OPERATOR STATION
CONTROL GP-TRANSMISSIONSTEERING SYSTEM
CYLINDER GPAXLE GP
CYLINDER GP
LINES GP
PUMP GP-METERING
OPERATOR STATION
CONTROL GP-TRANSMISSION#SEBP18360180
9W-1975: CONTROL GP-TRANSMISSION
9W1975 CONTROL GP-TRANSMISSION
S/N 6XF1-409
PART OF 9R2321 CONTROL-TRANSMISSION
S/N 6XF1-409
PART OF 9R2321 CONTROL-TRANSMISSION
#SEBP18360181
101-1585: CONTROL GP-TRANSMISSION
1011585 CONTROL GP-TRANSMISSION
PART OF 9R2321 CONTROL-TRANSMISSION
PART OF 9R2321 CONTROL-TRANSMISSION
#SEBP18360182
9R-2925: STEERING GP-HYDRAULIC
9R2925 STEERING GP-HYDRAULIC
9T1834-PAGE 112
9T1834-PAGE 112
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9T-1834 Y | [1] | CYLINDER GP-STEER | |
| 2. | 8T-4174 M | [14] | BOLT (M16X2.0X120MM) | |
| 3. | 8T-4122 | [14] | WASHER (3.5MM THK) | |
| 4. | 9R-3504 | [2] | PLATE | |
| 5. | 9R-3503 | [2] | TIE ROD GP | |
| (EACH INCLUDES) | ||||
| 6. | 8T-4185 M | [1] | BOLT (M10X1.50X50MM) | |
| 7. | 6V-7744 M | [1] | LOCKNUT (M10X1.50 THD) | |
| 8. | 8C-6829 M | [1] | NUT-CASTLE | |
| 9. | 3B-4640 | [2] | COTTER | |
| 10. | 6V-8398 | [2] | SEAL-0-RING (13.31MM ID) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP18360183
9R-1310: AXLE GP-FRONT
9R1310 AXLE GP-FRONT
S/N 6XF1-648, 650-652
S/N 6XF1-648, 650-652
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9R-2888 | [1] | AXLE AS-FRONT | |
| 2. | 9R-4137 | [2] | BEARING | |
| 3. | 9R-1917 | [2] | BEARING-SLEEVE | |
| 4. | 9R-4480 | [1] | BEARING-SLEEVE | |
| 5. | 9R-4569 | [1] | BEARING-SLEEVE | |
| 6. | 9R-4478 | [1] | WASHER-THRUST | |
| 7. | 3B-8488 | [4] | FITTING | |
| 8. | 8T-4136 M | [13] | BOLT | |
| 9. | 8T-4121 | [13] | WASHER | |
| 10. | 9R-2725 | [2] | PIN-KING | |
| 11. | 9R-0378 | [4] | PLATE | |
| 12. | 8T-7000 | [4] | SEAL | |
| 13. | 9R-2914 | [1] | SPINDLE AS-LH | |
| 14. | 9R-2916 | [1] | SPINDLE AS-RH | |
| (EA.SPINDLE AS.INCL) | ||||
| 15. | 9R-1917 | [1] | BEARING-SLEEVE | |
| 16. | 9R-4137 | [1] | BEARING | |
| 17. | 9R-7821 | [2] | CAP | |
| 18. | 8T-3990 M | [2] | NUT | |
| 19. | 3B-4631 | [2] | COTTER | |
| 20. | 009-3020 | [2] | WASHER-THRUST | |
| 21. | 9S-3582 | [2] | CONE-ROLLER BEARING | |
| 22. | 9S-3581 | [2] | CUP-ROLLER BEARING | |
| 23. | 9R-2912 | [2] | HUB AS | |
| (EACH INCLUDES) | ||||
| 24. | 1V-3323 | [8] | STUD | |
| 25. | 9S-7949 | [2] | CUP-ROLLER BEARING | |
| 26. | 9S-7950 | [2] | CONE-ROLLER BEARING | |
| 27. | 6V-8145 | [2] | SLEEVE | |
| 28. | 8T-9025 | [2] | SEAL | |
| 29. | 8B-4967 | [2] | SEAL-O-RING | |
| 30. | 6V-9667 M | [4] | BOLT | |
| 31. | 8T-3282 | [8] | WASHER-HARD | |
| 32. | 8T-4812 | [4] | BUSHING | |
| 33. | 6V-5845 M | [4] | BOLT | |
| 34. | 9R-4479 | [1] | PLATE-THRUST | |
| 35. | 9R-4478 | [1] | WASHER-THRUST | |
