BRAKING SYSTEM
VALVE GPSTEERING SYSTEM
CYLINDER GPLINES GP
PUMP GP
STEERING GP
HYDRAULIC SYSTEM
CYLINDER GPBRAKING SYSTEM
VALVE GP#SEBP30080060
9X-9482: VALVE GP-SOLENOID
9X-9482 VALVE GP-SOLENOID
24 VOLT, DC
PART OF 8I-1931 CONTROL GP-SERVICE BRAKE
FIELD REPLACEMENT ORDER 1-188-2461 VALVE GP-SOLENOID, 1-216-0101 WIRE AS
24 VOLT, DC
PART OF 8I-1931 CONTROL GP-SERVICE BRAKE
FIELD REPLACEMENT ORDER 1-188-2461 VALVE GP-SOLENOID, 1-216-0101 WIRE AS
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS#SEBP30080061
3G-5192: CYLINDER GP-STEERING
3G-5192 CYLINDER GP-STEERING
127-MM (5-IN) BORE X 1127.8-MM (44.4-IN) STROKE. 2 REQUIRED
PART OF 8I-2211 SCRAPER AR
127-MM (5-IN) BORE X 1127.8-MM (44.4-IN) STROKE. 2 REQUIRED
PART OF 8I-2211 SCRAPER AR
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5J-5731 | [1] | LOCKNUT (1-3/4-12-THD) | |
| 2. | 3G-5191 | [1] | CYLINDER AS | |
| 0T-0102 | [2] | BOLT (3/8-16X0.625-IN) | ||
| 0T-0690 | [4] | BOLT (7/8-9X1.5-IN) | ||
| 2D-0094 | [1] | GASKET | ||
| 7J-3554 | [1] | COVER | ||
| 6J-6043 | [2] | BUSHING | ||
| 3. | 8J-7375 | [1] | ROD AS | |
| 4. | 9J-1676 | [1] | BUSHING | |
| 5. | 9T-8563 | [1] | PISTON | |
| 6. | 5F-3144 JNS | [1] | SEAL-O-RING | |
| 7. | 2K-4096 JNS | [1] | RING-BACKUP | |
| 8. | 289-2937 JNPS | [1] | SEAL AS-BUFFER | |
| 9. | 289-2948 JNPS | [1] | SEAL-U-CUP | |
| 10. | 225-3281 JNPS | [1] | SEAL-WIPER | |
| 11. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 12. | 1D-4628 | [4] | BOLT (7/8-9X3.25-IN) | |
| 9H-1031 | [4] | WASHER-HARD (24X41.5X6-MM THK) | ||
| 13. | 9T-6863 | [1] | HEAD | |
| 14. | 9X-7264 JNS | [1] | SEAL AS | |
| 15. | 4J-4630 N | [1] | RING-WEAR | |
| 16. | 8T-5668 JNP | [1] | RING-WEAR | |
| AVAILABLE REPAIR KIT(S): | ||||
| 242-2542 J | [1] | KIT-SEAL (HYDRAULIC CYLINDER) | ||
| (INCLUDES RINGS & SEALS) | ||||
| (STANDARD SIZE BORE) | ||||
| 243-0384 N | [1] | KIT-SEAL (HYDRAULIC CYLINDER) | ||
| (INCLUDES RINGS & SEALS) | ||||
| (STANDARD SIZE BORE) | ||||
| 243-0385 P | [1] | KIT-HYDRAULIC CYLINDER | ||
| (INCLUDES RINGS & SEALS) | ||||
| (OVERSIZE BORE 0.76-MM) | ||||
| 243-0386 S | [1] | KIT-HYDRAULIC CYLINDER | ||
| (INCLUDES RINGS & SEALS) | ||||
| (STANDARD SIZE BORE) | ||||
| (ALL KITS ABOVE FOR USE WITH REHS1392) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| N | KIT MARKED N SERVICES PART(S) MARKED N | |||
| P | KIT MARKED P SERVICES PART(S) MARKED P | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| S | KIT MARKED S SERVICES PART(S) MARKED S | |||
#SEBP30080062
8W-9680: LINES GP-SECONDARY STEERING
8W-9680 LINES GP-SECONDARY STEERING
PART OF 2A-6369 STEERING AR-SECONDARY
AN ATTACHMENT
PART OF 2A-6369 STEERING AR-SECONDARY
AN ATTACHMENT
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6V-0852 | [1] | CAP-DUST | |
| 2. | 8W-0196 | [1] | ADAPTER | |
| 3. | 8W-1195 | [1] | ELBOW | |
| 4. | 109-1096 | [1] | TUBE AS | |
| 5. | 112-1721 I | [1] | HOSE AS | |
| 6. | 148-8425 | [1] | TEE AS | |
| 8T-4834 | [1] | TEE-SWIVEL-ORFS | ||
