HYDRAULIC SYSTEM
LINES GP-PILOTLINES GP-CYLINDER
VALVE GP-PILOT
MOTOR GP
PUMP GP
HYDRAULIC SYSTEM
LINES GP-PILOT#SEBP24310510
8R-5667: LINES GP-PILOT
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3J-1907 | [3] | SEAL-O-RING | |
| 2. | 6V-8397 | [3] | SEAL-O-RING | |
| 3. | 8T-4137 M | [4] | BOLT (M10X1.5X20-MM) | |
| 4. | 8T-4121 | [9] | WASHER-HARD (11X21X2.5-MM THK) | |
| 5. | 8T-4133 M | [3] | NUT (M10X1.5-THD) | |
| 6. | 8T-4195 M | [2] | BOLT (M10X1.5X30-MM) | |
| 7. | 6D-1641 | [5] | CLIP (LOOP) | |
| 8. | 8W-3182 I | [1] | HOSE AS | |
| 9. | 148-8333 | [2] | CONNECTOR AS | |
| (EACH INCLUDES) | ||||
| 8T-7927 | [1] | CONNECTOR | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 6V-8400 | [1] | SEAL-O-RING | ||
| 10. | 148-8322 | [1] | CONNECTOR AS | |
| 6V-8640 | [1] | CONNECTOR | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 2M-9780 | [1] | SEAL-O-RING | ||
| 2M-9780 | [1] | SEAL-O-RING | ||
| 11. | 6V-8398 | [12] | SEAL-O-RING | |
| 12. | 4E-6914 | [1] | BRACKET | |
| 13. | 110-2335 I | [1] | HOSE AS | |
| 14. | 148-8378 | [4] | ELBOW AS (90 DEGREE) | |
| (EACH INCLUDES) | ||||
| 6V-8724 | [1] | ELBOW | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 15. | 100-3422 | [1] | TUBE AS | |
| 16. | 8C-8989 | [4] | ELBOW | |
| 17. | 150-4043 | [5] | CONNECTOR AS | |
| (EACH INCLUDES) | ||||
| 6V-9873 | [1] | CONNECTOR | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 18. | 9U-3428 I | [1] | HOSE AS | |
| 19. | 4E-6888 I | [1] | HOSE AS | |
| 20. | 9U-0218 I | [1] | HOSE AS | |
| 21. | 113-9117 I | [1] | HOSE AS | |
| 22. | 148-8328 | [1] | CONNECTOR AS | |
| 6V-8633 | [1] | CONNECTOR | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 3D-2824 | [1] | SEAL-O-RING | ||
| 23. | 4E-6933 | [1] | TUBE AS | |
| 24. | 148-8367 | [3] | ELBOW AS (90 DEGREE) | |
| (EACH INCLUDES) | ||||
| 6V-9850 | [1] | ELBOW | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 25. | 9T-3096 Y | [1] | VALVE GP-CHECK (PILOT) | |
| 26. | 6E-3078 Y | [1] | VALVE GP-SELECTOR & PRESS CONT (DEAD ENGINE LOWER) | |
| 27. | 148-8407 | [1] | PLUG AS | |
| 9S-4191 | [1] | PLUG (9/16-18-THD) | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 28. | 9W-4310 I | [2] | HOSE AS | |
| 29. | 8T-4192 M | [1] | BOLT (M12X1.75X25-MM) | |
| 7X-0599 | [1] | WASHER-HARD (13X20X2-MM THK) | ||
| 30. | 5P-7468 | [3] | CLIP (SLOT) | |
| 5P-7469 | [3] | CLIP (TAB) | ||
| 6V-0545 | [3] | GROMMET | ||
| 31. | 7T-9099 I | [2] | HOSE AS | |
| 32. | 9R-0975 I | [1] | HOSE AS | |
| 33. | 9U-0356 | [1] | BRACKET AS | |
| 8T-3490 M | [4] | NUT-WELD (M10X1.5-THD) | ||
| 9U-0357 | [1] | PLATE AS | ||
| 34. | 8T-4956 M | [6] | BOLT (M12X1.75X35-MM) | |
| 35. | 9U-0364 I | [1] | HOSE AS | |
| 36. | 6V-9746 | [2] | SEAL-O-RING | |
| 37. | 148-8370 | [3] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 6V-9851 | [1] | ELBOW | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 38. | 7X-0599 | [3] | WASHER-HARD (13X20X2-MM THK) | |
| 39. | 4E-6935 | [1] | BRACKET AS | |
| 40. | 9U-0195 | [1] | TUBE AS | |
