HYDRAULIC SYSTEM
CYLINDER GPLINES GP-BOOM
LINES GP-CYLINDER
LINES GP-BUCKET
LINES GP-CYLINDER
CYLINDER GP
HYDRAULIC SYSTEM
CYLINDER GP#XEBP76640360
129-8010: BLADE CYLINDER GROUP
  1298010 BLADE CYLINDER GROUP-120mm BORE x 202mm STROKE (R.H.)
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1298008-Page 383
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1298008-Page 383
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 129-8012 | [1] | CYLINDER ASSEM. | |
| 2. | 5I-3063 | [1] | BEARING | |
| 3. | 119-5445 J | [1] | RING | |
| 4. | 9X-3592 J | [1] | SEAL ASSEM. | |
| 5. | 105-7342 J | [1] | RING | |
| 6. | 125-1551 | [1] | PISTON | |
| 7. | 096-8139 | [1] | RING | |
| 8. | 095-1628 J | [1] | SEAL | |
| 9. | 099-0681 J | [1] | RING | |
| 10. | 114-0755 | [1] | BEARING | |
| 11. | 093-1484 J | [1] | SEAL | |
| 12. | 093-1479 J | [1] | SEAL | |
| 13. | 096-1054 J | [1] | RING | |
| 14. | 123-9950 | [1] | HEAD | |
| 15. | 165-9285 J | [1] | SEAL | |
| 16. | 114-8283 | [1] | ROD ASSEM. | |
| 17. | 5I-3063 | [1] | BEARING | |
| 18. | 099-0695 | [1] | RING | |
| 19. | 095-1676 J | [1] | SEAL | |
| 20. | 5I-3024 | [1] | LOCKNUT (M60X2) | |
| THE FOLLOWING REPAIR KIT IS AVAILABLE: | ||||
| 169-7835 | [1] | SEAL KIT (CONSISTS OF PARTS MARKED J) | ||
#XEBP76640361
119-2718: BOOM CYLINDER LINES
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS#XEBP76640362
119-2719: BOOM CYLINDER LINES
  BOOM CYLINDER LINES (1192719 N/S)
PART OF 1195418-Page 370
RIGHT HAND
AN ATTACHMENT
PART OF 1195418-Page 370
RIGHT HAND
AN ATTACHMENT
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS#XEBP76640363
124-0875: BOOM CYLINDER LINES
  BOOM CYLINDER LINES (1240875 N/S)
PART OF 1153136-Page 569
BOOM LOWERING
AN ATTACHMENT
PART OF 1153136-Page 569
BOOM LOWERING
AN ATTACHMENT
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 124-0859 | [1] | BLOCK | |
| 2. | 9S-4185 | [6] | PLUG | |
| 3. | 3K-0360 | [6] | SEAL | |
| 4. | 9X-6032 | [8] | BOLT (M10X1.5) | |
| 5. | 124-0850 | [1] | TUBE ASSEM. | |
| 6. | 4I-8888 | [2] | SEAL | |
| 7. | 124-0851 | [2] | TUBE ASSEM. | |
| 8. | 124-0920 | [1] | TUBE ASSEM. | |
| 9. | 8T-4182 | [8] | BOLT (M10X1.5) | |
| 10. | 124-0919 | [1] | TUBE ASSEM. | |
| 11. | 124-0856 | [2] | PIPE ASSEM. | |
| 12. | 124-0854 | [1] | TUBE ASSEM. | |
| 13. | 124-0860 | [1] | BLOCK | |
| 14. | 8T-6466 | [8] | BOLT (M10X1.5) | |
| 15. | 4J-5267 | [8] | SEAL | |
| 16. | 123-2065 Y | [2] | VALVE ASSEM. | |
| 17. | 121-6223 | [4] | SUPPORT ASSEM. | |
| 18. | 124-0921 | [1] | SUPPORT ASSEM. | |
| 19. | 124-0922 | [1] | SUPPORT ASSEM. | |
| 20. | 124-0923 | [2] | SUPPORT ASSEM. | |
| 21. | 8T-5436 | [8] | BOLT (M10X1.5) | |
| 22. | 8T-4196 | [8] | BOLT (M10X1.5) | |
| 23. | 8T-4121 | [12] | WASHER | |
| 24. | 8T-4185 | [4] | BOLT (M10X1.5) | |
| 25. | 096-5766 | [4] | CLAMP | |
| 26. | 6V-9182 | [2] | ELBOW | |
| 27. | 7M-8485 | [2] | SEAL | |
| 28. | 6V-9746 | [2] | SEAL | |
| Y | SEE SEPARATE ILLUSTRATION | |||
#XEBP76640364
119-2720: STICK CYLINDER LINES
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 123-2712 | [1] | TUBE ASSEM. | |
| 2. | 4J-5267 | [3] | SEAL | |
| 3. | 8T-4185 | [4] | BOLT (M10X1.5) | |
| 4. | 8T-6685 | [4] | BOLT (M10X1.5) | |
| 5. | 123-2711 | [1] | SUPPORT ASSEM. | |
| 6. | 093-1292 | [1] | CLAMP | |
| 7. | 8T-4223 | [1] | WASHER | |
| 8. | 8T-4910 | [1] | BOLT (M12X1.5) | |
| 9. | 8T-4196 | [2] | BOLT (M10X1.5) | |
| 10. | 8T-4121 | [2] | WASHER | |
