HYDRAULIC SYSTEM
LINES GP-PILOTLINES GP-PUMP
LINES GP-RETURN
LINES GP-STICK
HYDRAULIC SYSTEM
LINES GP-PILOT#SEBP54570460
307-5119: LINES GP-PILOT
307-5119 LINES GP-PILOT -BLADE
S/N SKA1-UP
PART OF 346-4639, 346-4641, 385-4072, 385-4073 INSTALLATION AR-BLADE
AN ATTACHMENT
S/N SKA1-UP
PART OF 346-4639, 346-4641, 385-4072, 385-4073 INSTALLATION AR-BLADE
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4I-9524 | [2] | BAND-MARKER (BROWN, L4) | |
| 2. | 4I-9527 | [2] | BAND-MARKER (GREEN, R3) | |
| 3. | 4I-9528 | [2] | BAND-MARKER (PURPLE, R4) | |
| 4. | 7K-1181 | [3] | STRAP-CABLE | |
| 5. | 087-5764 I | [1] | HOSE AS | |
| 6. | 164-6874 | [1] | FITTING AS-ELBOW (QUICK DISCONNECT, MALE) | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 085-7356 | [1] | FITTING | ||
| 7. | 275-1712 | [1] | HOSE AS | |
| 8. | 325-9143 I | [1] | HOSE AS | |
| 9. | 148-8336 | [2] | CONNECTOR AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8636 | [1] | CONNECTOR | ||
| 10. | 148-8367 | [1] | ELBOW AS | |
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-9850 | [1] | ELBOW | ||
| 11. | 148-8378 | [1] | ELBOW AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8724 | [1] | ELBOW | ||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
#SEBP54570461
337-1232: LINES GP-PILOT
337-1232 LINES GP-PILOT -BLADE, PILOT VALVE
S/N SKA1-UP
PART OF 346-4639, 346-4641, 385-4072, 385-4073 INSTALLATION AR-BLADE
AN ATTACHMENT
S/N SKA1-UP
PART OF 346-4639, 346-4641, 385-4072, 385-4073 INSTALLATION AR-BLADE
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 309-5769 | [1] | SWITCH AS-PRESSURE (BLADE) | |
| 102-8802 | [1] | KIT-RECEPTACLE (2-PIN) | ||
| (INCLUDES RECEPTACLE AS & WEDGE) | ||||
| 9X-3401 | [2] | PIN-CONNECTOR (16-GA TO 18-GA) | ||
| -OR- | ||||
| 126-1767 | [2] | PIN-CONNECTOR (14-GA TO 16-GA) | ||
| 2. | 325-9177 I | [2] | HOSE AS | |
| 3. | 148-8336 | [2] | CONNECTOR AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8636 | [1] | CONNECTOR | ||
| 4. | 148-8378 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8724 | [1] | ELBOW | ||
| 5. | 148-8407 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 9S-4191 | [1] | PLUG | ||
| 6. | 148-8435 | [2] | TEE AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [2] | SEAL-O-RING | ||
| 6V-8781 | [1] | TEE | ||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
#SEBP54570462
387-3693: LINES GP-PILOT
387-3693 LINES GP-PILOT -MAIN HYDRAULIC PUMP
S/N SKA273-UP
PART OF 270-5865 HYDRAULIC AR
S/N SKA273-UP
PART OF 270-5865 HYDRAULIC AR
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7K-1181 | [2] | STRAP-CABLE | |
| 2. | 087-5772 I | [1] | HOSE AS | |
| 3. | 178-5955 I | [1] | HOSE AS | |
| 4. | 221-8912 | [2] | FLANGE | |
| 5. | 245-5093 I | [1] | HOSE AS | |
| 6. | 260-2180 | [2] | SENSOR AS-PRESSURE (MAIN HYDRAULIC PUMP) | |
| (EACH INCLUDES) | ||||
| 095-1777 | [1] | RING-BACKUP | ||
| 260-2191 | [1] | SEAL-O-RING | ||
| 7. | 281-5898 | [1] | TEE AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8398 | [2] | SEAL-O-RING | ||
| 153-6270 | [1] | TEE | ||
| 8. | 320-0008 I | [1] | HOSE AS | |
| 9. | 248-9692 I | [1] | HOSE AS | |
| 10. | 420-0036 | [1] | HOSE AS | |
