HYDRAULIC SYSTEM
VALVE GP-PILOTVALVE GP-FLOW CONTROL
VALVE GP-MANUAL
FRAME AND BODY
LINES GPHYDRAULIC SYSTEM
VALVE GP-PILOT#XEBP76640540
123-2604: PILOT VALVE GROUP
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 087-4710 | [2] | SETSCREW (M10X1.5) | |
| 2. | 087-5708 | [1] | PEDAL | |
| 3. | 095-1260 | [1] | SETSCREW (M6X1) | |
| 4. | 087-5709 | [1] | BELLOW | |
| 5. | 087-4704 | [2] | ROD | |
| 6. | 099-6135 | [2] | SCRAPER | |
| 7. | 094-0876 | [2] | SEAL | |
| 8. | 087-4703 | [2] | PLUG | |
| 9. | 095-1586 | [2] | SEAL | |
| 10. | 099-6136 | [4] | WASHER | |
| 11. | 099-6140 | [2] | SEAT | |
| 12. | 099-6145 | [1] | CAMSHAFT | |
| 13. | 099-6141 | [2] | WASHER | |
| 14. | 099-6137 | [2] | WASHER | |
| 15. | 099-6142 | [2] | SPRING | |
| 16. | 123-2605 | [2] | SPRING | |
| 17. | 099-6132 | [1] | HOUSING | |
| 18. | 087-5707 | [1] | COVER | |
| 19. | 087-4448 | [2] | BOLT (M8X1X25) | |
| 20. | 8T-4133 | [2] | NUT (M10X1.5) | |
| 21. | 099-6144 | [2] | BUSHING | 
#XEBP76640541
131-5914: PILOT VALVE GROUP
  1315914 PILOT VALVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00001-2LS00283, 8GR00001-8GR00591
PART OF 1232146-Page 528, 1232147-Page 529
EFFECTIVE WITH SERIAL NO. 2LS00001-2LS00283, 8GR00001-8GR00591
PART OF 1232146-Page 528, 1232147-Page 529
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 096-1622 | [1] | BUSHING | |
| 2. | 131-5863 | [2] | SPRING | |
| 3. | 118-4083 | [2] | SEAT | |
| 4. | 095-1586 | [4] | SEAL | |
| 5. | 118-4086 | [4] | ROD | |
| 6. | 131-5915 | [1] | NUT (M14X2) | |
| 7. | 4I-6365 | [1] | JOINT | |
| 8. | 4I-6366 | [1] | PLATE | |
| 9. | 118-4087 | [4] | SPRING | |
| 10. | 094-0872 | [1] | PLATE | |
| 11. | 099-6136 | [8] | WASHER | |
| 12. | 118-4085 | [2] | SEAT | |
| 13. | 131-5864 | [2] | SPRING | |
| 14. | 099-6137 B | [4] | WASHER | |
| 15. | 118-4082 | [4] | SPRING | |
| 16. | 131-5862 | [1] | BODY ASSEM. | |
| 17. | 096-1621 | [1] | SEAL | |
| 18. | 087-4969 | [1] | PLATE | |
| 19. | 7Y-0468 | [1] | PIN | |
| 20. | 096-4498 | [2] | WASHER | |
| 21. | 6V-5192 | [2] | BOLT (M8X1.25) | |
| 22. | 096-1628 | [4] | PLUG | |
| 23. | 094-0876 | [4] | SEAL | |
| 24. | 121-1631 | [2] | SEAT | |
| 25. | 121-1563 | [2] | SEAT | |
| B | USE AS REQUIRED | |||
#XEBP76640542
176-4984: PILOT VALVE GROUP
  1764984 PILOT VALVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00284-, 8GR00592-
PART OF 1764985-Page 528, 1764986-Page 529
EFFECTIVE WITH SERIAL NO. 2LS00284-, 8GR00592-
PART OF 1764985-Page 528, 1764986-Page 529
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 131-5915 | [1] | NUT (M14X2) | |
| 2. | 165-9431 | [1] | PLATE | |
| 3. | 4I-6365 | [1] | JOINT | |
| 4. | 118-4087 | [4] | SPRING | |
| 5. | 165-9436 | [2] | SEAT | |
| 6. | 165-9461 | [4] | SPRING | |
| 7. | 165-9439 | [1] | BUSHING | |
| 8. | 165-9448 | [1] | SEAL | |
| 9. | 168-0794 | [1] | PLATE | |
| 10. | 7Y-0468 | [1] | PIN | |
| 11. | 5B-9304 | [2] | SCREW | |
| 12. | 099-6137 B | [4] | WASHER (0.2mm THICK) | |
| 13. | 165-9435 | [2] | SEAT | |
| 14. | 095-1586 | [4] | SEAL | |
| 15. | 165-9438 | [1] | PLATE | |
| 16. | 118-4086 | [4] | ROD | |
| 17. | 096-1628 | [4] | PLUG | |
| 18. | 094-0876 | [4] | SEAL | |
| 19. | 096-4498 | [2] | WASHER | |
| 20. | 6V-8337 | [2] | BOLT (M8X1.25) | |
| 21. | 165-9444 | [2] | SEAT | |
| 22. | 165-9460 | [2] | SPRING | |
| 23. | 165-9443 | [2] | SEAT | |
| 24. | 165-9442 | [2] | SPRING | |
| 25. | 168-0787 | [1] | BODY ASSEM. | |
| B | USE AS REQUIRED | |||
#XEBP76640543
184-3899: PILOT VALVE GROUP
  1843899 PILOT VALVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00284-, 8GR00592-
PART OF 1764985-Page 528, 1764986-Page 529
EFFECTIVE WITH SERIAL NO. 2LS00284-, 8GR00592-
