AVSPARE.COM
parts catalog

433-0612 PUMP & MOTOR GP-HYDRAULIC -SECONDARY STEERING S/N WTB1-UP PART OF 433-0618 STEERING AR-SECONDARY AN ATTACHMENT 623K




ELECTRICAL AND STARTING SYSTEM

MOTOR GP
 

#SEBP63840650
 

433-0612: PUMP & MOTOR GP-HYDRAULIC

433-0612 PUMP & MOTOR GP-HYDRAULIC -SECONDARY STEERING
S/N WTB1-UP
PART OF 433-0618 STEERING AR-SECONDARY
AN ATTACHMENT
i05487957 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 432-2727 Y [1] PUMP & MOTOR GP-SEC STEERING  
2. 198-4777 [4] WASHER-HARD (11X25X10-MM THK)  
3. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840651
 

437-8938: PUMP & MTG GP-HYDRAULIC

437-8938 PUMP & MTG GP-HYDRAULIC
S/N WTB1-218
PART OF 373-8542 HYDRAULIC AR
ALSO AN ATTACHMENT
i05464432 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 316-8367 Y [1] PUMP GP-PISTON (ELEVATOR)  
2. 327-3972 J [1] PUMP GP-GEAR (BRAKE COOLING)  
  379-1840 [1] VALVE-RELIEF  
3. 332-2585 [1] COUPLING  
4. 332-2586 [1] COUPLING  
5. 332-2587 [1] COUPLING  
6. 336-8065 [1] COUPLING  
7. 376-5516 Y [1] PUMP GP-PISTON (IMPLEMENT)  
8. 389-6779 Y [1] PUMP GP-PISTON (BRAKE, FAN)  
9. 420-4444 Y [1] PUMP GP-PISTON (CUSHION-HITCH, STEERING)  
10. 095-0928 [1] RING-RETAINING  
11. 107-5769 [1] SEAL-O-RING  
12. 154-1580 [2] WASHER-HARD (22X38X6-MM THK)  
13. 198-4778 [6] WASHER-HARD (13.5X30X12-MM THK)  
14. 198-4780 [2] WASHER-HARD (17.5X32X8-MM THK)  
15. 243-2737 [1] SEAL-O-RING  
16. 2D-6648 [1] RING-RETAINING  
17. 304-9129 M [2] BOLT (M20X2.5X55-MM)  
18. 3D-8352 [2] RING-RETAINING  
19. 5F-3999 [2] SEAL-O-RING  
20. 7X-4804 [1] SEAL-O-RING  
21. 8N-7294 [1] RETAINER-PIN  
22. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
23. 8T-4184 M [2] BOLT (M12X1.75X45-MM)  
24. 8T-4193 M [2] BOLT (M16X2X50-MM)  
25. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
26. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
27. 8T-7934 [2] WASHER-HARD (11X21X5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  236-7205 J [1] KIT-SEAL (PUMP GP)  
    (INCLUDES SEALS, RING & PLUG)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840652
 

437-8938: PUMP & MTG GP-HYDRAULIC

437-8938 PUMP & MTG GP-HYDRAULIC
S/N WTB219-292
PART OF 373-8542 HYDRAULIC AR
ALSO AN ATTACHMENT
i06899636 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 454-2220 CY [1] PUMP GP-PISTON (ELEVATOR)  
2. 327-3972 J [1] PUMP GP-GEAR (BRAKE COOLING)  
  379-1840 [1] VALVE-RELIEF  
3. 332-2585 [1] COUPLING  
4. 332-2586 [1] COUPLING  
5. 332-2587 [1] COUPLING  
6. 336-8065 [1] COUPLING  
7. 376-5516 Y [1] PUMP GP-PISTON (IMPLEMENT)  
8. 389-6779 Y [1] PUMP GP-PISTON (BRAKE, FAN)  
9. 420-4444 Y [1] PUMP GP-PISTON (CUSHION-HITCH, STEERING)  
10. 095-0928 [1] RING-RETAINING  
11. 107-5769 [1] SEAL-O-RING  
12. 154-1580 [2] WASHER-HARD (22X38X6-MM THK)  
13. 198-4778 [6] WASHER-HARD (13.5X30X12-MM THK)  
14. 198-4780 [2] WASHER-HARD (17.5X32X8-MM THK)  
15. 243-2737 [1] SEAL-O-RING  
16. 2D-6648 [1] RING-RETAINING  
17. 304-9129 M [2] BOLT (M20X2.5X55-MM)  
18. 3D-8352 [2] RING-RETAINING  
19. 5F-3999 [2] SEAL-O-RING  
20. 7X-4804 [1] SEAL-O-RING  
21. 8N-7294 [1] RETAINER-PIN  
22. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
23. 8T-4184 M [2] BOLT (M12X1.75X45-MM)  
24. 8T-4193 M [2] BOLT (M16X2X50-MM)  
25. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
26. 8T-4196 M [2] BOLT (M10X1.5X35-MM)  
27. 8T-7934 [2] WASHER-HARD (11X21X5-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  236-7205 J [1] KIT-SEAL (PUMP GP)  
    (INCLUDES SEALS, RING & PLUG)
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840653
 

