HYDRAULIC SYSTEM
LINES GP-SWINGLINES GP-STICK
LINES GP-HYDRAULIC
LINES GP-CYLINDER
LINES GP-STABILIZER
LINES GP-STICK
LINES GP-CYLINDER
LINES GP-BOOM
HYDRAULIC SYSTEM
LINES GP-SWING#SEBP18360290
9R-1356: LINES GP-SWING CYLINDER
9R1356 LINES GP-SWING-PART 1 OF 2
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3K-0360 | [2] | SEAL-O-RING 16.36MM(.64IN)ID | |
| 2. | 6V-8398 | [7] | SEAL-0-RING 13.31MM(.53IN)ID | |
| 3. | 6V-8639 | [2] | CONNECTOR | |
| 4. | 9R-4372 | [1] | TUBE AS | |
| 5. | 9R-4373 | [1] | TUBE AS | |
| 6. | 9R-4376 | [1] | BRACKET AS | |
| 6V-8224 | [3] | NUT-WELD | ||
| 7. | 8T-1890 | [4] | CLIP (TAB) | |
| 8. | 8T-1889 | [6] | CLIP (SLOT) | |
| 9. | 8T-4136 | [10] | BOLT | |
| 8T-4121 | [11] | WASHER | ||
| 10. | 9R-3602 | [1] | TUBE AS | |
| 11. | 6V-9844 | [1] | TEE-SWIVEL | |
| 12. | 9R-3612 | [1] | BRACKET AS | |
| 6V-8224 | [1] | NUT-WELD | ||
| 13. | 8T-1890 | [2] | CLIP (TAB) | |
| 14. | 9R-4374 | [1] | TUBE AS | |
| 15. | 9R-4375 | [1] | TUBE AS | |
| 16. | 8T-4133 M | [2] | NUT | |
| 17. | 9R-3607 I | [2] | HOSE AS | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360291
9R-1356: LINES GP-SWING CYLINDER
9R1356 LINES GP-SWING-PART 2 OF 2
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-4136 M | [2] | BOLT | |
| 8T-4121 | [2] | WASHER | ||
| 2. | 5P-7465 | [2] | CLIP (TAB) | |
| 6V-1249 | [2] | GROMMET | ||
| 3. | 6V-8721 | [1] | ELBOW-FACE SEAL | |
| 4. | 7X-7745 | [1] | CONNECTOR-SPECIAL | |
| 5. | 2M-9780 | [2] | SEAL-O-RING (19.18MM ID) | |
| 6. | 6V-8398 | [9] | SEAL-0-RING (13.31MM ID) | |
| 7. | 9R-7957 | [2] | FLANGE-ONE PIECE | |
| 1P-3704 | [2] | SEAL-RECTANGULAR | ||
| 8. | 0S-1571 | [8] | BOLT | |
| 5M-2894 | [8] | WASHER | ||
| 9. | 6V-9002 | [2] | ELBOW | |
| 10. | 3K-0360 | [2] | SEAL-O-RING (16.36MM ID) | |
| 11. | 9R-3656 I | [2] | HOSE AS | |
| 12. | 6V-9851 | [1] | ELBOW-SWIVEL | |
| 13. | 6V-8789 | [1] | TEE-FACE SEAL | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360292
9R-1358: LINES GP-EXTENDABLE STICK
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6V-8714 | [1] | CONNECTOR-SEAL | |
| 2. | 5K-9090 | [2] | SEAL (23.52MM ID) | |
| 3. | 3D-2824 | [4] | SEAL-O-RING (23.47MM ID) | |
| 4. | 9R-5631 | [1] | TUBE AS | |
| 5. | 6V-9746 | [6] | SEAL-O-RING | |
| 6. | 9R-5632 | [1] | TUBE AS | |
| 7. | 5P-0599 | [2] | CLAMP | |
| 9R-5948 | [2] | BLOCK | ||
| 8. | 8T-6684 | [1] | ELBOW-90 DEGREE | |
| 9. | 8T-4186 M | [2] | BOLT (M10X1.50X40MM) | |
| 6P-9592 | [2] | SPACER | ||
| 10. | 5P-7467 | [4] | CLIP (TAB) | |
| 11. | 5P-8112 | [4] | GROMMET | |
| 12. | 8T-4139 M | [6] | BOLT | |
| 13. | 8T-4121 | [12] | WASHER (21MM OD) | |
| 14. | 9R-5370 I | [2] | HOSE AS | |
