HYDRAULIC SYSTEM
VALVE GP-CONTROLVALVE GP-MANUAL
VALVE GP-PILOT
HYDRAULIC SYSTEM
VALVE GP-CONTROL#SEBP46010230
275-2878: VALVE GP-CONTROL
275-2878 VALVE GP-CONTROL -STICK
PART OF 269-5956, 298-2877 VALVE GP-MAIN CONTROL
PART OF 269-5956, 298-2877 VALVE GP-MAIN CONTROL
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| (NO BREAKDOWN OF SERVICEABLE PARTS AVAILABLE AT TIME OF PUBLICATION) | ||||
#SEBP46010231
275-2879: VALVE GP-CONTROL
275-2879 VALVE GP-CONTROL -INLET, OUTLET
PART OF 269-5956, 298-2877 VALVE GP-MAIN CONTROL
PART OF 269-5956, 298-2877 VALVE GP-MAIN CONTROL
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| (NO BREAKDOWN OF SERVICEABLE PARTS AVAILABLE AT TIME OF PUBLICATION) | ||||
#SEBP46010232
269-5956: VALVE GP-MAIN CONTROL
269-5956 VALVE GP-MAIN CONTROL
S/N CXZ1-432
PART OF 266-2643 VALVE & MTG GP-MAIN CONTROL
S/N CXZ1-432
PART OF 266-2643 VALVE & MTG GP-MAIN CONTROL
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 204-3923 | [2] | VALVE GP-RELIEF (MAIN) | |
| 2. | 200-4856 M | [8] | NUT (M8X1.25-THD) | |
| 3. | 200-4857 | [4] | ROD | |
| 4. | 200-4858 Y | [1] | VALVE GP-CONTROL (BUCKET) | |
| 5. | 275-2877 Y | [1] | VALVE GP-CONTROL (BOOM) | |
| 6. | 200-4860 Y | [1] | VALVE GP-CONTROL (TRAVEL)(LH) | |
| 7. | 200-4861 Y | [1] | VALVE GP-CONTROL (INLET) | |
| 8. | 200-4862 Y | [1] | VALVE GP-CONTROL (TRAVEL)(RH) | |
| 9. | 275-2878 Y | [1] | VALVE GP-CONTROL (STICK) | |
| 10. | 200-4864 Y | [1] | VALVE GP-CONTROL (WORK TOOL) | |
| 11. | 200-4865 Y | [1] | VALVE GP-CONTROL (BOOM, WORK TOOL COMBINER VALVE) | |
| 12. | 200-4866 Y | [1] | VALVE GP-CONTROL (SWING) | |
| 13. | 200-4867 Y | [1] | VALVE GP-CONTROL (BLADE) | |
| 14. | 200-4868 Y | [1] | VALVE GP-CONTROL (BOOM SWING) | |
| 15. | 275-2879 Y | [1] | VALVE GP-CONTROL (INLET, OUTLET) | |
| 16. | 170-8898 | [1] | VALVE GP-RELIEF (MAIN) | |
| 17. | 200-4870 | [2] | VALVE GP-RELIEF (LINE)(BOOM) | |
| 18. | 200-4870 | [1] | VALVE GP-RELIEF (LINE)(BUCKET) | |
| 19. | 200-4870 | [2] | VALVE GP-RELIEF (LINE)(STICK) | |
| 20. | 200-4871 | [1] | VALVE GP-MANUAL (SHUTOFF) | |
| 21. | 185-0555 | [6] | VALVE AS-MANUAL (SHUTOFF) | |
| 22. | 9S-4185 | [4] | PLUG (3/4-16-THD) | |
| 23. | 3K-0360 | [4] | SEAL-O-RING | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP46010233
298-2877: VALVE GP-MAIN CONTROL
298-2877 VALVE GP-MAIN CONTROL
S/N CXZ433-UP
PART OF 297-8589 VALVE & MTG GP-MAIN CONTROL
S/N CXZ433-UP
PART OF 297-8589 VALVE & MTG GP-MAIN CONTROL
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 299-1084 | [1] | SPOOL (BOOM II) | |
| 2. | 200-4856 M | [8] | NUT (M8X1.25-THD) | |
| 3. | 200-4857 | [4] | ROD | |
| 4. | 200-4858 Y | [1] | VALVE GP-CONTROL (BUCKET) | |