437-8938: PUMP & MTG GP-HYDRAULIC

437-8938 PUMP & MTG GP-HYDRAULIC
S/N WTB293-UP
PART OF 373-8542 HYDRAULIC AR
Type 1
ALSO AN ATTACHMENT
i07488862 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 454-2220 Y [1] PUMP GP-PISTON (ELEVATOR)  
2. 526-3942 CJ [1] PUMP GP-GEAR (BRAKE COOLING)  
  095-0692 M [4] BOLT-SOCKET HEAD (M14X2X110-MM)  
  271-2360 [4] WASHER-HARD (15X22X2.5-MM THK)  
3. 332-2585 [1] COUPLING  
4. 332-2586 [1] COUPLING  
5. 332-2587 [1] COUPLING  
6. 336-8065 [1] COUPLING  
7. 376-5516 Y [1] PUMP GP-PISTON (IMPLEMENT)  
8. 389-6779 Y [1] PUMP GP-PISTON (BRAKE, FAN)  
9. 420-4444 Y [1] PUMP GP-PISTON (CUSHION-HITCH, STEERING)  
10. 095-0928 [1] RING-RETAINING  
11. 107-5769 [1] SEAL-O-RING  
12. 154-1580 [2] WASHER-HARD (22X38X6-MM THK)  
13. 198-4778 [6] WASHER-HARD (13.5X30X12-MM THK)  
14. 198-4780 [2] WASHER-HARD (17.5X32X8-MM THK)  
15. 243-2737 [1] SEAL-O-RING  
16. 2D-6648 [1] RING-RETAINING  
17. 304-9129 M [2] BOLT (M20X2.5X55-MM)  
18. 3D-8352 [2] RING-RETAINING  
19. 5F-3999 [2] SEAL-O-RING  
20. 7X-4804 [1] SEAL-O-RING  
21. 8N-7294 [1] RETAINER-PIN  
22. 091-0081 C [2] SPACER (10.5X20X10-MM THK)  
23. 8T-4184 M [2] BOLT (M12X1.75X45-MM)  
24. 8T-4193 M [2] BOLT (M16X2X50-MM)  
25. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
26. 8T-4182 CM [2] BOLT (M10X1.5X45-MM)  
   
    AVAILABLE REPAIR KIT(S):
  512-6677 J [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES SEALS & RINGS)
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840654
 

437-8938: PUMP & MTG GP-HYDRAULIC

437-8938 PUMP & MTG GP-HYDRAULIC
S/N WTB293-UP
PART OF 373-8542 HYDRAULIC AR
Type 2
ALSO AN ATTACHMENT
i07591584 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 494-7227 CY [1] PUMP GP-PISTON (ELEVATOR)  
2. 526-3942 J [1] PUMP GP-GEAR (BRAKE COOLING)  
  095-0692 M [4] BOLT-SOCKET HEAD (M14X2X110-MM)  
  271-2360 [4] WASHER-HARD (15X22X2.5-MM THK)  
3. 332-2585 [1] COUPLING  
4. 332-2586 [1] COUPLING  
5. 332-2587 [1] COUPLING  
6. 336-8065 [1] COUPLING  
7. 376-5516 Y [1] PUMP GP-PISTON (IMPLEMENT)  
8. 389-6779 Y [1] PUMP GP-PISTON (BRAKE, FAN)  
9. 420-4444 Y [1] PUMP GP-PISTON (CUSHION-HITCH, STEERING)  
10. 095-0928 [1] RING-RETAINING  
11. 107-5769 [1] SEAL-O-RING  
12. 154-1580 [2] WASHER-HARD (22X38X6-MM THK)  
13. 198-4778 [6] WASHER-HARD (13.5X30X12-MM THK)  
14. 198-4780 [2] WASHER-HARD (17.5X32X8-MM THK)  
15. 243-2737 [1] SEAL-O-RING  
16. 2D-6648 [1] RING-RETAINING  
17. 304-9129 M [2] BOLT (M20X2.5X55-MM)  
18. 3D-8352 [2] RING-RETAINING  
19. 5F-3999 [2] SEAL-O-RING  
20. 7X-4804 [1] SEAL-O-RING  
21. 8N-7294 [1] RETAINER-PIN  
22. 091-0081 [2] SPACER (10.5X20X10-MM THK)  
23. 8T-4184 M [2] BOLT (M12X1.75X45-MM)  
24. 8T-4193 M [2] BOLT (M16X2X50-MM)  
25. 8T-4194 M [4] BOLT (M12X1.75X50-MM)  
26. 8T-4182 M [2] BOLT (M10X1.5X45-MM)  
27. 549-8328 C [1] PUMP GP-PISTON (ELEVATOR)  
  8T-2392 M [4] BOLT-SOCKET HEAD (M10X1.5X65-MM)  
  [1] VALVE GP-PUMP CONTROL (ELEVATOR)  
28. 373-1078 C [1] COUPLING  
29. 107-6279 C [1] SEAL-O-RING  
30. 8U-3297 CM [2] BOLT (M10X1.5X25-MM)  
31. 5P-1075 C [2] WASHER-HARD (10.2X22.5X3-MM THK)  
   