| 15. | 5P-7465 | [2] | CLIP | |
| 6V-1249 | [2] | GROMMET | ||
| 16. | 9R-3904 | [1] | TUBE AS | |
| 17. | 6V-8398 | [6] | SEAL-0-RING | |
| 18. | 8T-4137 M | [8] | BOLT | |
| 19. | 9R-6686 | [1] | PLATE AS | |
| 20. | 8T-1889 | [4] | CLIP (SLOT) | |
| 8T-1890 | [4] | CLIP (TAB) | ||
| 21. | 9R-3903 | [1] | TUBE AS | |
| 22. | 9R-4057 | [1] | TUBE AS | |
| 23. | 9R-1004 | [6] | CLIP (TAB) | |
| 9R-1005 | [6] | CLIP (SLOT) | ||
| 24. | 9R-4056 | [1] | TUBE AS | |
| 25. | 9R-5637 I | [2] | HOSE AS | |
| 26. | 8T-4133 M | [1] | NUT (M10X1.50 THD) | |
| 8T-4185 M | [1] | BOLT (M10X1.50X50MM) | ||
| 27. | 9R-4638 I | [2] | HOSE AS | |
| 28. | 8T-0404 | [1] | ELBOW-90 DEGREE | |
| 29. | 7J-9108 | [2] | SEAL-O-RING (15.60MM ID) | |
| 30. | 6V-8713 | [1] | CONNECTOR-SEAL | |
| 31. | 9R-5155 | [1] | TUBE AS | |
| 32. | 9R-5156 | [1] | TUBE AS | |
| 33. | 9R-5947 I | [2] | HOSE AS-ORIFICE | |
| 34. | 5P-7464 | [2] | CLIP (SLOT) | |
| 35. | 5P-7466 | [4] | CLIP (SLOT) | |
| 36. | 8T-4223 | [6] | WASHER-HARD | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360293
9R-2280: LINES GP-HYDRAULIC
9R2280 LINES GP-HYDRAULIC-3 CIRCUITS
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7J-9108 | [1] | SEAL-O-RING | |
| 2. | 6V-9746 | [5] | SEAL-O-RING | |
| 3. | 8T-1889 | [6] | CLIP (SLOT) | |
| 8T-1890 | [6] | CLIP (TAB) | ||
| 8T-4136 M | [6] | BOLT | ||
| 8T-4121 | [6] | WASHER | ||
| 4. | 9R-3867 | [1] | TUBE AS (STICK CYL-ROD END) | |
| 5. | 9R-3871 | [1] | TUBE AS (BOOM CYL-HEAD END) | |
| 6. | 9R-3869 | [1] | TUBE AS (BUCKET CYL-HEAD END) | |
| 7. | 9R-3870 | [1] | TUBE AS (BUCKET CYL-ROD END) | |
| 8. | 9R-3872 | [1] | TUBE AS (BOOM CYL-ROD END) | |
| 9. | 9R-3868 | [1] | TUBE AS (STICK CYL-HEAD END) | |
| 10. | 0S-1571 | [24] | BOLT | |
| 5M-2894 | [24] | WASHER | ||
| 11. | 1P-5760 | [12] | FLANGE-HALF | |
| 1P-3703 | [6] | SEAL-RECTANGULAR | ||
| M | METRIC PART | |||
#SEBP18360294
9R-1364: LINES GP-LIFT CYLINDER
9R1364 LINES GP-LIFT CYLINDER
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7J-9108 | [8] | SEAL-O-RING (15.60MM ID) | |
| 2. | 9R-3685 | [1] | TUBE AS | |
| 3. | 8T-4136 M | [10] | BOLT (M10X1.50X25MM) | |
| 4. | 8T-1887 | [12] | CLIP (SLOT) | |
| 8T-1888 | [12] | CLIP (TAB) | ||
| 5. | 9R-4623 I | [4] | HOSE AS | |
| 6. | 6V-8629 | [2] | ELBOW-FACE SEAL | |
| 7. | 2M-9780 | [4] | SEAL-O-RING 19.18MM(.76IN)ID | |
| 8. | 6V-9746 | [12] | SEAL-O-RING 18.77MM(.73IN)ID | |
| 9. | 9R-5051 | [2] | TUBE AS | |
| 10. | 6V-8640 | [2] | CONNECTOR | |
| 11. | 5P-1717 | [4] | CLAMP-HOSE | |
| 12. | 9R-5050 | [2] | TUBE AS | |
| 13. | 9R-3707 | [1] | TUBE AS | |
| 14. | 9R-5049 | [2] | PLATE AS | |
| (EACH INCLUDES) | ||||
| 15. | 6V-8224 M | [2] | NUT-WELD | |
