HYDRAULIC SYSTEM
VALVE GP-CONTROLVALVE GP-PILOT
VALVE GP-RELIEF
VALVE GP-SOLENOID
HYDRAULIC SYSTEM
VALVE GP-CONTROL#SEBC13390001
2Q-7922: VALVE GP-CONTROL
2Q-7922 VALVE GP-CONTROL -CUSTOM
KIT-3RD VALVE
KIT-3RD VALVE
Parts for your 938G WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 209-1527 JI | [2] | HOSE AS | |
| 2. | 209-1524 J | [1] | TUBE AS | |
| 3. | 209-1523 J | [1] | TUBE AS | |
| 4. | 2Q-7959 J | [1] | TUBE AS-RH | |
| 5. | 5K-9090 J | [2] | SEAL-O-RING | |
| 6. | 2Q-7960 J | [1] | TUBE AS-LH | |
| 7. | 8T-4121 J | [36] | WASHER-HARD (11X21X2.5-MM THK) | |
| 8. | 8T-4186 JM | [24] | BOLT (M10X1.5X40-MM) | |
| 9. | 8C-3206 J | [12] | FLANGE-HALF | |
| 10. | 4J-0520 J | [6] | SEAL-O-RING | |
| 11. | 8T-4195 JM | [6] | BOLT (M10X1.5X30-MM) | |
| 12. | 8T-4137 JM | [6] | BOLT (M10X1.5X20-MM) | |
| 13. | 209-1528 J | [2] | BRACKET AS | |
| (EACH INCLUDES) | ||||
| 8T-3490 JM | [2] | NUT-WELD (M10X1.5-THD) | ||
| 14. | 5H-4019 J | [2] | COVER | |
| 15. | 5K-0806 J | [2] | CLAMP | |
| 16. | 238-4770 J | [1] | PLATE | |
| 17. | 7M-8485 J | [2] | SEAL-O-RING | |
| 18. | 6V-8635 J | [2] | CONNECTOR | |
| 19. | 8T-1889 J | [4] | CLIP (SLOT) | |
| 20. | 8T-1890 J | [4] | CLIP (TAB) | |
| 21. | 4I-6289 T | [2] | PLATE | |
| 22. | 6R-7626 T | [2] | STOP-PEDAL | |
| 23. | 128-4195 LI | [2] | HOSE AS | |
| 24. | 3J-1907 L | [2] | SEAL-O-RING | |
| 25. | 5P-4325 L | [1] | CLIP | |
| 26. | 6V-8397 L | [4] | SEAL-O-RING | |
| 27. | 6V-8724 L | [2] | ELBOW | |
| 28. | 6V-3683 N | [2] | SEAL-O-RING | |
| 29. | 5P-6718 N | [2] | SEAL-O-RING | |
| 30. | 6E-0738 N | [3] | ROD | |
| 31. | 142-1424 NY | [1] | VALVE GP-PILOT (AUXILIARY) | |
| 32. | 2Q-7712 P | [1] | TUBE AS | |
| 33. | 6E-5958 PY | [1] | VALVE GP-CONTROL (AUXILIARY) | |
| 34. | 4M-2381 Q | [1] | SPRING | |
| 35. | 113-9234 Q | [2] | CONNECTOR | |
| 36. | 114-3937 Q | [1] | ROD | |
| 37. | 114-3938 Q | [1] | TAB | |
| 38. | 114-3949 Q | [1] | LOCK AS | |
| 39. | 124-4401 Q | [1] | KNOB | |
| 40. | 128-7381 Q | [1] | COVER | |
| 41. | 143-9069 Q | [1] | ROD | |
| 42. | 3J-1907 Q | [2] | SEAL-O-RING | |
| 43. | 6V-5683 QM | [2] | BOLT (M6X1X16-MM) | |
| 44. | 8T-4244 QM | [1] | NUT (M12X1.75-THD) | |
| 45. | 9X-8256 Q | [2] | WASHER (6.6X12X2-MM THK) | |
| THE FOLLOWING COMPONENTS TO BE USED WHEN MACHINE IS EQUIPPED WITH RIDE CONTROL OPTION. | ||||
| REFER TO CUSTOM PRODUCT SUPPORT LITERATURE FOR INSTALLATION INSTRUCTIONS IN THE BACK OF THIS BOOK. | ||||
| 5K-9090 F | [4] | SEAL-O-RING | ||
| 6V-8635 F | [1] | CONNECTOR | ||
| 6V-8734 F | [1] | UNION | ||
| 6V-9847 F | [1] | TEE-SWIVEL | ||
| 7M-8485 F | [1] | SEAL-O-RING | ||
| 9R-0975 FI | [1] | HOSE AS | ||
| 110-9672 FI | [1] | HOSE AS | ||
| 189-8223 FI | [1] | HOSE AS | ||
| 6V-8944 F | [1] | REDUCER-O-RING | ||
| F | NOT SHOWN | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| J | PART OF STANDARD LINES GP-FRONT | |||