    AVAILABLE REPAIR KIT(S):
  512-6677 J [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES SEALS & RINGS)
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840655
 

316-8367: PUMP GP-PISTON

316-8367 PUMP GP-PISTON -ELEVATOR
S/N WTB1-218
PART OF 437-8938 PUMP & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i05083389 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5P-1075 C [2] WASHER-HARD (10.2X22.5X3-MM THK)  
2. 415-7347 CY [1] PUMP GP-PISTON  
3. 373-1078 [1] COUPLING  
4. 373-1071 [1] PUMP-CHARGE  
5. 8U-3297 M [2] BOLT (M10X1.5X25-MM)  
  376-8210 [1] KIT-SEAL (PISTON PUMP)  
    (INCLUDES SEAL & O-RINGS)
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840656
 

329-8116: PUMP GP-PISTON

329-8116 PUMP GP-PISTON -CUSHION-HITCH
S/N WTB1-UP
PART OF 420-4444 PUMP GP-PISTON
ALSO AN ATTACHMENT
i04431369 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 379-5191 [1] ROTATING GP-PUMP  
2. 333-7849 [1] PISTON-CONTROL  
3. 189-4720 [1] SEAL-SHAFT  
4. 379-5197 [1] SWASHPLATE  
5. 379-5162 [1] SHAFT-DRIVE  
6. 198-5351 [1] PLUG  
7. 8T-7525 [1] SEAL-O-RING  
8. 189-4716 [1] SHIM (2.5-MM THK)  
9. 333-7844 [1] RING  
10. 203-8609 [1] CUP-BEARING  
11. 105-3035 [1] CONE-BEARING  
12. 333-7845 [1] BEARING-CRADLE  
13. 333-7846 [1] BEARING-CRADLE  
14. 204-3334 [1] SEAL-O-RING  
15. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
16. 333-7850 [1] BEARING-TAPERED ROLLER  
17. 8T-9597 [1] RING-RETAINING  
18. 6V-8337 M [4] BOLT-SOCKET HEAD (M8X1.25X35-MM)  
19. 9S-8005 [3] PLUG (3/4-16-THD)  
20. 3K-0360 [3] SEAL-O-RING  
21. 112-4640 [1] PIN  
22. 379-5187 [1] SPRING  
23. 333-7840 [1] STOP  
24. 379-5186 [1] VALVE GP-PUMP CONTROL  
  8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  280-7870 [1] GASKET  
25. 280-7870 [1] GASKET  
26. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
27. 333-7843 [1] SPRING  
28. 379-5188 [1] PLATE-VALVE  
  M   METRIC PART
 

#SEBP63840657
 

376-5516: PUMP GP-PISTON

376-5516 PUMP GP-PISTON
S/N WTB1-UP
PART OF 437-8938 PUMP & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i04440500 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 378-1111 [1] BEARING  
2. 379-1823 [1] SHAFT-DRIVE  
3. 379-1815 [1] KIT-BEARING (SWASHPLATE)  
    (INCLUDES BEARINGS & PINS)
4. 379-1816 [1] SWASHPLATE  
5. 379-1827 [1] KIT-CYLINDER  
    (INCLUDES RINGS, SPRINGS, CYLINDER BLOCK, PINS, GUIDE, RETAINER & PISTON AS)
6. 379-1825 [2] PIN-SLOTTED  
7. 379-1818 [1] PLATE-CONTROL  
8. 232-3587 [1] KIT-BEARING  
9. 379-1821 [1] KIT-PISTON (BIAS)  
    (INCLUDES SLEEVE, SPRING & PISTON)
10. 379-1817 [1] SPRING-BIAS  
11. 379-1830 [1] KIT-PISTON (SERVO)  
    (INCLUDES PISTON & SLEEVE)
12. 248-1348 Y [1] VALVE GP-CONTROL (PISTON PUMP)  
13. 1G-9187 [1] SEAL-LIP TYPE  
14. 6L-8797 [1] RING-RETAINING  
15. 379-1826 [1] COUPLING  
16. 8T-3957 M [4] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
17. 8T-0348 M [4] BOLT-SOCKET HEAD (M16X2X50-MM)  
18. 9S-8005 [2] PLUG (3/4-16-THD)  
19. 3K-0360 [2] SEAL-O-RING  
   