| 41. | 7I-3921 | [1] | CLIP | |
| 42. | 9D-2632 Y | [1] | ACCUMULATOR GP-HYDRAULIC (CHARGED)(PILOT) | |
| 43. | 6V-0852 | [1] | CAP-DUST (HYDRAULIC TEST PORT) | |
| 44. | 6V-3965 | [1] | FITTING (QUICK DISCONNECT)(DIAGNOSTIC) | |
| 46. | 3E-2310 | [1] | TEE | |
| 48. | 9U-0181 | [1] | TUBE AS | |
| 51. | 148-8318 | [1] | CONNECTOR AS | |
| 6V-8634 | [1] | CONNECTOR | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 3K-0360 | [1] | SEAL-O-RING | ||
| 52. | 3K-0360 | [1] | SEAL-O-RING | |
| 53. | 148-8434 | [1] | TEE AS | |
| 6V-9843 | [1] | TEE | ||
| 6V-8397 | [2] | SEAL-O-RING | ||
| 54. | 8T-4779 M | [3] | BOLT (M16X2X35-MM) | |
| 9X-8257 | [3] | WASHER (17.5X30X3.5-MM THK) | ||
| 56. | 9U-0183 | [1] | TUBE AS | |
| 57. | 9U-0198 | [1] | TUBE AS | |
| 61. | 148-8444 | [2] | TEE AS-SWIVEL | |
| (EACH INCLUDES) | ||||
| 6V-9837 | [1] | TEE-SWIVEL | ||
| 6V-8398 | [2] | SEAL-O-RING | ||
| 62. | 6V-9169 | [7] | NUT (13/16-16-THD) | |
| 63. | 110-4628 | [1] | TEE-UNION | |
| 64. | 8T-5005 M | [2] | BOLT (M10X1.5X70-MM) | |
| 65. | 8X-1535 | [1] | PLATE | |
| 67. | 8T-4139 M | [3] | BOLT (M12X1.75X30-MM) | |
| 70. | 8C-3451 | [1] | CAP-DUST (HYDRAULIC OIL)(HYDRAULIC TEST PORT) | |
| 72. | 8T-4223 | [9] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 74. | 5V-8913 | [8] | CLAMP-HALF | |
| 75. | 8W-0227 I | [4] | HOSE AS | |
| 76. | 8T-4185 M | [10] | BOLT (M10X1.5X50-MM) | |
| 77. | 5V-8912 | [2] | CLAMP-HALF | |
| 78. | 5P-7464 | [1] | CLIP (SLOT) | |
| 5P-7465 | [1] | CLIP (TAB) | ||
| 6V-1249 | [1] | GROMMET (22-MM ID) | ||
| 79. | 9T-9551 Y | [1] | VALVE GP-COMBINATION (PILOT, BRAKE) | |
| 80. | 8T-4183 M | [1] | BOLT (M12X1.75X40-MM) | |
| 8T-4244 M | [1] | NUT (M12X1.75-THD) | ||
| 81. | 148-8457 | [6] | UNION AS (STRAIGHT) | |
| (EACH INCLUDES) | ||||
| 6V-8995 | [1] | UNION (STRAIGHT) | ||
| 6V-8398 | [2] | SEAL-O-RING | ||
| 82. | 8T-8902 | [1] | ADAPTER-TEE | |
| 83. | 148-8365 | [1] | ELBOW AS | |
| 8T-6876 | [1] | ELBOW | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 84. | 6V-9168 | [2] | NUT (11/16-16-THD) | |
| 85. | 149-5452 | [2] | UNION AS (STRAIGHT) | |
| (EACH INCLUDES) | ||||
| 6V-8994 | [1] | UNION (STRAIGHT) | ||
| 6V-8397 | [2] | SEAL-O-RING | ||
| 86. | 148-8371 | [1] | ELBOW AS | |
| 8C-8988 | [1] | ELBOW | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 88. | 148-8340 | [3] | CONNECTOR AS | |
| (EACH INCLUDES) | ||||
| 6V-8639 | [1] | CONNECTOR | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 3K-0360 | [1] | SEAL-O-RING | ||
| 89. | 9U-0193 | [1] | TUBE AS | |
| 90. | 8C-3446 | [1] | VALVE-SAMPLING | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 92. | 4E-9284 I | [1] | HOSE AS | |
| 93. | 234-0351 CY | [1] | VALVE GP-RELIEF (BRAKING SYSTEM BACKUP) | |
| 94. | 148-8364 | [1] | ELBOW AS | |
| 6V-8625 | [1] | ELBOW | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 3K-0360 | [1] | SEAL-O-RING | ||
| 95. | 7X-3164 | [1] | ADAPTER-SWIVEL | |
| 96. | 125-6373 | [1] | ANGLE | |
| 97. | 8T-4970 M | [2] | BOLT (M6X1X14-MM) | |