| 5K-9090 | [1] | SEAL-O-RING | ||
| 7. | 148-8443 | [1] | TEE AS | |
| 7X-2459 | [1] | ADAPTER-TEE | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 8. | 164-5567 | [1] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 9. | 176-7695 | [2] | VALVE GP-CHECK (SECONDARY STEERING) | |
| (EACH INCLUDES) | ||||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 5K-9090 | [1] | SEAL-O-RING | ||
| 10. | 216-8627 I | [1] | HOSE AS | |
| 11. | 220-7903 I | [1] | HOSE AS | |
| 12. | 148-8378 | [1] | ELBOW AS | |
| 6V-8724 | [1] | ELBOW | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 13. | 148-8407 | [1] | PLUG AS | |
| 9S-4191 | [1] | PLUG (9/16-18-THD) | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 14. | 150-3065 | [1] | ELBOW AS | |
| 6V-0484 | [1] | ELBOW | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 15. | 1P-3705 | [1] | SEAL-RECTANGULAR | |
| 16. | 1P-4577 | [2] | FLANGE-HALF | |
| 17. | 1P-4579 | [4] | FLANGE-HALF | |
| 18. | 4J-0520 | [1] | SEAL-O-RING | |
| 19. | 4J-0524 | [2] | SEAL-O-RING | |
| 20. | 5J-5793 | [4] | BOLT-12 POINT HEAD (1/2-13X2-IN) | |
| 21. | 5M-3062 | [2] | BOLT (3/8-16X0.75-IN) | |
| 22. | 5P-2424 | [4] | BOLT (1/2-13X2.25-IN) | |
| 23. | 5S-7382 | [4] | BOLT (3/8-16X1.375-IN) | |
| 24. | 6D-4246 | [3] | CLIP (LOOP) | |
| 25. | 6J-2680 | [1] | SEAL-O-RING | |
| 26. | 8T-4223 | [12] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 27. | 8T-4896 | [6] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 28. | 8T-8919 | [8] | BOLT (1/2-13X1.75-IN) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
#SEBP30080063
8W-0575: LINES GP-STEERING
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8J-7577 I | [2] | HOSE AS | |
| 2. | 8J-7734 I | [2] | HOSE AS | |
| 3. | 8X-1143 C | [8] | CLAMP | |
| 4. | 8X-1146 C | [8] | SPACER (10.3X15.9X60.7-MM THK) | |
| 5. | 5T-9474 | [1] | TUBE AS | |
| 6. | 5T-9475 | [1] | TUBE AS | |
| 7. | 214-5180 | [1] | TUBE AS | |
| 8. | 214-5181 | [1] | TUBE AS | |
| 9. | 1P-3703 | [2] | SEAL-RECTANGULAR | |
| 10. | 1P-4576 | [8] | FLANGE-HALF | |
| 11. | 1P-4577 | [12] | FLANGE-HALF | |
| 12. | 1P-5760 | [4] | FLANGE-HALF | |
| 13. | 1S-1445 | [4] | PLATE | |
| 14. | 4J-0520 | [4] | SEAL-O-RING | |
| 15. | 4J-5267 | [4] | SEAL-O-RING | |
| 16. | 5S-7382 | [40] | BOLT (3/8-16X1.375-IN) | |
| 17. | 5S-7383 | [8] | BOLT (3/8-16X1.75-IN) | |
| 18. | 7X-0290 | [4] | BOLT (3/8-16X3.5-IN) | |
| 19. | 8C-4436 | [4] | BOLT (1/2-13X1.375-IN) | |
| 20. | 8T-4223 | [4] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 21. | 8T-4896 | [56] | WASHER-HARD (10.2X18.5X2.5-MM THK) | |
| 22. | 8T-8915 | [4] | BOLT (3/8-16X3.25-IN) | |
| 23. | 9F-2167 | [2] | SCREW-PURGE (3/8-24X1.164-IN) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
#SEBP30080064
8W-9679: PUMP GP-GEAR
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9D-0642 | [1] | CAGE | |
| 2. | 9D-1141 B | [8] | SHIM (0.18-MM THK) | |
| 3. | 5D-0353 | [4] | BOLT-LOCKING (3/8-16X1-IN) | |
| 5M-2894 | [4] | WASHER-HARD (10.2X18.5X2.5-MM THK) | ||