| L | PART OF STANDARD LINES GP-PILOT | |||
| M | METRIC PART | |||
| N | PART OF STANDARD VALVE GP-PILOT (3-FUNCTION) | |||
| P | PART OF STANDARD VALVE & MTG GP-MAIN CONTROL (3-FUNCTION) | |||
| Q | PART OF STANDARD CONTROL GP-PILOT OPERATED HYD (3-FUNCTION) | |||
| T | PART OF STANDARD ARM AS-LIFT | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBC13390002
6E-5958: VALVE GP-CONTROL
6E-5958 VALVE GP-CONTROL -AUXILIARY
PILOT OPERATED
PART OF 2Q-7922 VALVE GP-CONTROL
PILOT OPERATED
PART OF 2Q-7922 VALVE GP-CONTROL
Parts for your 938G WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 6E-5434 | [2] | HOUSING-PILOT | |
| 2. | 8T-6870 M | [4] | BOLT (M8X1.25X70-MM) | |
| 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | ||
| 3. | 6E-6129 | [1] | PLUG-MAIN RELIEF | |
| 3K-0360 | [1] | SEAL-O-RING | ||
| 7J-9933 | [1] | SEAL-O-RING | ||
| 4. | 9S-4190 | [1] | PLUG | |
| 2M-9780 | [1] | SEAL-O-RING | ||
| 5. | 8T-5436 M | [5] | BOLT (M10X1.5X130-MM) | |
| 6. | 6E-5457 | [1] | PLUG | |
| 6E-5643 | [1] | VALVE (LOAD CHECK) | ||
| 4T-3148 | [1] | SPRING | ||
| 3D-2824 | [1] | SEAL-O-RING | ||
| 7. | 9X-2027 | [5] | WASHER (11X18X2-MM THK) | |
| 8. | 6E-5439 | [2] | SPRING | |
| 9. | 6E-5440 | [2] | SPRING | |
| 10. | 6E-5436 | [2] | RETAINER-SPRING | |
| 11. | 8F-0212 | [2] | SEAL-O-RING | |
| 12. | 6E-5431 B | [4] | SHIM (0.5-MM THK) | |
| 13. | 186-0908 CY | [1] | VALVE GP-RELIEF (LINE,AUX CYL HEAD END PORT) | |
| 13A. | 186-0908 CY | [1] | VALVE GP-RELIEF (LINE,AUX CYL ROD END PORT) | |
| 14. | 061-7540 | [1] | SEAL-O-RING | |
| 15. | 5P-8118 | [1] | SEAL-O-RING | |
| B | USE AS REQUIRED | |||
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBC13390003
142-1424: VALVE GP-PILOT
142-1424 VALVE GP-PILOT -AUXILIARY
PART OF 2Q-7922 VALVE GP-CONTROL
PART OF 2Q-7922 VALVE GP-CONTROL
Parts for your 938G WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 107-3828 Y | [2] | VALVE GP-PILOT CARTRIDGE | |
| 2. | 197-0727 CY | [2] | VALVE GP-PILOT CARTRIDGE | |
| 3. | 147-3062 | [1] | GASKET-LOWER | |
| 4. | 6E-3412 | [1] | BOLT-PIVOT | |
| 5. | 104-4273 | [1] | CLAMP | |
| 6. | 107-4029 | [1] | BRACKET-PIVOT | |
| 7. | 104-4272 | [1] | BOOT | |
| 8. | 107-4030 | [1] | NUT (M12 THD) | |
| 9. | 107-4043 | [1] | PLATE-PIVOT | |
| 10. | 5B-2183 | [1] | NUT-JAM (9/16-18 THD) | |
| 11. | 107-4092 | [1] | SLEEVE | |
| 12. | 107-4061 | [2] | PLUNGER AS | |
| 13. | 107-4990 | [2] | CLAPPER | |
| 14. | 122-8874 | [2] | SPRING | |
| 15. | 107-5012 | [1] | SCREW-HEX SOCKET | |
| 16. | 6E-0755 | [1] | PIN-PIVOT | |
| 17. | 7S-9930 | [1] | RING-RETAINING | |
| 18. | 107-5011 | [2] | SCREW-HEX SOCKET | |
| 19. | 109-1739 | [1] | COIL AS | |
| 1S-9593 | [3] | STRAP-CABLE | ||
| 8T-8729 | [2] | PIN-CONNECTOR | ||
| 20. | 135-6145 | [1] | GASKET | |
| 21. | 147-3064 | [1] | BODY-MAGNET | |
| 22. | 147-3063 | [2] | BUSHING | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBC13390004