| 98. | 9X-8256 | [2] | WASHER (6.6X12X2-MM THK) | |
| 99. | 164-5633 | [1] | ADAPTER AS | |
| 112-7614 | [1] | ADAPTER | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP24310511
2Q-7107: LINES GP-TILT CYLINDER
2Q-7107 LINES GP-TILT CYLINDER -HIGH LIFT MACHINES
S/N 4FR1-UP
PART OF 2Z-9990 LIFT AR
S/N 4FR1-UP
PART OF 2Z-9990 LIFT AR
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4E-5421 | [2] | MANIFOLD | |
| 2. | 8T-4193 M | [8] | BOLT (M16X2X50-MM) | |
| 3. | 164-5567 | [2] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 4. | 6V-0852 | [2] | CAP-DUST | |
| 6. | 8T-4956 M | [4] | BOLT (M12X1.75X35-MM) | |
| 7. | 8T-4223 | [14] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 8. | 211-0507 | [2] | BRACKET AS | |
| 9. | 148-8407 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 9S-4191 | [1] | PLUG (9/16-18-THD) | ||
| 10. | 8T-4140 M | [28] | BOLT (M16X2X60-MM) | |
| 11. | 9X-8257 | [34] | WASHER (17.5X30X3.5-MM THK) | |
| 12. | 4E-5423 | [1] | BRACKET | |
| 13. | 7X-2553 M | [2] | BOLT (M16X2X40-MM) | |
| 14. | 5P-8077 | [16] | FLANGE-HALF | |
| 15. | 4E-5414 I | [1] | HOSE AS | |
| 16. | 1P-3705 | [8] | SEAL-RECTANGULAR | |
| 17. | 7X-2556 M | [4] | BOLT (M16X2X100-MM) | |
| 18. | 4E-5411 I | [1] | HOSE AS | |
| 19. | 7X-2554 M | [4] | BOLT (M16X2X70-MM) | |
| 20. | 4E-5410 I | [1] | HOSE AS | |
| 21. | 8T-4910 M | [4] | BOLT (M12X1.75X60-MM) | |
| 22. | 4E-5417 | [1] | TUBE AS | |
| 23. | 1P-3706 | [3] | SEAL-RECTANGULAR | |
| 24. | 7Y-4039 | [4] | CLAMP-HALF | |
| 25. | 4E-5360 | [2] | SPACER (30-MM THK) | |
| 26. | 8T-4648 M | [3] | BOLT (M12X1.75X70-MM) | |
| 27. | 8T-4244 M | [3] | NUT (M12X1.75-THD) | |
| 28. | 2Q-7823 I | [1] | HOSE AS | |
| 29. | 2Q-7825 | [1] | TUBE AS | |
| 30. | 4E-5416 | [1] | TUBE AS | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
#SEBP24310512
8R-5672: LINES GP-TILT CYLINDER
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4E-5421 | [2] | MANIFOLD | |
| 2. | 8T-4193 M | [8] | BOLT (M16X2X50-MM) | |
| 3. | 6V-3965 | [2] | FITTING (QUICK DISCONNECT) | |
| 6V-0852 | [2] | CAP-DUST | ||
| 4. | 4E-5416 | [1] | TUBE AS | |
| 5. | 3J-1907 | [4] | SEAL-O-RING | |
| 6. | 8T-4956 M | [4] | BOLT (M12X1.75X35-MM) | |
| 7. | 8T-4223 | [14] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 8. | 211-0507 | [2] | BRACKET AS | |
| 9. | 9S-4191 | [2] | PLUG (9/16-18-THD) | |
| 10. | 8T-4140 M | [28] | BOLT (M16X2X60-MM) | |
| 11. | 9X-8257 | [34] | WASHER (17.5X30X3.5-MM THK) | |
| 12. | 4E-5418 | [1] | TUBE AS | |
| 13. | 4E-5423 | [1] | BRACKET | |
| 14. | 7X-2553 M | [2] | BOLT (M16X2X40-MM) | |
| 15. | 5P-8077 | [16] | FLANGE-HALF | |
| 16. | 4E-5415 I | [1] | HOSE AS | |
| 17. | 1P-3705 | [8] | SEAL-RECTANGULAR | |
| 18. | 7X-2556 M | [4] | BOLT (M16X2X100-MM) | |
| 19. | 4E-5411 I | [1] | HOSE AS | |
| 20. | 7X-2554 M | [4] | BOLT (M16X2X70-MM) | |
| 21. | 4E-5410 I | [1] | HOSE AS | |
| 22. | 8T-4910 M | [4] | BOLT (M12X1.75X60-MM) | |
| 23. | 4E-5417 | [1] | TUBE AS | |
| 24. | 1P-3706 | [3] | SEAL-RECTANGULAR | |