| 4. | 9D-0906 | [1] | PINION-BEVEL (18-TEETH) | |
| 5. | 2D-6417 | [1] | RING-LOCK | |
| 6. | 9S-3582 | [2] | CONE-BEARING | |
| 7. | 9S-3581 | [2] | CUP-BEARING | |
| 8. | 9D-1139 | [1] | SHAFT | |
| 9. | 5S-3676 | [1] | SEAL-O-RING | |
| 10. | 9D-0938 | [1] | ADAPTER | |
| 11. | 3D-8352 | [1] | RING-RETAINING | |
| 12. | 9D-1138 | [1] | COUPLING | |
| 13. | 8T-9393 | [2] | BOLT (5/8-11X1.5-IN) | |
| 8T-4122 | [2] | WASHER-HARD (17X32X3.5-MM THK) | ||
| 14. | 5F-3999 | [1] | SEAL-O-RING | |
| 15. | 9T-7334 Y | [1] | PUMP GP-GEAR | |
| B | USE AS REQUIRED | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP30080065
9T-7334: PUMP GP-GEAR
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8H-5724 | [8] | NUT (1/2-20-THD) | |
| 2. | 5P-7213 | [8] | WASHER-HARD (13.5X20.5X2-MM THK) | |
| 3. | 6V-1899 J | [2] | SEAL-LIP TYPE | |
| 4. | 008-3214 | [1] | RING-RETAINING (INTERNAL) | |
| 5. | 3G-7242 | [1] | PLUG | |
| 6. | 3G-1741 | [1] | COUPLING | |
| 7. | 5S-1522 | [1] | RING-SNAP | |
| 8. | 4T-9299 | [2] | BUSHING-TERMINAL | |
| 9. | 4T-9301 | [1] | BUSHING-TERMINAL | |
| 10. | 6E-3119 | [1] | SHAFT | |
| 11. | 4T-9129 | [1] | GEAR-IDLER | |
| 12. | 4T-9300 | [3] | BUSHING-TERMINAL | |
| 13. | 9T-2840 | [1] | FLANGE AS (LH) | |
| 14. | 6E-3120 | [1] | BODY AS | |
| 15. | 364-6570 | [1] | PLATE | |
| 16. | 364-6571 | [1] | PLATE | |
| 17. | 364-6562 | [1] | PLATE | |
| 18. | 364-6563 | [1] | PLATE | |
| 19. | 6E-3123 | [1] | BODY AS | |
| 20. | 9T-1269 | [1] | GEAR-IDLER | |
| 21. | 6E-3125 | [1] | SHAFT | |
| 22. | 4T-9298 | [2] | BUSHING | |
| AVAILABLE REPAIR KIT(S): | ||||
| 9T-8617 | [1] | KIT-FRONT SECTION (FRONT) | ||
| 9T-8618 | [1] | KIT-REAR SECTION (REAR) | ||
| 9T-8619 J | [1] | KIT-SEAL | ||
| (ALSO INCLUDES SNAP-RINGS, BACK-UP RINGS, RETAINER & PLUG) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
#SEBP30080066
2A-6369: STEERING AR-SECONDARY
2A-6369 STEERING AR-SECONDARY
AN ATTACHMENT
AN ATTACHMENT
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS#SEBP30080067
8J-1876: CYLINDER GP-BOWL
8J-1876 CYLINDER GP-BOWL
152.4-MM (6-IN)BORE X 508-MM (20-IN)STROKE
PART OF 8I-2211 SCRAPER AR
152.4-MM (6-IN)BORE X 508-MM (20-IN)STROKE
PART OF 8I-2211 SCRAPER AR
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8J-1867 | [1] | ROD AS | |
| 1A. | 5J-2445 | [1] | BUSHING | |
| 2. | 8J-1869 | [1] | CYLINDER AS | |
| 2A. | 5J-2445 | [1] | BUSHING | |
| 3. | 9J-8047 | [1] | PISTON | |
| 4. | 9T-3709 C | [1] | HEAD | |
| 5. | 167-2201 C | [1] | SEAL AS-BUFFER | |
| 6. | 167-2312 C | [1] | SEAL-U-CUP | |
| 7. | 1D-4612 | [2] | BOLT (3/4-10X4-IN) | |
| 8. | 1P-4574 | [2] | FLANGE-HALF | |
| 9. | 225-3281 | [1] | SEAL-WIPER | |
| 10. | 2K-3258 | [1] | RING-BACKUP | |
| 11. | 3B-2968 | [6] | BOLT (3/4-10X3.5-IN) | |
| 12. | 3J-9545 | [1] | LOCKNUT (2-12-THD) | |
| 13. | 4B-3388 | [4] | BOLT (5/16-18X1.125-IN) | |
| 14. | 5F-7054 C | [1] | SEAL-O-RING | |
| 15. | 5H-3252 | [1] | SEAL-O-RING | |
| 16. | 5H-4017 | [1] | COVER | |