| 11. | 148-8327 | [1] | CONNECTOR AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 6V-8637 | [1] | CONNECTOR | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 12. | 148-8336 | [1] | CONNECTOR AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-8636 | [1] | CONNECTOR | ||
| 13. | 148-8347 | [1] | ELBOW AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 6V-9007 | [1] | ELBOW | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 14. | 148-8354 | [1] | ELBOW AS | |
| 3K-0360 | [1] | SEAL-O-RING | ||
| 6V-8398 | [1] | SEAL-O-RING | ||
| 6V-9002 | [1] | ELBOW | ||
| 15. | 148-8367 | [1] | ELBOW AS | |
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-9850 | [1] | ELBOW | ||
| 16. | 150-3036 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 8T-1905 | [1] | ELBOW | ||
| 17. | 153-6237 | [1] | ELBOW AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 6V-9004 | [1] | ELBOW | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 18. | 164-5567 | [4] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| (EACH INCLUDES) | ||||
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 214-7568 | [1] | SEAL-O-RING | ||
| 19. | 168-1968 | [1] | TEE AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 126-6872 | [1] | TEE | ||
| 20. | 6V-0852 | [4] | CAP-DUST | |
| 21. | 8T-4189 M | [4] | BOLT (M8X1.25X20-MM) | |
| 22. | 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
#SEBP54570463
278-6671: LINES GP-PUMP
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 144-0367 | [4] | CLAMP-HOSE | |
| 2. | 111-6716 | [1] | HOSE | |
| 3. | 194-0097 | [1] | PIPE AS | |
| 4. | 192-6840 | [1] | PIPE AS | |
| 5. | 108-1781 M | [4] | BOLT-SOCKET HEAD (M12X1.75X35-MM) | |
| 6. | 148-8360 | [1] | ELBOW AS | |
| 6V-9182 | [1] | ELBOW | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 7. | 148-8392 | [1] | ELBOW AS | |
| 6V-9746 | [1] | SEAL-O-RING | ||
| 6V-9853 | [1] | ELBOW | ||
| 8. | 148-8411 | [1] | PLUG AS | |
| 3K-0360 | [1] | SEAL-O-RING | ||
| 9S-4185 | [1] | PLUG-O-RING | ||
| 9. | 153-6242 | [1] | CONNECTOR AS | |
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 8T-0197 | [1] | CONNECTOR | ||
| 10. | 155-3624 | [1] | PLUG AS | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 9S-4182 | [1] | PLUG | ||
| 11. | 164-4180 | [1] | PLUG AS | |
| 7M-8485 | [1] | SEAL-O-RING | ||
| 9S-4181 | [1] | PLUG-O-RING | ||
| 12. | 5H-8624 | [1] | SEAL-O-RING | |
| 13. | 6J-2680 | [1] | SEAL-O-RING | |
| 14. | 8T-4193 M | [4] | BOLT (M16X2X50-MM) | |
| 15. | 8T-4223 | [4] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 16. | 9X-8257 | [4] | WASHER (17.5X30X3.5-MM THK) | |
| M | METRIC PART | |||
#SEBP54570464
278-6671: LINES GP-PUMP
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 144-0367 | [4] | CLAMP-HOSE | |
| 2. | 111-6716 | [1] | HOSE | |
| 3. | 194-0097 | [1] | PIPE AS | |
| 4. | 192-6840 | [1] | PIPE AS | |
| 5. | 108-1781 M | [4] | BOLT-SOCKET HEAD (M12X1.75X35-MM) | |
| 6. | 148-8360 | [1] | ELBOW AS | |
| 6V-9182 | [1] | ELBOW | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 7. | 451-2175 | [4] | WASHER-HARD (17.5X30X3.5-MM THK) | |
| 8. | 148-8411 | [1] | PLUG AS | |
| 3K-0360 | [1] | SEAL-O-RING | ||
| 9S-4185 | [1] | PLUG-O-RING | ||
| 9. | 148-8339 C | [1] | CONNECTOR AS | |