PART OF 1764985-Page 528, 1764986-Page 529
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 131-5915 | [1] | NUT (M14X2) | |
| 2. | 165-9431 | [1] | PLATE | |
| 3. | 4I-6365 | [1] | JOINT | |
| 4. | 118-4087 | [4] | SPRING | |
| 5. | 165-9436 | [2] | SEAT | |
| 6. | 165-9461 | [4] | SPRING | |
| 7. | 165-9439 | [1] | BUSHING | |
| 8. | 165-9448 | [1] | SEAL | |
| 9. | 168-0794 | [1] | PLATE | |
| 10. | 7Y-0468 | [1] | PIN | |
| 11. | 5B-9304 | [2] | SCREW | |
| 12. | 099-6137 B | [4] | WASHER (0.2mm THICK) | |
| 13. | 165-9435 | [2] | SEAT | |
| 14. | 095-1586 | [4] | SEAL | |
| 15. | 165-9438 | [1] | PLATE | |
| 16. | 118-4086 | [4] | ROD | |
| 17. | 096-1628 | [4] | PLUG | |
| 18. | 094-0876 | [4] | SEAL | |
| 19. | 096-4498 | [2] | WASHER | |
| 20. | 6V-8337 | [2] | BOLT (M8X1.25) | |
| B | USE AS REQUIRED | |||
#XEBP76640544
184-3900: PILOT VALVE GROUP
  1843900 PILOT VALVE GROUP
EFFECTIVE WITH SERIAL NO. 2LS00284-, 8GR00592-
PART OF 1764985-Page 528, 1764986-Page 529
EFFECTIVE WITH SERIAL NO. 2LS00284-, 8GR00592-
PART OF 1764985-Page 528, 1764986-Page 529
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 131-5915 | [1] | NUT (M14X2) | |
| 2. | 165-9431 | [1] | PLATE | |
| 3. | 4I-6365 | [1] | JOINT | |
| 4. | 118-4087 | [4] | SPRING | |
| 5. | 165-9436 | [2] | SEAT | |
| 6. | 165-9461 | [4] | SPRING | |
| 7. | 165-9439 | [1] | BUSHING | |
| 8. | 165-9448 | [1] | SEAL | |
| 9. | 168-0794 | [1] | PLATE | |
| 10. | 7Y-0468 | [1] | PIN | |
| 11. | 5B-9304 | [2] | SCREW | |
| 12. | 099-6137 B | [4] | WASHER (0.2mm THICK) | |
| 13. | 165-9435 | [2] | SEAT | |
| 14. | 095-1586 | [4] | SEAL | |
| 15. | 165-9438 | [1] | PLATE | |
| 16. | 118-4086 | [4] | ROD | |
| 17. | 096-1628 | [4] | PLUG | |
| 18. | 094-0876 | [4] | SEAL | |
| 19. | 096-4498 | [2] | WASHER | |
| 20. | 6V-8337 | [2] | BOLT (M8X1.25) | |
| B | USE AS REQUIRED | |||
#XEBP76640545
105-7266: FLOW CONTROL VALVE GROUP
  1057266 FLOW CONTROL VALVE GROUP
PART OF 1192735-Page 435, 437, 439, 1319857-Page 447, 449, 451
PART OF 1192735-Page 435, 437, 439, 1319857-Page 447, 449, 451
#XEBP76640546
4I-6363: BALL VALVE ASSEMBLY
  4I6363 BALL VALVE ASSEMBLY
PART OF 1192752-Page 471, 473, 475, 1192753-Page 483, 485, 1421014-Page 477, 479, 481
3 WAY
AN ATTACHMENT
PART OF 1192752-Page 471, 473, 475, 1192753-Page 483, 485, 1421014-Page 477, 479, 481
3 WAY
AN ATTACHMENT
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS#XEBP76640547
4I-6188: BALL VALVE ASSEMBLY
  4I6188 BALL VALVE ASSEMBLY-STOP
PART OF 1192751-Page 501, 1391850-Page 505
AN ATTACHMENT
PART OF 1192751-Page 501, 1391850-Page 505
AN ATTACHMENT
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS#XEBP76640548
133-2719: VALVE ASSEMBLY
#XEBP76640549
127-1323: VALVE ASSEMBLY
  1271323 VALVE ASSEMBLY
PART OF 1348961-Page 803, 805, 807, 1373254-Page 809, 811
AN ATTACHMENT
PART OF 1348961-Page 803, 805, 807, 1373254-Page 809, 811
AN ATTACHMENT
Information:
HYDRAULIC SYSTEM
 
VALVE GP-PILOT
 
Special Instruction 
  
Installation of the Four-Way Pilot Valve (Control Pattern Change) {5496}
Installation of the Four-Way Pilot Valve (Control Pattern Change) {5496}
      Installation of the Four-Way Pilot Valve (Control Pattern Change) {5496}
Installation of the Two-Way Pilot Valve (Control Pattern Change) {5051, 5059}
Installation of the Two-Way Pilot Valve (Control Pattern Change) {5051, 5059}
     Installation of the Two-Way Pilot Valve (Control Pattern Change) {5051, 5059}
Specifications 
                               
Disassembly and Assembly 
                   
Service Magazine 
                                                              
 
  
  
  
  
  
  
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
 