  379-1829 F [1] KIT-SEAL (PISTON PUMP)  
    (INCLUDES SEALS, O-RINGS, RINGS & PLUG)
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840658
 

389-6779: PUMP GP-PISTON

389-6779 PUMP GP-PISTON -IMPLEMENTS
S/N WTB1-UP
PART OF 437-8938 PUMP & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i05445530 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 233-0065 [1] SHAFT-DRIVE  
2. 8C-3110 [1] RING-RETAINING  
3. 166-0344 [1] SEAL-SHAFT  
4. 188-6303 [1] SPRING  
5. 274-7452 [1] LINK-CONTROL  
6. 174-9994 [1] PISTON-CONTROL  
7. 198-5351 [1] PLUG  
8. 8T-7525 [1] SEAL-O-RING  
9. 9X-8979 [1] DOWEL  
10. 168-3504 [1] SEAL  
11. 120-4394 [1] PLUG-BREAK OFF  
12. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
13. 346-9615 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
14. 127-9485 [1] SEAL-O-RING  
15. 356-1576 Y [1] ROTATING GP-PUMP (BRAKE, HYDRAULIC FAN)  
16. 312-8769 [1] SWASHPLATE  
17. 168-7869 [2] BEARING-CRADLE  
18. 185-0263 [1] BEARING  
19. 203-8609 [1] CUP-BEARING  
20. 105-3035 [1] CONE-BEARING  
21. 2M-9780 [1] SEAL-O-RING  
22. 9S-8006 [1] PLUG (7/8-14-THD)  
23. 148-1238 B [1] SHIM (3-MM THK)  
24. 153-2691 [1] RING-RETAINING  
25. 138-8173 [1] PLATE-VALVE  
26. 280-7870 [1] GASKET  
27. 3J-7354 [1] SEAL-O-RING  
28. 9S-8002 [1] PLUG (7/16-20-THD)  
29. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  B   USE AS REQUIRED
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP63840659
 

415-7347: PUMP GP-PISTON

415-7347 PUMP GP-PISTON
S/N WTB1-UP
PART OF 316-8367 PUMP GP-PISTON
FIELD REPLACEMENT ORDER @@@@@494-7227@@@@@
ALSO AN ATTACHMENT
i05083409 SEBP6384
  For full view, you need register

Parts for your 623K WHEEL TRACTOR-SCRAPER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 302-5738 [1] RING-RETAINING  
2. 244-1463 B [1] SHIM (1-MM THK)  
3. 443-2701 [1] SEAL-LIP TYPE  
4. 9S-8008 [1] PLUG (1-1/16-12-THD)  
5. 121-9910 [1] RING  
6. 121-9911 [1] BEARING  
7. 373-1068 [1] SHAFT  
8. 121-9913 [2] BEARING  
9. 373-1067 [1] BARREL AS  
10. 6Y-2736 [1] CONE-BEARING  
11. 6Y-2737 [1] CUP-BEARING  
12. 373-1069 [1] PLATE-HEAD  
13. 121-9942 [2] PIPE  
14. 373-1079 [2] KIT-PISTON (ACTUATOR)  
    (EACH INCLUDES PISTON, WASHER, SPRING, RETAINER, & SHIM KIT)
15. 373-1070 B [1] KIT-SHIM (INCLUDES 8-SHIMS)(PISTON PUMP)  
16. 160-8493 M [7] BOLT-SOCKET HEAD (M14X2X80-MM)  
17. 381-2729 [1] VALVE-RELIEF  
18. 223-2321 [1] KIT-WASHER (HYDRAULIC PUMP, MOTOR)(PISTON PUMP)  
    (INCLUDES PLATES, SHIMS & WASHERS)
19. 380-3426 [2] VALVE-RELIEF  
20. 266-7599 [2] SOLENOID  
21. 273-5510 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
   
  376-8210 F [1] KIT-SEAL (PISTON PUMP)(PISTON PUMP)  
    (INCLUDES O-RINGS & RINGS)
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  B   USE AS REQUIRED
  F   NOT SHOWN
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 623K :

Truck sale:

 
Caterpillar 623K
- Road Scraper
HOLT OF CALIFORNIA
 
Caterpillar 623K
- Road Scraper
WHEELER MACHINERY CO.
 
Caterpillar 623K
- Road Scraper
WAGNER EQUIPMENT CO
 
Caterpillar 623K
- Road Scraper
WESTERN STATES EQUIPMENT
 
Caterpillar 623K
- Road Scraper
WESTERN STATES EQUIPMENT
Back to top
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.