| 6V-8716 | [1] | CONNECTOR (STRAIGHT) | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 10. | 155-3624 | [1] | PLUG AS | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 9S-4182 | [1] | PLUG | ||
| 11. | 164-4180 | [1] | PLUG AS | |
| 7M-8485 | [1] | SEAL-O-RING | ||
| 9S-4181 | [1] | PLUG-O-RING | ||
| 12. | 5H-8624 | [1] | SEAL-O-RING | |
| 13. | 6J-2680 | [1] | SEAL-O-RING | |
| 14. | 447-1711 M | [4] | BOLT (M16X2X50-MM) | |
| 15. | 8T-4223 | [4] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
#SEBP54570465
307-5050: LINES GP-PUMP
307-5050 LINES GP-PUMP -MEDIUM PRESSURE
S/N SKA1-UP
PART OF 310-0205 CONTROL AR-AUXILIARY, 346-4639, 346-4641 INSTALLATION AR-BLADE
AN ATTACHMENT
S/N SKA1-UP
PART OF 310-0205 CONTROL AR-AUXILIARY, 346-4639, 346-4641 INSTALLATION AR-BLADE
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7K-1181 | [7] | STRAP-CABLE | |
| 2. | 134-6838 | [1] | GUARD | |
| 3. | 199-1657 I | [1] | HOSE AS | |
| 4. | 199-2046 | [1] | GUARD | |
| 5. | 330-2334 CI | [1] | HOSE AS | |
| 6. | 278-6424 | [1] | TEE AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 278-6425 | [1] | TEE-ORP TO ORFS | ||
| 7. | 285-2447 I | [1] | HOSE AS | |
| 8. | 148-8392 C | [1] | ELBOW AS | |
| 6V-9746 | [1] | SEAL-O-RING | ||
| 6V-9853 | [1] | ELBOW | ||
| 9. | 101-7198 | [1] | ADAPTER | |
| 10. | 148-8357 | [2] | ELBOW AS | |
| (EACH INCLUDES) | ||||
| 5K-9090 | [1] | SEAL-O-RING | ||
| 6V-9008 | [1] | ELBOW | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 11. | 148-8360 | [1] | ELBOW AS | |
| 6V-9182 | [1] | ELBOW | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 12. | 148-8382 | [1] | ELBOW AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 8T-0404 | [1] | ELBOW | ||
| 13. | 148-8393 | [1] | ELBOW AS | |
| 6V-9852 | [1] | ELBOW | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 14. | 164-5567 | [1] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 15. | 4K-1388 | [1] | SEAL-O-RING | |
| 16. | 5P-7464 | [1] | CLIP (SLOT) | |
| 17. | 5P-7465 | [1] | CLIP (TAB) | |
| 18. | 6V-0852 | [1] | CAP-DUST | |
| 19. | 7X-7729 | [1] | WASHER (11X25X3-MM THK) | |
| 20. | 8T-2920 | [1] | GROMMET | |
| 21. | 8T-4136 M | [1] | BOLT (M10X1.5X25-MM) | |
| 22. | 148-8339 C | [1] | CONNECTOR AS | |
| 6V-8716 | [1] | CONNECTOR (STRAIGHT) | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
#SEBP54570466
387-3695: LINES GP-PUMP
387-3695 LINES GP-PUMP -MEDIUM PRESSURE
S/N SKA1-UP
PART OF 389-2431 CONTROL AR-AUXILIARY, 385-4072, 385-4073 INSTALLATION AR-BLADE
AN ATTACHMENT
S/N SKA1-UP
PART OF 389-2431 CONTROL AR-AUXILIARY, 385-4072, 385-4073 INSTALLATION AR-BLADE
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7K-1181 | [7] | STRAP-CABLE | |
| 2. | 134-6838 | [1] | GUARD | |
| 3. | 199-2046 | [1] | GUARD | |
| 4. | 278-6424 | [1] | TEE AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 278-6425 | [1] | TEE-ORP TO ORFS | ||
| 5. | 319-9775 I | [1] | HOSE AS | |
| 6. | 330-2334 I | [1] | HOSE AS | |
| 7. | 387-3666 I | [1] | HOSE AS | |
| 8. | 101-7198 | [1] | ADAPTER | |
| 9. | 148-8335 | [1] | CONNECTOR AS | |
| 5K-9090 | [1] | SEAL-O-RING | ||
| 6V-8635 | [1] | CONNECTOR | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 10. | 148-8339 | [1] | CONNECTOR AS | |