| 36. | 9R-4475 | [1] | RING AS | |
| 37. | 9R-4477 | [1] | BEARING-SLEEVE | |
| 38. | 8T-6757 | [2] | PLUG-PIPE | |
| 39. | 9R-4481 | [1] | RING AS | |
| 40. | 9R-4568 | [1] | BEARING-SLEEVE | |
| 41. | 7X-0492 | [2] | ELBOW-90 DEGREE | |
| 42. | 4J-5477 | [4] | SEAL-O-RING | |
| 43. | 3B-8489 | [2] | FITTING-GREASE | |
| 44. | 8C-6865 | [2] | CONNECTOR | |
| 45. | 8M-2772 | [1] | CLIP | |
| 46. | 9R-6082 | [1] | TUBE AS | |
| 47. | 9R-6083 | [1] | TUBE AS | |
| M | METRIC PART | |||
#SEBP18360184
9R-1310: AXLE GP-FRONT
9R1310 AXLE GP-FRONT
S/N 6XF649, 653-UP
S/N 6XF649, 653-UP
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9R-8548 C | [1] | AXLE AS-FRONT | |
| 2. | 9R-4478 | [1] | WASHER-THRUST | |
| 3. | 9R-1917 C | [4] | BEARING-SLEEVE | |
| 4. | 9R-4480 | [1] | BEARING-SLEEVE | |
| 5. | 9R-4569 | [1] | BEARING-SLEEVE | |
| 6. | 9R-8544 C | [2] | WASHER | |
| 7. | 3B-8488 | [4] | FITTING | |
| 8. | 8T-4136 M | [13] | BOLT | |
| 9. | 8T-4121 | [13] | WASHER | |
| 10. | 9R-2725 | [2] | PIN-KING | |
| 11. | 9R-0378 | [4] | PLATE | |
| 12. | 8T-7000 | [4] | SEAL | |
| 13. | 9R-8547 C | [1] | SPINDLE AS-LH | |
| 14. | 9R-8546 C | [1] | SPINDLE AS-RH | |
| (EA.SPINDLE AS.INCL) | ||||
| 15. | 9R-1917 C | [2] | BEARING-SLEEVE | |
| 16. | 9R-6083 | [1] | TUBE AS | |
| 17. | 9R-7821 | [2] | CAP | |
| 18. | 8T-3990 M | [2] | NUT | |
| 19. | 3B-4631 | [2] | COTTER | |
| 20. | 009-3020 | [2] | WASHER-THRUST | |
| 21. | 9S-3582 | [2] | CONE-ROLLER BEARING | |
| 22. | 9S-3581 | [2] | CUP-ROLLER BEARING | |
| 23. | 9R-2912 | [2] | HUB AS | |
| (EACH INCLUDES) | ||||
| 24. | 1V-3323 | [8] | STUD | |
| 25. | 9S-7949 | [2] | CUP-ROLLER BEARING | |
| 26. | 9S-7950 | [2] | CONE-ROLLER BEARING | |
| 27. | 6V-8145 | [2] | SLEEVE | |
| 28. | 8T-9025 | [2] | SEAL | |
| 29. | 8B-4967 | [2] | SEAL-O-RING | |
| 30. | 6V-9667 M | [4] | BOLT | |
| 31. | 8T-3282 | [8] | WASHER-HARD | |
| 32. | 8T-4812 | [4] | BUSHING | |
| 33. | 6V-5845 M | [4] | BOLT | |
| 34. | 9R-4479 | [1] | PLATE-THRUST | |
| 35. | 9R-4478 | [1] | WASHER-THRUST | |
| 36. | 9R-4475 | [1] | RING AS | |
| 37. | 9R-4477 | [1] | BEARING-SLEEVE | |
| 38. | 8T-6757 | [2] | PLUG-PIPE | |
| 39. | 9R-4481 | [1] | RING AS | |
| 40. | 9R-4568 | [1] | BEARING-SLEEVE | |
| 41. | 7X-0492 | [2] | ELBOW-90 DEGREE | |
| 42. | 4J-5477 | [4] | SEAL-O-RING | |
| 43. | 3B-8489 | [2] | FITTING-GREASE | |
| 44. | 8C-6865 | [2] | CONNECTOR | |
| 45. | 8M-2772 | [1] | CLIP | |
| 46. | 9R-6082 | [1] | TUBE AS | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
#SEBP18360185
9T-1834: CYLINDER GP-STEERING
9T1834 CYLINDER GP-STEER
83MM (3.6 IN.) BORE X 281MM (11 IN.) STROKE
PART OF 9R2925 HYDRAULIC STEERING
83MM (3.6 IN.) BORE X 281MM (11 IN.) STROKE