| 16. | 9R-3682 | [1] | TUBE AS | |
| 17. | 9R-3681 | [1] | TUBE AS | |
| 18. | 6V-8637 | [2] | CONNECTOR-SEAL | |
| 19. | 3D-2824 | [2] | SEAL-O-RING 23.47MM(.96IN)ID | |
| 20. | 9R-3680 I | [2] | HOSE AS | |
| 21. | 6V-8791 | [2] | TEE-FACE SEAL | |
| 22. | 8T-0389 M | [2] | NUT | |
| 23. | 9R-3669 | [1] | PLATE | |
| 24. | 8T-4195 | [2] | BOLT (M10X1.50X30MM) | |
| 25. | 8T-4121 | [14] | WASHER | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360295
9R-1357: LINES GP-STABILIZER
9R1357 LINES GP-STABILIZER CYLINDER
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9R-4282 I | [2] | HOSE AS | |
| 2. | 9R-4283 I | [2] | HOSE AS | |
| 3. | 8T-1888 | [8] | CLIP (TAB) | |
| 8T-1887 | [8] | CLIP (SLOT) | ||
| 4. | 8T-4136 M | [2] | BOLT (M10X1.50X25MM) | |
| 8T-4121 | [10] | WASHER (2.5MM THK) | ||
| 5. | 5P-0599 | [4] | CLAMP | |
| 6. | 6V-0683 | [4] | GROMMET | |
| 5P-7462 | [4] | CLIP (SLOT) | ||
| 8T-4956 M | [4] | BOLT (M12X1.75X35MM) | ||
| 8T-4223 | [4] | WASHER-HARD (3MM THK) | ||
| 5P-7463 | [4] | CLIP (TAB) | ||
| 8T-4244 M | [4] | NUT (M12X1.75 THD) | ||
| 7. | 9R-4284 | [2] | BRACKET AS | |
| 8. | 9R-4343 | [1] | TUBE AS-RH | |
| 9. | 9R-6109 | [2] | VALVE-CHECK | |
| 10. | 6V-8723 | [2] | ELBOW-90 DEGREE (3/4-16 THD) | |
| 3K-0360 | [2] | SEAL-O-RING (16.36MM ID) | ||
| 11. | 6V-8397 | [8] | SEAL-O-RING (9.27MM ID) | |
| 12. | 8T-1885 | [2] | CLIP (SLOT) | |
| 8T-1886 | [2] | CLIP (TAB) | ||
| 13. | 2M-9780 | [6] | SEAL-O-RING (19.18MM ID) | |
| 14. | 6V-8715 | [2] | CONNECTOR | |
| 15. | 128-7167 | [2] | VALVE-CHECK | |
| 16. | 9R-4344 | [1] | TUBE AS-LH | |
| 17. | 6V-8638 | [2] | CONNECTOR-SEAL | |
| 18. | 6V-8398 | [2] | SEAL-O-RING (12.47MM ID) | |
| 19. | 9X-6550 | [2] | CONNECTOR | |
| 20. | 8T-4137 M | [8] | BOLT (M10X1.50X20MM) | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360296
9R-1354: LINES GP-STICK
9R1354 LINES GP-STICK CYLINDER
TYPE 1
TYPE 1
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3D-2824 | [2] | SEAL-O-RING | |
| 2. | 6V-8714 | [1] | CONNECTOR-SEAL | |
| 5K-9090 | [1] | SEAL | ||
| 3. | 9R-7089 | [1] | TUBE AS | |
| 4. | 6V-9746 | [2] | SEAL-O-RING | |
| 6. | 9R-4619 | [1] | SUPPORT AS | |
| 7. | 6V-8637 | [1] | CONNECTOR-SEAL | |
| 8. | 9R-4615 I | [1] | HOSE AS-ORIFICE | |
| 9. | 9R-5676 I | [1] | HOSE AS-ORIFICE | |
| 10. | 8T-1889 | [1] | CLIP (SLOT) | |
| 8T-1890 | [1] | CLIP (TAB) | ||
| 8T-4137 M | [1] | BOLT | ||
| 8T-4121 | [1] | WASHER | ||
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360297
9R-1354: LINES GP-STICK
9R1354 LINES GP-STICK
TYPE 2
TYPE 2
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS#SEBP18360298
9R-1367: LINES GP-TILT CYLINDER
9R1367 LINES GP-TILT CYLINDER