| 11. | 121-6217 | [1] | SUPPORT ASSEM. | |
| 12. | 107-1464 | [1] | BLOCK | |
| 13. | 5I-3071 | [1] | ELBOW | 
#XEBP76640365
128-7566: BUCKET CYLINDER LINES
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 128-7567 | [1] | TUBE ASSEM. | |
| 2. | 4J-5267 | [1] | SEAL | |
| 3. | 8T-4182 | [4] | BOLT (M10X1.5) | |
| 4. | 8T-4223 | [1] | WASHER | |
| 5. | 8T-4194 | [1] | BOLT (M12X1.75) | |
| 6. | 093-1291 | [1] | CLAMP | |
| 7. | 121-6222 | [1] | SUPPORT ASSEM. | |
| 8. | 8T-4121 | [2] | WASHER | |
| 9. | 8T-4196 | [2] | BOLT (M10X1.5) | |
| 10. | 121-6223 | [1] | SUPPORT ASSEM. | 
#XEBP76640366
114-8338: BLADE CYLINDER LINES
  BLADE CYLINDER LINES (1148338 N/S)
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1298005-Page 373
LEFT HAND
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1298005-Page 373
LEFT HAND
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 8T-4182 | [4] | BOLT (M10X1.5) | |
| 2. | 125-7356 | [1] | PIPE ASSEM. | |
| 3. | 4J-5267 | [2] | SEAL | |
| 4. | 8T-4185 | [4] | BOLT (M10X1.5) | |
| 5. | 122-5418 | [1] | ELBOW | |
| 6. | 093-1291 | [1] | CLAMP | |
| 7. | 8T-4194 | [1] | BOLT (M12X1.75) | |
| 8. | 8T-4121 | [2] | WASHER | |
| 9. | 122-5500 | [1] | SUPPORT ASSEM. | |
| 10. | 8T-4121 | [2] | WASHER | |
| 11. | 8T-4195 | [2] | BOLT (M10X1.5) | |
| 12. | 122-5420 | [1] | SUPPORT ASSEM. | 
#XEBP76640367
114-8340: BLADE CYLINDER LINES
  BLADE CYLINDER LINES (1148340 N/S)
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1298006-Page 373
RIGHT HAND
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1298006-Page 373
RIGHT HAND
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 4J-5267 | [2] | SEAL | |
| 2. | 125-7357 | [1] | PIPE ASSEM. | |
| 3. | 8T-4182 | [4] | BOLT (M10X1.5) | |
| 4. | 8T-4185 | [4] | BOLT (M10X1.5) | |
| 5. | 122-5418 | [1] | ELBOW | |
| 6. | 093-1291 | [1] | CLAMP | |
| 7. | 8T-4194 | [1] | BOLT (M12X1.75) | |
| 8. | 8T-4223 | [1] | WASHER | |
| 9. | 122-5500 | [1] | SUPPORT ASSEM. | |
| 10. | 8T-4121 | [2] | WASHER | |
| 11. | 8T-4195 | [2] | BOLT (M10X1.5) | |
| 1. | 122-5420 | [1] | SUPPORT ASSEM. | 
#XEBP76640368
131-9859: BLADE CYLINDER LINES
  BLADE CYLINDER LINES (1319859 N/S)
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1315711-Page 327
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1315711-Page 327
Parts for your 311B EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments | 
|---|---|---|---|---|
| 1. | 139-1762 | [2] | HOSE ASSEM. | |
| 2. | 4I-8888 | [16] | SEAL | |
| 3. | 6V-8637 | [1] | CONNECTOR | |
| 4. | 3D-2824 | [4] | SEAL | |
| 5. | 6V-9746 | [2] | SEAL | |
| 6. | 139-1759 | [1] | HOSE ASSEM. | |
| 7I-1024 E | [1] | GUARD (48cm) | ||
| 7. | 139-1768 | [1] | HOSE ASSEM. | |
| 8. | 6V-0852 | [1] | CAP | |
| 9. | 3K-0360 | [4] | SEAL | |
| 10. | 6V-3965 | [1] | NIPPLE ASSEM. | |
| 11. | 7J-9108 | [1] | SEAL | |
| 12. | 3J-1907 | [1] | SEAL | |
| 13. | 8T-4224 | [3] | WASHER | |
| 14. | 7I-0047 | [3] | CONNECTOR | |
| 15. | 135-1274 | [1] | BOSS | |
| 16. | 128-7470 | [1] | HOSE ASSEM. | |
| 17. | 8T-4194 | [2] | BOLT (M12X1.75) | |
| 18. | 8T-4223 | [4] | WASHER | |
| 19. | 093-1295 | [2] | CLAMP | |
| 20. | 125-7240 | [1] | TUBE ASSEM. | |
| 21. | 125-7241 | [1] | TUBE ASSEM. | |
| 22. | 4I-8980 | [2] | CONNECTOR | |
| 23. | 139-1756 | [1] | HOSE ASSEM. | |
| 24. | 122-5373 Y | [1] | VALVE GROUP | |
| 25. | 6V-8629 | [1] | ELBOW | |
| 26. | 2M-9780 | [2] | SEAL | |
| 27. | 125-7234 | [1] | CONNECTOR | |