PART OF 9R2925 HYDRAULIC STEERING
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9X-3567 | [2] | SEAL-LIP TYPE | |
| 2. | 9T-2961 | [1] | HEAD | |
| 3. | 8T-6681 | [2] | RING-WEAR | |
| 4. | 4T-6126 | [2] | SEAL | |
| 5. | 9X-3568 | [2] | SEAL AS | |
| 6. | 8T-6682 | [2] | RING-WEAR | |
| 7. | 4J-9219 | [2] | RING-BACK-UP | |
| 8. | 8H-7521 | [1] | SEAL-O-RING | |
| 9. | 9T-2962 | [1] | ROD AS | |
| 10. | 6J-0793 | [1] | SEAL AS | |
| 11. | 8T-6683 | [1] | RING-WEAR | |
| 12. | 9T-2963 | [1] | CYLINDER AS | |
| 13. | 9T-2964 | [1] | FLANGE | |
| 14. | 5P-6302 | [2] | SEAL-O-RING | |
| 15. | 2K-6830 | [2] | RING-BACK-UP | |
| 16. | 9S-4191 | [1] | PLUG-O-RING | |
| 17. | 3J-1907 | [1] | SEAL |
#SEBP18360186
9R-4768: LINES GP-SECONDARY STEERING
9R4768 LINES GP-SUPPLEMENTAL STEER
PART OF 9R6221 HYDRAULIC AR
AN ATTACHMENT
PART OF 9R6221 HYDRAULIC AR
AN ATTACHMENT
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-4136 M | [3] | BOLT (M10X1.50X25MM) | |
| 2. | 8T-4121 | [5] | WASHER (21MM OD) | |
| 3. | 8T-9534 M | [2] | BOLT | |
| 4. | 6V-8724 | [2] | ELBOW (90 DEGREE-9/16-18THD) | |
| 5. | 6V-8397 | [7] | SEAL-O-RING 9.25MM(.36IN)ID | |
| 6. | 3J-1907 | [3] | SEAL-O-RING 11.89MM(.47IN)ID | |
| 7. | 6V-9002 | [1] | ELBOW (45 DEG-3/4-16THD) | |
| 8. | 6V-8398 | [3] | SEAL-0-RING 13.31MM(.53IN)ID | |
| 9. | 3K-0360 | [2] | SEAL-O-RING 16.36MM(.64IN)ID | |
| 10. | 6V-9839 | [1] | TEE | |
| 6V-9746 | [2] | SEAL-O-RING 19.79MM(.78IN)ID | ||
| 11. | 6V-8556 | [1] | NUT | |
| 6V-8941 | [1] | REDUCER | ||
| 12. | 6V-8639 | [1] | CONNECTOR-SEAL | |
| 13. | 9R-5971 I | [1] | HOSE AS | |
| 14. | 6V-8625 | [1] | ELBOW-FACE SEAL (90 DEGREE-3/4-16THD) | |
| 15. | 9R-5970 I | [1] | HOSE AS | |
| 16. | 9R-5973 | [1] | TUBE AS | |
| 17. | 6V-8788 | [1] | TEE-FACE SEAL | |
| 18. | 1F-7567 | [1] | CLIP | |
| 19. | 8D-1470 | [1] | GROMMET | |
| 20. | 9R-5972 | [1] | TUBE AS | |
| 21. | 9R-6266 | [1] | CLAMP AS | |
| 2M-8545 | [2] | SPACER | ||
| 22. | 8T-6466 M | [2] | BOLT (M10X1.50X60MM) | |
| 23. | 9R-6267 | [1] | BRACKET AS | |
| 24. | 8T-1905 | [1] | ELBOW-90 DEGREE | |
| 25. | 3D-2824 | [1] | SEAL-O-RING (23.47MM ID) | |
| 26. | 6V-9343 | [1] | ELBOW | |
| 27. | 5T-9996 I | [1] | HOSE AS | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360187
9R-1359: LINES GP-STEERING
9R1359 LINES GP-STEER-PART 1 OF 2
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1F-7567 | [1] | CLIP | |
| 2. | 8T-4191 M | [7] | BOLT | |
| 3. | 6V-8723 | [1] | ELBOW | |
| 4. | 3K-0360 | [4] | SEAL-O-RING 16.36MM(.64IN)ID | |
| 5. | 6V-8397 | [8] | SEAL-O-RING 9.25MM(.36IN)ID | |
| 6. | 9R-4920 I | [1] | HOSE AS | |
| 7. | 9R-4921 I | [1] | HOSE AS | |
| 8. | 8T-1683 | [1] | ELBOW | |