| 5. | 275-2877 Y | [1] | VALVE GP-CONTROL (BOOM) | |
| 6. | 200-4860 Y | [1] | VALVE GP-CONTROL (TRAVEL)(LH) | |
| 7. | 200-4861 Y | [1] | VALVE GP-CONTROL (INLET) | |
| 8. | 200-4862 Y | [1] | VALVE GP-CONTROL (TRAVEL)(RH) | |
| 9. | 275-2878 Y | [1] | VALVE GP-CONTROL (STICK) | |
| 10. | 200-4864 Y | [1] | VALVE GP-CONTROL (WORK TOOL) | |
| 11. | 200-4865 Y | [1] | VALVE GP-CONTROL (BOOM, WORK TOOL COMBINER VALVE) | |
| 12. | 200-4866 Y | [1] | VALVE GP-CONTROL (SWING) | |
| 13. | 200-4867 Y | [1] | VALVE GP-CONTROL (BLADE) | |
| 14. | 200-4868 Y | [1] | VALVE GP-CONTROL (BOOM SWING) | |
| 15. | 275-2879 Y | [1] | VALVE GP-CONTROL (INLET, OUTLET) | |
| 16. | 170-8898 | [1] | VALVE GP-RELIEF (MAIN) | |
| 17. | 200-4870 | [5] | VALVE GP-RELIEF (LINE) | |
| 18. | 200-4871 | [1] | VALVE GP-MANUAL (SHUTOFF) | |
| 19. | 185-0555 | [6] | VALVE AS-MANUAL (SHUTOFF) | |
| 20. | 9S-4185 | [4] | PLUG (3/4-16-THD) | |
| 21. | 3K-0360 | [4] | SEAL-O-RING | |
| 22. | 204-3923 | [2] | VALVE GP-RELIEF (MAIN) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP46010234
204-8278: VALVE GP-MANUAL
204-8278 VALVE GP-MANUAL -WORK TOOL
PART OF 263-1878 LINES GP-AUXILIARY HYDRAULIC
AN ATTACHMENT
PART OF 263-1878 LINES GP-AUXILIARY HYDRAULIC
AN ATTACHMENT
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP46010235
162-4578: VALVE GP-PILOT
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 096-4544 | [2] | PIN-SPRING | |
| 2. | 126-9993 | [2] | SCREW-DRIVE | |
| 3. | 136-0150 | [2] | SHIM (0.1-MM THK) | |
| 4. | 136-0151 | [2] | SHIM (0.2-MM THK) | |
| 5. | 136-0149 | [1] | BOOT | |
| 6. | 136-0146 | [1] | PEDAL | |
| 7. | 136-0157 | [2] | WASHER (8.4X15.5X1.6-MM THK) | |
| 8. | 136-0155 M | [1] | SETSCREW (M4X0.7X8-MM) | |
| 9. | 136-0147 | [1] | PIN | |
| 10. | 136-0140 | [2] | PUSHROD | |
| 11. | 095-1512 | [2] | SEAL-O-RING | |
| 12. | 6V-8202 M | [2] | BOLT-SOCKET HEAD (M8X1.25X16-MM) | |
| 13. | 136-0143 | [1] | COVER | |
| 14. | 136-0152 | [2] | SEAL-O-RING | |
| 15. | 137-9114 | [2] | SEAT-SPRING | |
| 16. | 136-0148 | [2] | SPRING | |
| 17. | 136-0141 | [2] | SPRING | |
| 18. | 136-0156 | [2] | WASHER (4.3X0.8X0.8-MM THK) | |
| 19. | 136-0145 | [6] | SHIM (0.1-MM THK) | |
| 20. | 102-0818 | [1] | PLUG | |
| 21. | 3J-1907 | [1] | SEAL-O-RING | |
| 22. | 185-9075 | [1] | BODY AS | |
| M | METRIC PART | |||
#SEBP46010236
165-9522: VALVE GP-PILOT
165-9522 VALVE GP-PILOT -TRAVEL
PART OF 266-2679 CONTROL GP-PILOT OPERATED HYD
PART OF 266-2679 CONTROL GP-PILOT OPERATED HYD
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 087-4707 | [4] | SPRING | |
| 2. | 131-5818 | [4] | SPRING | |
| 3. | 095-0936 | [4] | RING-RETAINING | |