| 28. | 7X-0872 | [1] | TEE | |
| 29. | 5A-3604 | [3] | BOLT (8X1.25) | |
| 30. | 131-9982 | [1] | PLATE | |
| 31. | 8T-3957 | [2] | BOLT (M12X1.75) | |
| 32. | 139-1765 | [2] | HOSE ASSEM. | |
| 33. | 125-7232 | [1] | ELBOW | |
| 34. | 139-1789 | [1] | GUARD | |
| 35. | 103-1328 | [1] | ELBOW | |
| 36. | 4I-8889 | [1] | SEAL | |
| 37. | 5I-4332 | [1] | ELBOW | |
| 38. | 5P-7466 | [1] | CLIP (SLOT) | |
| 39. | 5P-7467 | [1] | CLIP (TAB) | |
| 40. | 5P-8112 | [1] | GROMMET | |
| 41. | 8T-4192 | [1] | BOLT (M12X1.75) | |
| E | ORDER BY THE cm | |||
| Y | SEE SEPARATE ILLUSTRATION | |||
#XEBP76640369
129-8017: BLADE CYLINDER GUARD
  BLADE CYLINDER GUARD (1298017 N/S)
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1324006-Page 781
EFFECTIVE WITH SERIAL NO. 2LS00001-
PART OF 1324006-Page 781
Parts for your 311B EXCAVATOR:
CATERPILLAR SISInformation:
HYDRAULIC SYSTEM
 
CYLINDER GP
 
Special Instruction 
  
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
      Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
                              Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
     Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Technical Information Bulletin 
  
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
      The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
            Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
     Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Specifications 
                                           
Tool Operating Manual 
  
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
      Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
      1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
      Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
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}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
      Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
      Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
     Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Reuse And Salvage Guidelines 
  
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the188-3926  Caterpillar Cylinder Tester and the  9U-6803  Caterpillar Cylinder Tester {0784, 7562} 
      Testing Hydraulic Cylinders Using the
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
                  Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
      Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
      Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
      Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
      Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
      HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
     Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Contamination Control Guidelines 
       
Applied Failure Analysis 
  
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
     Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Bench Test Procedures 
  
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the188-3926  Caterpillar Cylinder Tester and the  9U-6803  Caterpillar Cylinder Tester {0784, 7562} 
     Testing Hydraulic Cylinders Using the
Disassembly and Assembly 
                   
Service Magazine 
                                                                                               
 
  
  
  
  
 
 
 
 
 
 
 
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
 


