HYDRAULIC SYSTEM
LINES GP-HYDRAULICHYDRAULIC GP
OPERATOR STATION
CONTROL GP-HYDRAULICHYDRAULIC SYSTEM
LINES GP-AUXILIARYHYDRAULIC SYSTEM
LINES GP-HYDRAULIC#SEBP74860290
260-7910: HOSE GP-HYDRAULIC
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS#SEBP74860291
260-7911: HOSE GP-HYDRAULIC
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS#SEBP74860292
260-7913: HOSE GP-HYDRAULIC
#SEBP74860293
456-0404: HYDRAULIC AR
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 239-1699 Y | [1] | LINES GP-BOOM CYLINDER | ||
| 376-6308 Y | [1] | LINES GP-CONTROL | ||
| 239-1714 Y | [1] | LINES GP-FRONT | ||
| 376-6321 Y | [1] | LINES GP-HYDRAULIC OIL COOLER | ||
| 248-9825 Y | [1] | LINES GP-PILOT (JOYSTICK, PEDALS) | ||
| 376-6309 Y | [1] | LINES GP-PILOT (MAIN CONTROL VALVE) | ||
| 376-6310 Y | [1] | LINES GP-PILOT (MAIN CONTROL VALVE) | ||
| 376-6311 Y | [1] | LINES GP-PILOT (FILTER, PILOT PUMP) | ||
| 376-6313 Y | [1] | LINES GP-PUMP (SUPPLY, MAIN PUMP) | ||
| 239-1716 Y | [1] | LINES GP-TRAVEL MOTOR | ||
| 260-7868 Y | [1] | MOUNTING GP-MAIN CONTROL VALVE | ||
| 396-1865 Y | [1] | PUMP & MTG GP-MAIN HYDRAULIC | ||
| 455-4363 Y | [1] | TANK & MTG GP-HYDRAULIC | ||
| 259-7464 Y | [1] | VALVE GP-MAIN CONTROL | ||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP74860294
456-0405: HYDRAULIC AR
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 239-1699 Y | [1] | LINES GP-BOOM CYLINDER | ||
| 376-6308 Y | [1] | LINES GP-CONTROL | ||
| 239-1714 Y | [1] | LINES GP-FRONT | ||
| 376-6321 Y | [1] | LINES GP-HYDRAULIC OIL COOLER | ||
| 248-9825 Y | [1] | LINES GP-PILOT (JOYSTICK, PEDALS) | ||
| 376-6309 Y | [1] | LINES GP-PILOT (MAIN CONTROL VALVE) | ||
| 376-6310 Y | [1] | LINES GP-PILOT (MAIN CONTROL VALVE) | ||
| 376-6311 Y | [1] | LINES GP-PILOT (FILTER, PILOT PUMP) | ||
| 376-6313 Y | [1] | LINES GP-PUMP (SUPPLY, MAIN PUMP) | ||
| 239-1717 Y | [1] | LINES GP-TRAVEL MOTOR (LONG UNDERCARRIAGE) | ||
| 260-7868 Y | [1] | MOUNTING GP-MAIN CONTROL VALVE | ||
| 396-1865 Y | [1] | PUMP & MTG GP-MAIN HYDRAULIC | ||
| 455-4363 Y | [1] | TANK & MTG GP-HYDRAULIC | ||
| 259-7464 Y | [1] | VALVE GP-MAIN CONTROL | ||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP74860295
234-6613: LEVER GP-CONTROL
234-6613 LEVER GP-CONTROL -HYDRAULIC LOCKOUT
S/N NBF1-UP; SDZ1-UP
PART OF 421-1434 CONSOLE GP-OPERATOR
ALSO AN ATTACHMENT
S/N NBF1-UP; SDZ1-UP
PART OF 421-1434 CONSOLE GP-OPERATOR