| 9. | 8T-1885 | [6] | CLIP (SLOT) | |
| 8T-1886 | [6] | CLIP (TAB) | ||
| 10. | 9R-4607 | [1] | TUBE AS | |
| 11. | 9R-4606 | [1] | TUBE AS | |
| 12. | 9R-2118 | [1] | CLIP AS (SLOT) | |
| 13. | 5P-7463 | [2] | CLIP (TAB) | |
| 6V-0683 | [2] | GROMMET | ||
| 8T-4196 M | [2] | BOLT | ||
| 14. | 8T-4121 | [7] | WASHER | |
| 15. | 5P-7462 | [1] | CLIP (SLOT) | |
| 16. | 9R-3138 I | [2] | HOSE AS | |
| 17. | 6V-8634 | [2] | CONNECTOR-SEAL | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360188
9R-1359: LINES GP-STEERING
9R1359 LINES GP-STEER-PART 2 OF 2
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-4191 M | [4] | BOLT | |
| 8T-4121 | [4] | WASHER | ||
| 2. | 9R-1004 | [1] | CLIP (TAB) | |
| 9R-1005 | [1] | CLIP (SLOT) | ||
| 3. | 6V-8641 | [1] | CONNECTOR-SEAL | |
| 4. | 3J-1907 | [1] | SEAL-O-RING 11.89MM(.47IN)ID | |
| 5. | 4J-5477 | [5] | SEAL-O-RING 7.65MM(.30IN)ID | |
| 6. | 8T-1894 | [1] | CLIP (TAB) | |
| 7. | 9R-3452 I | [1] | HOSE AS | |
| 8. | 1F-7567 | [2] | CLIP | |
| 9. | 9R-4981 | [1] | TUBE AS | |
| 10. | 9R-3139 I | [1] | HOSE AS | |
| 11. | 9R-4922 I | [1] | HOSE AS | |
| 12. | 9X-6579 | [1] | NUT-ORIFICE | |
| 5K-9090 | [1] | SEAL 24.26MM(.96IN)ID | ||
| 6V-8944 | [1] | REDUCER-O-RING | ||
| 13. | 6V-8632 | [1] | CONNECTOR-SEAL | |
| 7J-9108 | [1] | SEAL-O-RING 15.60MM(.61IN)ID | ||
| 14. | 9R-9817 | [1] | TUBE AS | |
| 15. | 6V-8398 | [3] | SEAL-0-RING 13.31MM(.52IN)ID | |
| 16. | 6V-8625 | [1] | ELBOW-FACE SEAL | |
| 17. | 3K-0360 | [2] | SEAL-O-RING 16.36MM(.64IN)ID | |
| 18. | 9T-1013 | [1] | VALVE-CHECK | |
| 19. | 9R-3453 I | [1] | HOSE AS | |
| 20. | 9T-7114 | [1] | VALVE GP-CHECK | |
| 21. | 6V-8628 | [1] | ELBOW | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 22. | 8T-1893 | [1] | CLIP (SLOT) | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360189
9T-1210: PUMP GP-METERING
9T1210 PUMP GP-METERING (STEERING)
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9T-8490 | [1] | GEROTOR | |
| 2. | 6C-0011 | [1] | SPACER | |
| 3. | 6C-0012 | [1] | DRIVE-CONTROL | |
| 4. | 6C-0014 | [1] | PIN | |
| 5. | 6C-0015 | [1] | BEARING | |
| 6. | 6C-0016 | [1] | SPACER | |
| 7. | 8T-2316 M | [6] | BOLT | |
| 8. | 6C-0018 | [1] | BOLT | |
| 9. | 6C-0019 | [1] | PIN-ROLL | |
| 10. | 6C-0020 | [7] | WASHER | |
| 11. | 6C-0021 | [1] | BALL | |
| 12. | 6C-0022 | [1] | BUSHING | |
| 13. | 6C-0023 | [1] | CAP | |
| THE FOLLOWING REPAIR | ||||
| KIT IS AVAILABLE | ||||
| 6C-0025 | [1] | KIT-SEAL | ||
| M | METRIC PART | |||
Information:
Caterpillar Parts SIS Catalog 446 :
Truck sale:
800
Caterpillar WORK TOOLS (NON-SERIALIZED) 446 30 BACKHOE BUCKET, Construction
- bucket
THOMPSON TRACTOR CO., INC.
- bucket
THOMPSON TRACTOR CO., INC.