| 25. | 7Y-4039 | [4] | CLAMP-HALF | |
| 26. | 4E-5360 | [2] | SPACER (30-MM THK) | |
| 27. | 8T-4648 M | [3] | BOLT (M12X1.75X70-MM) | |
| 28. | 8T-4244 M | [3] | NUT (M12X1.75-THD) | |
| 29. | 4E-5414 I | [1] | HOSE AS | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
#SEBP24310513
224-8604: MAGNET GP-PILOT VALVE
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS#SEBP24310514
226-2758: MAGNET GP-PILOT VALVE
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS#SEBP24310515
159-7166: MOTOR GP-PISTON
159-7166 MOTOR GP-PISTON -HYDRAULIC FAN
S/N 4FR377-UP
PART OF 4E-9659 LINES GP-HYDRAULIC FAN
FIELD REPLACEMENT FOR @@@@@ 6E-4576@@@@@
S/N 4FR377-UP
PART OF 4E-9659 LINES GP-HYDRAULIC FAN
FIELD REPLACEMENT FOR @@@@@ 6E-4576@@@@@
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 9X-6497 | [1] | DOWEL | |
| 2. | 130-1673 M | [6] | BOLT-SOCKET HEAD (M16X2X35-MM) | |
| 3. | 111-9266 | [1] | HEAD | |
| 4. | 8T-9527 | [1] | SEAL-O-RING | |
| 5. | 6E-1682 | [1] | HOUSING | |
| 6. | 2M-9780 | [1] | SEAL-O-RING | |
| 7. | 9S-8006 | [1] | PLUG (7/8-14-THD) | |
| 8. | 178-4005 Y | [1] | ROTATING GP-MOTOR (HYDRAULIC FAN) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP24310516
6E-4576: MOTOR GP-PISTON
6E-4576 MOTOR GP-PISTON -HYDRAULIC FAN
S/N 4FR1-376
PART OF 4E-9659 LINES GP-HYDRAULIC FAN
FIELD REPLACEMENT ORDER @@@@@159-7166@@@@@
S/N 4FR1-376
PART OF 4E-9659 LINES GP-HYDRAULIC FAN
FIELD REPLACEMENT ORDER @@@@@159-7166@@@@@
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 106-1255 Y | [1] | ROTATING GP-MOTOR | |
| 2. | 6E-1682 | [1] | HOUSING | |
| 3. | 9S-8006 | [1] | PLUG (7/8-14-THD) | |
| 4. | 2M-9780 | [1] | SEAL-O-RING | |
| 5. | 8T-6594 M | [6] | BOLT-SOCKET HEAD (M16X2X35-MM) | |
| 6. | 6E-1684 | [6] | LOCKWASHER | |
| 7. | 9X-6497 | [1] | DOWEL | |
| 8. | 8T-9527 | [1] | SEAL-O-RING | |
| 9. | 111-9266 | [1] | HEAD | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP24310517
8R-5675: PUMP & MTG GP-IMPLEMENT
8R-5675 PUMP & MTG GP-IMPLEMENT -IMPLEMENT
S/N 4FR1-UP
PART OF 133-3997 HYDRAULIC AR
S/N 4FR1-UP
PART OF 133-3997 HYDRAULIC AR
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS#SEBP24310518
8R-5676: PUMP & MTG GP-PILOT & BRAKE
8R-5676 PUMP & MTG GP-PILOT & BRAKE
S/N 4FR1-UP
PART OF 133-3997 HYDRAULIC AR
Type 1
S/N 4FR1-UP
PART OF 133-3997 HYDRAULIC AR
Type 1
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SIS#SEBP24310519
8R-5676: PUMP & MTG GP-PILOT & BRAKE
8R-5676 PUMP & MTG GP-PILOT & BRAKE
S/N 4FR1-UP
PART OF 133-3997 HYDRAULIC AR
Type 2
S/N 4FR1-UP
PART OF 133-3997 HYDRAULIC AR
Type 2
Parts for your 990 II WHEEL LOADER:
CATERPILLAR SISInformation:
HYDRAULIC SYSTEM
LINES GP-PILOT
Technical Information Bulletin
SURGING CAN BE EXPERIENCED WHEN LOWERING LIFT ARMS
SURGING CAN BE EXPERIENCED WHEN LOWERING LIFT ARMS
SURGING CAN BE EXPERIENCED WHEN LOWERING LIFT ARMS
The Flange Head on <NOBR>442-5593</NOBR> Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on442-5593 Coupling As May Have Been Manufactured Incorrectly {5057}
The Flange Head on