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6V-8637 | [2] | CONNECTOR-SEAL | |
| 3D-2824 | [2] | SEAL-O-RING 23.47MM(.92IN)ID | ||
| 2. | 6V-9746 | [4] | SEAL-O-RING 18.77MM(.74IN)ID | |
| 3. | 9R-3669 | [1] | PLATE | |
| 4. | 8T-1887 | [10] | CLIP (SLOT) | |
| 8T-1888 | [10] | CLIP (TAB) | ||
| 5. | 8T-4136 M | [11] | BOLT (M10X1.50X25MM) | |
| 6. | 8T-4121 | [19] | WASHER (21MM OD) | |
| 7. | 9R-3666 | [1] | TUBE AS | |
| 8. | 7J-9108 | [8] | SEAL-O-RING (15.60MM ID) | |
| 9. | 9R-3667 | [1] | TUBE AS | |
| 10. | 9R-3671 | [1] | PLATE AS | |
| 091-9035 | [1] | SPACER | ||
| 11. | 8T-1897 | [6] | CLIP (SLOT) | |
| 8T-1896 | [6] | CLIP (TAB) | ||
| 12. | 8T-6466 M | [1] | BOLT (M10X1.50X60MM) | |
| 8T-4133 M | [1] | NUT (M10X1.50 THD) | ||
| 13. | 9R-3674 I | [2] | HOSE AS | |
| 14. | 9R-4624 | [1] | TUBE AS | |
| 15. | 9R-4625 | [1] | TUBE AS | |
| 16. | 6V-8629 | [1] | ELBOW-FACE SEAL | |
| 17. | 2M-9780 | [2] | SEAL-O-RING 19.18MM(.76IN)ID | |
| 18. | 9R-5090 | [1] | TUBE AS | |
| 19. | 9R-5091 | [1] | TUBE AS | |
| 20. | 6V-8640 | [1] | CONNECTOR | |
| 21. | 9R-3677 I | [2] | HOSE AS | |
| 22. | 8T-4137 M | [2] | BOLT (M10X1.50X20MM) | |
| 23. | 8T-4195 M | [2] | BOLT (M10X1.50X30MM) | |
| 24. | 8T-0389 M | [2] | NUT | |
| I | SEE HOSE FABRICATION GUIDE | |||
| M | METRIC PART | |||
#SEBP18360299
9R-1353: LINES GP-BOOM CYLINDER
9R1353 LINES GP-BOOM CYLINDER
Parts for your 446 BACKHOE LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9R-3194 | [2] | PLATE | |
| 2. | 9R-3195 | [2] | BLOCK | |
| 3. | 9R-4608 I | [1] | HOSE AS | |
| 7J-9108 | [1] | SEAL-O-RING (15.60MM ID) | ||
| 4. | 9R-4609 I | [1] | HOSE AS | |
| 5. | 6V-9746 | [2] | SEAL-O-RING (19.79MM ID) | |
| 6. | 9R-3192 | [2] | PLATE | |
| 7. | 9R-3193 | [2] | BLOCK | |
| 8. | 8T-3647 M | [4] | BOLT (M8X1.25X80MM) | |
| 8T-4224 | [4] | WASHER-HARD (2MM THK) | ||
| 9R-5675 | [4] | SPACER | ||
| 5C-7261 M | [4] | NUT (M8X1.25 THD) | ||
| 9. | 9R-4619 | [1] | SUPPORT AS | |
| 6V-8224 M | [1] | NUT-WELD | ||
| 10. | 8T-4137 M | [5] | BOLT (M10X1.50X20MM) | |
| 11. | 8T-4121 | [9] | WASHER (21MM OD) | |
| 12. | 8T-1888 | [1] | CLIP (TAB) (TAB) | |
| 8T-1887 | [1] | CLIP (SLOT) (SLOT) | ||
| 13. | 5P-3860 | [1] | CLAMP-HOSE | |
| 14. | 9R-3889 | [4] | BLOCK | |
| 15. | 9R-3887 | [6] | PLATE | |
| 16. | 8T-5005 M | [4] | BOLT (M10X1.50X70MM) | |
| 9R-3884 | [4] | SPACER | ||
| 17. | 9R-4614 | [4] | BLOCK | |
| 18. | 6V-8637 | [1] | CONNECTOR-SEAL | |
| 19. | 3D-2824 | [2] | SEAL-O-RING (23.47MM ID) | |
| 20. | 9R-5046 | [1] | TUBE AS | |
| 21. | 6V-9007 | [1] | ELBOW | |
| I | SEE HOSE FABRICATION GUIDE | |||
| 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.