| 4. | 126-1865 | [4] | SPRING | |
| 5. | 126-1866 | [4] | SPRING | |
| 6. | 147-4221 | [4] | PISTON | |
| 7. | 6V-8400 | [4] | SEAL-O-RING | |
| 8. | 165-9463 | [2] | COVER | |
| 9. | 165-9554 | [4] | PLUG | |
| 10. | 119-5389 | [4] | PACKING | |
| 11. | 165-9552 | [4] | PUSHROD | |
| 12. | 8T-4133 M | [4] | NUT (M10X1.5-THD) | |
| 13. | 087-4710 M | [4] | SETSCREW (M10X21-MM) | |
| 14. | 147-4131 | [2] | BOOT-PROTECTION | |
| 15. | 087-5708 | [2] | PEDAL | |
| 16. | 8T-0343 M | [2] | BOLT-SOCKET HEAD (M12X1.75X55-MM) | |
| 17. | 119-5388 | [4] | CAP | |
| 18. | 165-9553 | [1] | COVER | |
| 19. | 119-5391 | [4] | SEAT | |
| 20. | 153-5223 | [12] | BALL | |
| 21. | 119-5392 | [4] | BUSHING | |
| 22. | 165-9551 | [4] | SEAT | |
| 23. | 8T-6759 | [2] | PLUG-PIPE | |
| 24. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 25. | 099-6141 | [4] | WASHER (6.1X11X1.5-MM THK) | |
| 26. | 099-6145 | [2] | CAMSHAFT | |
| 27. | 099-6144 | [4] | BUSHING-TERMINAL | |
| 28. | 095-1260 M | [2] | SETSCREW-SOCKET (M6X1X6-MM) | |
| 29. | 8T-1158 M | [2] | BOLT-SOCKET HEAD (M8X1.25X20-MM) | |
| M | METRIC PART | |||
#SEBP46010237
191-1392: VALVE GP-PILOT
191-1392 VALVE GP-PILOT -BLADE CONTROL
PART OF 244-9583 CONTROL GP-BLADE
PART OF 244-9583 CONTROL GP-BLADE
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6I-6911 | [2] | SHIM | |
| 2. | 6I-6912 | [2] | SHIM | |
| 3. | 198-7543 | [2] | GUIDE | |
| 4. | 198-8153 | [2] | SCREW | |
| 5. | 198-8154 | [2] | SPRING | |
| 6. | 096-4535 | [2] | SLEEVE | |
| 7. | 099-0361 | [2] | SHIM | |
| 8. | 132-9046 | [2] | SHIM (0.1-MM THK) | |
| 9. | 198-8156 | [1] | BOOT | |
| 10. | 204-1974 | [1] | PIN | |
| 11. | 198-8159 | [2] | SLEEVE | |
| 12. | 198-8160 | [1] | COLLAR | |
| 13. | 198-8161 | [2] | SPRING | |
| 14. | 198-8162 | [2] | HOLDER | |
| 15. | 198-8163 | [1] | SPRING | |
| 16. | 198-8164 | [1] | SPRING | |
| 17. | 204-1975 | [1] | CAM-ACTUATOR | |
| 18. | 198-8165 | [1] | BOLT | |
| 19. | 8T-8442 M | [2] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 20. | 8T-1158 M | [2] | BOLT-SOCKET HEAD (M8X1.25X20-MM) | |
| 21. | 096-4543 | [1] | BOLT | |
| 22. | 095-1260 M | [1] | SETSCREW-SOCKET (M6X1X6-MM) | |
| 23. | 198-8166 | [2] | WASHER | |
| 24. | 198-8167 | [2] | NUT | |
| 25. | 198-8168 | [2] | BALL | |
| 26. | 095-1578 | [2] | SEAL-O-RING | |
| 27. | 8T-0211 | [2] | SEAL-O-RING | |
| 28. | 204-1976 | [1] | LEVER AS | |
| 29. | 198-8176 | [2] | ROD AS | |
| 30. | 198-8169 | [1] | BODY AS | |
| 31. | 204-1979 | [1] | COVER AS | |
| M | METRIC PART | |||
#SEBP46010238
193-6360: VALVE GP-PILOT
193-6360 VALVE GP-PILOT -JOYSTICK
PART OF 191-1387, 191-1388 CONTROL GP-JOYSTICK
PART OF 191-1387, 191-1388 CONTROL GP-JOYSTICK