ALSO AN ATTACHMENT
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3S-2093 | [1] | STRAP-CABLE | |
| 2. | 4I-3038 | [2] | WASHER (3.3X8X0.5-MM THK) | |
| 3. | 111-4799 | [1] | SWITCH AS-LIMIT (HYDRAULIC LOCKOUT) | |
| 102-8803 | [1] | KIT-RECEPTACLE (3-PIN) | ||
| (INCLUDES RECEPTACLE AS & WEDGE) | ||||
| 8T-8729 | [3] | PIN-CONNECTOR (16-GA TO 18-GA) | ||
| 5P-5998 D | TUBE (0.3-M) | |||
| 4. | 185-8286 M | [2] | SCREW-MACHINE (M4X0.7X8-MM) | |
| 5. | 234-6615 | [1] | KNOB | |
| 6. | 087-4683 | [2] | LOCKWASHER | |
| 7. | 120-9027 M | [2] | SCREW-PAN HEAD (M3X0.5X16-MM) | |
| D | ORDER BY THE METER | |||
| M | METRIC PART | |||
#SEBP74860296
237-3184: LINES GP-AUXILIARY HYDRAULIC
237-3184 LINES GP-AUXILIARY HYDRAULIC -STICK, HIGH PRESSURE
S/N NBF1-UP; SDZ1-UP
FOR USE WITH 2.4 TO 2.5-M (7.9 TO 8.2-FT) STICK
AN ATTACHMENT
S/N NBF1-UP; SDZ1-UP
FOR USE WITH 2.4 TO 2.5-M (7.9 TO 8.2-FT) STICK
AN ATTACHMENT
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 127-6780 | [1] | TUBE AS | |
| 2. | 142-6582 | [1] | TUBE AS | |
| 3. | 173-7916 | [4] | CLAMP-HALF | |
| 4. | 253-6694 I | [1] | HOSE AS | |
| 5. | 253-6697 I | [1] | HOSE AS | |
| 6. | 389-2407 CY | [2] | VALVE GP-MANUAL (AUXILIARY, SHUTOFF, 2-WAY FLOW) | |
| 7. | 1P-3703 | [3] | SEAL-RECTANGULAR | |
| 8. | 1P-3704 | [3] | SEAL-RECTANGULAR | |
| 9. | 1P-5767 | [4] | FLANGE-HALF | |
| 10. | 6V-0400 | [4] | FLANGE-HALF | |
| 11. | 7Y-4538 | [4] | CLAMP-HALF | |
| 12. | 8T-4121 | [4] | WASHER-HARD (11X21X2.5-MM THK) | |
| 13. | 8T-4139 M | [12] | BOLT (M12X1.75X30-MM) | |
| 15. | 8T-4184 M | [8] | BOLT (M12X1.75X45-MM) | |
| 16. | 8T-4194 M | [8] | BOLT (M12X1.75X50-MM) | |
| 17. | 8T-4223 | [24] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 18. | 8T-4956 M | [4] | BOLT (M12X1.75X35-MM) | |
| 19. | 8T-6685 M | [4] | BOLT (M10X1.5X110-MM) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP74860297
242-6475: LINES GP-AUXILIARY HYDRAULIC
242-6475 LINES GP-AUXILIARY HYDRAULIC -BOOM, HIGH PRESSURE
S/N NBF1-UP; SDZ1-UP
AN ATTACHMENT
S/N NBF1-UP; SDZ1-UP
AN ATTACHMENT
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 124-1107 | [1] | GROMMET | |
| 2. | 129-5874 | [1] | GROMMET | |
| 3. | 138-5708 | [2] | CLIP-HALF | |
| 4. | 153-8798 | [2] | PLATE | |
| 5. | 173-7916 | [6] | CLAMP-HALF | |
| 6. | 173-7995 | [1] | PLATE | |
| 7. | 193-6606 | [2] | PLATE | |
| 8. | 202-7127 | [1] | PLATE | |
| 9. | 202-7128 | [2] | PLATE | |