107-3828: VALVE GP-PILOT CARTRIDGE
107-3828 VALVE GP-PILOT CARTRIDGE
PART OF 142-1424 VALVE GP-PILOT
PART OF 142-1424 VALVE GP-PILOT
Parts for your 938G WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 033-6028 | [1] | SEAL-O-RING (16.36MM ID) | |
| 2. | 6V-5758 | [1] | SEAL-O-RING (12.42MM ID) | |
| 3. | 6E-0770 | [1] | RING-BACKUP | |
| 4. | 6E-3767 | [1] | SPRING | |
| 5. | 107-3827 | [1] | SEAT-SPRING | |
| 6. | 6E-3769 | [1] | PIN | |
| AVAILABLE REPAIR KIT(S): | ||||
| 1G-5927 | [1] | KIT-METERING CAP SEAL (PILOT CARTRIDGE VALVE) | ||
| (INCLUDES SEAL-O-RINGS & RING-BACKUP) | ||||
#SEBC13390005
197-0727: VALVE GP-PILOT CARTRIDGE
197-0727 VALVE GP-PILOT CARTRIDGE
PART OF 142-1424 VALVE GP-PILOT
PART OF 142-1424 VALVE GP-PILOT
Parts for your 938G WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 107-3837 | [1] | PLUNGER | |
| 2. | 5P-8356 J | [1] | SEAL-O-RING | |
| 3. | 6E-0763 | [1] | RETAINER | |
| 4. | 6E-0766 | [2] | RING-RETAINING | |
| 5. | 107-3846 | [1] | SEAT-SPRING | |
| 6. | 6E-0764 | [1] | SEAT-SPRING | |
| 7. | 147-3061 J | [1] | SEAL-SPOOL | |
| 8. | 6E-0768 | [1] | CAP | |
| 9. | 120-5320 | [1] | SPRING | |
| AVAILABLE REPAIR KIT(S): | ||||
| 1G-5928 J | KIT-PLUNGER SEAL | |||
| J | KIT MARKED J SERVICES PARTS MARKED J | |||
#SEBC13390006
186-0908: VALVE GP-RELIEF
Parts for your 938G WHEEL LOADER:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 202-0042 | [1] | NUT (3/8-24-THD) | |
| 2. | 033-5879 | [2] | SEAL-O-RING | |
| 3. | 186-2488 | [1] | RING-BACKUP | |
| 4. | 186-2487 | [1] | RING-BACKUP | |
| 5. | 033-6027 | [2] | SEAL-O-RING | |
| 6. | 9N-1756 | [1] | SEAL-O-RING | |
| AVAILABLE REPAIR KIT(S): | ||||
| [1] | KIT-SERVICE | |||
| (SERVICE KIT CONTAINS ALL SPRINGS, SEALS AND RINGS) | ||||
#SEBC13390007
207-6809: VALVE GP-SOLENOID
207-6809 VALVE GP-SOLENOID -BRAKE PROPORTIONING
FIELD INSTALLATION
FIELD INSTALLATION
Parts for your 938G WHEEL LOADER:
CATERPILLAR SISInformation:
HYDRAULIC SYSTEM
VALVE GP-CONTROL
Special Instruction
Special Hose installation for 2Q-7922 Control Valve (Kit-3rd Valve) for the 938G Wheel Loader that is equipped with Ride Control{5004, 5051}
Special Hose installation for 2Q-7922 Control Valve (Kit-3rd Valve) for the 938G Wheel Loader that is equipped with Ride Control{5004, 5051}
Special Hose installation for 2Q-7922 Control Valve (Kit-3rd Valve) for the 938G Wheel Loader that is equipped with Ride Control{5004, 5051}
Technical Information Bulletin
Transmission Valve Bodies/Manifolds May Not Be Flat
Transmission Valve Bodies/Manifolds May Not Be Flat
Transmission Valve Bodies/Manifolds May Not Be Flat
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
Lift and Tilt Cylinder Drift - Check
938G Wheel Loader and IT38G Integrated Toolcarrier Hydraulic System
938G Wheel Loader and IT38G Integrated Toolcarrier Hydraulic System
Disassembly and Assembly
Service Magazine