| 17. | 5J-4989 | [1] | SEAL AS | |
| 18. | 5P-8248 C | [8] | WASHER-HARD (20X36.5X3.5-MM THK) | |
| 19. | 7J-5326 | [1] | RING-WEAR | |
| 20. | 8T-8365 C | [1] | RING-WEAR | |
| 21. | 9M-1974 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
#SEBP30080068
8J-5478: CYLINDER GP-EJECTOR
8J-5478 CYLINDER GP-EJECTOR
127-MM (5-IN)BORE X 1213-MM (47.75-IN)STROKE
PART OF 8I-2211 SCRAPER AR
127-MM (5-IN)BORE X 1213-MM (47.75-IN)STROKE
PART OF 8I-2211 SCRAPER AR
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8J-5475 | [1] | CYLINDER AS | |
| 2. | 8J-5395 | [1] | BUSHING | |
| 3. | 5J-5731 C | [1] | LOCKNUT (1-3/4-12-THD) | |
| 4. | 4J-4630 C | [1] | RING-WEAR | |
| 5. | 9X-7264 | [1] | SEAL AS | |
| 6. | 9T-8563 C | [1] | PISTON | |
| 7. | 5F-3144 | [1] | SEAL-O-RING | |
| 8. | 167-2201 | [1] | SEAL AS-BUFFER | |
| 9. | 167-2312 | [1] | SEAL-U-CUP | |
| 10. | 167-2463 | [1] | SEAL-WIPER | |
| 11. | 8J-5396 | [1] | ROD AS | |
| 12. | 8J-5394 | [1] | BUSHING | |
| 13. | 1D-4628 | [4] | BOLT (7/8-9X3.25-IN) | |
| 3B-4514 | [4] | LOCKWASHER | ||
| 14. | 9T-6863 | [1] | HEAD | |
| 15. | 8T-5668 | [1] | RING-WEAR | |
| 16. | 2K-4096 | [1] | RING-BACKUP | |
| AVAILABLE REPAIR KIT(S): | ||||
| 186-4332 | [1] | KIT-SEAL | ||
| 186-4363 | [1] | KIT-SEAL | ||
| 186-4364 | [1] | KIT-SEAL | ||
| 186-4365 | [1] | KIT-SEAL | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
#SEBP30080069
185-4338: CYLINDER GP-FLOOR
185-4338 CYLINDER GP-FLOOR
139.70MM (5.5-IN)BORE X 1352.70-MM (53.26-IN)STROKE
PART OF 8I-2211 SCRAPER AR
139.70MM (5.5-IN)BORE X 1352.70-MM (53.26-IN)STROKE
PART OF 8I-2211 SCRAPER AR
Parts for your 623G WHEEL SCRAPER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 192-7862 | [1] | PISTON | |
| 2. | 185-4445 | [1] | CYLINDER AS (FLOOR) | |
| 3J-2373 | [1] | BUSHING | ||
| 3. | 185-4459 | [1] | ROD AS | |
| 5J-2445 | [1] | BUSHING | ||
| 4. | 186-0199 | [1] | HEAD | |
| 5. | 167-2209 | [1] | SEAL AS-BUFFER | |
| 6. | 167-2320 | [1] | SEAL-U-CUP | |
| 7. | 225-3285 | [1] | SEAL-WIPER | |
| 8. | 173-9779 M | [6] | BOLT (M24X3X80-MM) | |
| 9. | 2J-7686 | [1] | LOCKNUT (2.5X12-THD) | |
| 10. | 4T-5173 | [1] | SEAL | |
| 11. | 6V-8237 | [8] | WASHER (26X44X4-MM THK) | |
| 12. | 7J-1731 | [1] | RING-WEAR | |
| 13. | 8C-9101 | [1] | RING-WEAR | |
| 14. | 8J-1688 | [1] | SEAL-O-RING | |
| 15. | 8J-1689 | [1] | RING-BACKUP | |
| 16. | 8T-0667 M | [2] | BOLT (M24X3X100-MM) | |
| 17. | 8T-8376 | [1] | SEAL-HEAD | |
| M | METRIC PART | |||
Information:
BRAKING SYSTEM
VALVE GP
Specifications
Pressure Switch (Parking and Secondary Brake Air)
621G, 623G and 627G Wheel Tractor-Scrapers Air System and Brakes
621G, 623G and 627G Wheel Tractor-Scrapers Air System and Brakes
Systems Operation
Reuse And Salvage Guidelines
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Final Drive Steering System, Wheel Braking System, and Wheels & Tires Salvage and Reuse Manual Contents {4000, 4050, 4100, 4250, 4300}
Disassembly and Assembly
Service Magazine