| 6V-8716 | [1] | CONNECTOR (STRAIGHT) | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 11. | 148-8357 | [1] | ELBOW AS | |
| 5K-9090 | [1] | SEAL-O-RING | ||
| 6V-9008 | [1] | ELBOW | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 12. | 148-8360 | [1] | ELBOW AS | |
| 6V-9182 | [1] | ELBOW | ||
| 6V-9746 | [1] | SEAL-O-RING | ||
| 7M-8485 | [1] | SEAL-O-RING | ||
| 13. | 148-8382 | [1] | ELBOW AS | |
| 3D-2824 | [1] | SEAL-O-RING | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 8T-0404 | [1] | ELBOW | ||
| 14. | 148-8392 | [1] | ELBOW AS | |
| 6V-9746 | [1] | SEAL-O-RING | ||
| 6V-9853 | [1] | ELBOW | ||
| 15. | 164-5567 | [1] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 214-7568 | [1] | SEAL-O-RING | ||
| 16. | 4K-1388 | [1] | SEAL-O-RING | |
| 17. | 5P-7464 | [1] | CLIP (SLOT) | |
| 18. | 5P-7465 | [1] | CLIP (TAB) | |
| 19. | 6V-0852 | [1] | CAP-DUST | |
| 20. | 7X-7729 | [1] | WASHER (11X25X3-MM THK) | |
| 21. | 8T-2920 | [1] | GROMMET | |
| 22. | 8T-4136 M | [1] | BOLT (M10X1.5X25-MM) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
#SEBP54570467
278-6723: LINES GP-RETURN
278-6723 LINES GP-RETURN -BOOM LOWERING CONTROL
S/N SKA1-UP
PART OF 323-7794, 396-8715 VALVE AR-CHECK & RELIEF
AN ATTACHMENT
S/N SKA1-UP
PART OF 323-7794, 396-8715 VALVE AR-CHECK & RELIEF
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4I-9525 | [4] | BAND-MARKER (ORANGE, R1) | |
| 2. | 7K-1181 | [4] | STRAP-CABLE | |
| 3. | 150-4027 | [1] | TEE AS | |
| 3E-2310 | [1] | TEE | ||
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 4. | 223-8666 I | [1] | HOSE AS | |
| 5. | 292-7279 I | [1] | HOSE AS | |
| 6. | 148-8353 | [1] | ELBOW AS | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-8397 | [1] | SEAL-O-RING | ||
| 6V-9001 | [1] | ELBOW | ||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
#SEBP54570468
119-2743: LINES GP-STICK
119-2743 LINES GP-STICK
S/N SKA1-UP
PART OF 260-7063, 283-9017 STICK AR-HOE
FOR USE WITH 2.1-M (6.9-FT) STICK
AN ATTACHMENT
S/N SKA1-UP
PART OF 260-7063, 283-9017 STICK AR-HOE
FOR USE WITH 2.1-M (6.9-FT) STICK
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 104-8999 I | [1] | HOSE AS | |
| 2. | 131-9843 I | [1] | HOSE AS | |
| 4. | 8C-3205 | [2] | FLANGE-HALF | |
| 5. | 4J-5267 | [2] | SEAL-O-RING | |
| 6. | 131-9850 | [1] | BLOCK | |
| 7. | 8T-5005 M | [4] | BOLT (M10X1.5X70-MM) | |
| 8. | 8T-4121 | [4] | WASHER-HARD (11X21X2.5-MM THK) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
#SEBP54570469
179-7600: LINES GP-STICK
179-7600 LINES GP-STICK
S/N SKA1-UP
PART OF 260-7059, 283-9014, 330-8814, 385-4130 STICK AR-HOE
FOR USE WITH 3-M (9.8-FT) STICK
AN ATTACHMENT
S/N SKA1-UP
PART OF 260-7059, 283-9014, 330-8814, 385-4130 STICK AR-HOE
FOR USE WITH 3-M (9.8-FT) STICK
AN ATTACHMENT
Parts for your 312D L EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 124-1305 I | [1] | HOSE AS | |
| 2. | 123-2729 I | [1] | HOSE AS | |
| 3. | 8C-3205 | [2] | FLANGE-HALF | |
| 4. | 4J-5267 | [2] | SEAL-O-RING | |
| 5. | 131-9850 | [1] | BLOCK | |
| 6. | 8T-5005 M | [4] | BOLT (M10X1.5X70-MM) | |
| 7. | 8T-4121 | [4] | WASHER-HARD (11X21X2.5-MM THK) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||