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 171-0087 | [1] | BELLOWS | |
| 2. | 7Y-8463 M | [1] | NUT (M14X2-THD) | |
| 3. | 131-5915 M | [1] | NUT-SPECIAL | |
| 4. | 165-9431 | [1] | PLATE | |
| 5. | 4I-6365 | [1] | JOINT | |
| 6. | 194-0784 | [2] | SPRING | |
| 7. | 190-7751 | [2] | SPRING | |
| 8. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 9. | 095-1586 | [4] | SEAL-O-RING | |
| 10. | 094-0876 | [4] | SEAL | |
| 11. | 114-8242 | [2] | PUSHROD | |
| 12. | 135-8956 | [2] | ROD | |
| 13. | 096-1628 | [4] | PLUG | |
| 14. | 165-9438 | [1] | PLATE | |
| 15. | 139-4805 | [1] | BUSHING | |
| 16. | 139-4804 | [1] | PIN | |
| 17. | 6V-8337 M | [2] | BOLT-SOCKET HEAD (M8X1.25X35-MM) | |
| 18. | 096-4498 | [2] | WASHER-SEALING | |
| M | METRIC PART | |||
#SEBP46010239
341-3549: VALVE GP-PILOT
341-3549 VALVE GP-PILOT -TRAVEL
PART OF 266-2679 CONTROL GP-PILOT OPERATED HYD
PART OF 266-2679 CONTROL GP-PILOT OPERATED HYD
Parts for your 305.5 MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-1158 M | [2] | BOLT-SOCKET HEAD (M8X1.25X20-MM) | |
| 2. | 165-9463 | [2] | COVER | |
| 3. | 165-9554 | [4] | PLUG | |
| 4. | 119-5388 | [4] | CAP | |
| 5. | 165-9553 | [1] | COVER | |
| 6. | 119-5389 | [4] | PACKING | |
| 7. | 095-1575 | [2] | SEAL-O-RING | |
| 8. | 6V-8400 | [4] | SEAL-O-RING | |
| 9. | 310-0420 | [4] | SEAL-O-RING | |
| 10. | 165-9552 | [4] | PUSHROD | |
| 11. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 12. | 119-5391 | [4] | SEAT | |
| 13. | 8C-6965 M | [2] | BOLT-SOCKET HEAD (M6X1X45-MM) | |
| 14. | 147-4221 | [4] | PISTON | |
| 15. | 153-5223 | [12] | BALL | |
| 16. | 095-0673 M | [2] | BOLT-SOCKET HEAD (M12X1.75X60-MM) | |
| 17. | 310-0419 | [4] | SEAT | |
| 18. | 099-6141 | [4] | WASHER (6.1X11X1.5-MM THK) | |
| 19. | 131-5818 | [4] | SPRING | |
| 20. | 087-4707 | [4] | SPRING | |
| 21. | 126-1865 | [4] | SPRING | |
| 22. | 126-1866 | [4] | SPRING | |
| 23. | 099-6144 | [4] | BUSHING-TERMINAL | |
| 24. | 099-6145 | [2] | CAMSHAFT | |
| 25. | 087-5708 | [2] | PEDAL | |
| 26. | 095-1260 M | [2] | SETSCREW-SOCKET (M6X1X6-MM) | |
| 27. | 087-4710 M | [4] | SETSCREW (M10X21-MM) | |
| 28. | 8T-4133 M | [4] | NUT (M10X1.5-THD) | |
| 29. | 147-4131 | [2] | BOOT-PROTECTION | |
| M | METRIC PART | |||
Information:
HYDRAULIC SYSTEM
VALVE GP-CONTROL
Special Instruction
Procedure for Installing a New Pump and Valve Spool{5070, 5073}
Procedure for Installing a New Pump and Valve Spool{5070, 5073}
Procedure for Installing a New Pump and Valve Spool{5070, 5073}
Specifications
Tool Operating Manual
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Systems Operation
Testing and Adjusting
Disassembly and Assembly

