECTOR & PRESS CONT -TRANSMISSION
S/N WSL1-UP
PART OF 165-5942 VALVE GP-TRANSMISSION CONTROL
S/N WSL1-UP
PART OF 165-5942 VALVE GP-TRANSMISSION CONTROL
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6Y-1763 | [1] | BODY | |
| 2. | 7T-7679 | [4] | PLUG | |
| 3. | 2M-9780 | [4] | SEAL-O-RING | |
| 4. | 6Y-0871 | [2] | SPRING | |
| 5. | 6Y-4638 | [2] | PLUG-HEX SOCKET (1-5/16-12-THD) | |
| 6. | 7M-8485 | [2] | SEAL-O-RING | |
| 7. | 8E-1143 | [1] | SLUG | |
| 8. | 8E-3674 | [1] | SPOOL | |
| 9. | 8E-1142 | [1] | SLUG | |
| 10. | 8E-3675 | [1] | SPOOL | |
| 11. | 7T-8797 | [1] | SPACER (13X18.85X2-MM THK) | |
| 12. | 8J-2283 | [1] | RING-SNAP | |
| 13. | 7T-8803 | [1] | PLUG-SCREEN | |
| 14. | 4J-7533 | [1] | SEAL-O-RING | |
| 15. | 9W-8279 | [1] | PISTON | |
| 16. | 8E-1139 | [1] | SPRING | |
| 17. | 9U-9328 | [1] | SPRING | |
| 18. | 9W-6096 | [6] | SLUG | |
| 19. | 9W-6097 | [6] | SPOOL-SELECTOR | |
| 20. | 186-1526 CY | [6] | VALVE GP-SOLENOID (24-VOLT)(TRANSMISSION CLUTCH) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP45770429
186-1526: VALVE GP-SOLENOID
186-1526 VALVE GP-SOLENOID
S/N WSL1-UP
24-VOLT
PART OF 6I-8723 VALVE GP-SELECTOR & PRESS CONT
S/N WSL1-UP
24-VOLT
PART OF 6I-8723 VALVE GP-SELECTOR & PRESS CONT
Parts for your 525C WHEEL SKIDDER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 396-7070 Y | [1] | VALVE GP-SOLENOID (12-VDC) | ||
| Y | SEPARATE ILLUSTRATION | |||
Information:
POWER TRAIN
VALVE GP-DUMP
Specifications
Systems Operation