| 10. | 216-6589 I | [1] | HOSE AS | |
| 11. | 306-1611 J | [1] | TUBE GP | |
| 11A. | 306-1614 L | [1] | TUBE AS | |
| 11B. | 306-1615 L | [1] | TUBE AS | |
| 11C. | 1P-3705 L | [1] | SEAL-RECTANGULAR | |
| 11D. | 8T-4183 LM | [4] | BOLT (M12X1.75X40-MM) | |
| 12. | 247-9030 J | [1] | TUBE GP | |
| 12A. | 247-9033 L | [1] | TUBE AS | |
| 12B. | 247-9034 L | [1] | TUBE AS | |
| 12C. | 1P-3703 L | [1] | SEAL-RECTANGULAR | |
| 12D. | 8T-4139 LM | [4] | BOLT (M12X1.75X30-MM) | |
| 13. | 277-0786 | [1] | SUPPORT AS | |
| 14. | 288-7502 I | [1] | HOSE AS | |
| 15. | 124-1108 | [2] | CLIP | |
| 16. | 1P-3703 | [2] | SEAL-RECTANGULAR | |
| 17. | 1P-3704 | [2] | SEAL-RECTANGULAR | |
| 18. | 1P-5767 | [4] | FLANGE-HALF | |
| 19. | 6V-0400 | [4] | FLANGE-HALF | |
| 20. | 7X-2549 M | [4] | BOLT (M12X1.75X100-MM) | |
| 21. | 453-1259 M | [2] | BOLT (M16X2X40-MM) | |
| 22. | 7Y-4538 | [6] | CLAMP-HALF | |
| 23. | 8T-4139 M | [10] | BOLT (M12X1.75X30-MM) | |
| 24. | 8T-4184 M | [14] | BOLT (M12X1.75X45-MM) | |
| 25. | 8T-4194 M | [10] | BOLT (M12X1.75X50-MM) | |
| 26. | 8T-4223 | [42] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 27. | 8T-4648 M | [4] | BOLT (M12X1.75X70-MM) | |
| 28. | 451-2175 | [2] | WASHER-HARD (17.5X30X3.5-MM THK) | |
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| J | TUBE MAY BE 1-PIECE OR 2-PIECE DESIGN (2-PIECE SHOWN) | |||
| L | PARTS REQUIRED ONLY WITH 2-PIECE TUBE DESIGN | |||
| M | METRIC PART | |||
#SEBP74860298
242-6476: LINES GP-AUXILIARY HYDRAULIC
242-6476 LINES GP-AUXILIARY HYDRAULIC -BOOM, MEDIUM PRESSURE
S/N NBF1-UP; SDZ1-UP
AN ATTACHMENT
S/N NBF1-UP; SDZ1-UP
AN ATTACHMENT
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 153-8867 | [2] | CLIP | |
| 2. | 173-7895 | [4] | CLIP | |
| 3. | 179-5260 | [4] | CLIP | |
| 4. | 202-3915 | [1] | PLATE | |
| 5. | 247-9129 | [1] | TUBE AS | |
| 6. | 247-9132 J | [1] | TUBE GP | |
| 6A. | 247-9135 L | [1] | TUBE AS | |
| 6B. | 247-9138 L | [1] | TUBE AS | |
| 6C. | 7J-9108 L | [1] | SEAL-O-RING | |
| 7. | 247-9141 | [1] | TUBE AS | |
| 8. | 247-9144 J | [1] | TUBE GP | |
| 8A. | 247-9147 L | [1] | TUBE AS | |
| 8B. | 268-6787 L | [1] | TUBE AS | |
| 8C. | 7J-9108 L | [1] | SEAL-O-RING | |
| 9. | 247-9298 | [1] | CLIP AS | |
| 10. | 294-3796 C | [1] | PLATE | |
| 11. | 294-3797 C | [1] | PLATE | |
| 12. | 268-6790 | [1] | CLIP AS | |
| 13. | 093-1291 C | [2] | CLAMP | |
| 14. | 6V-8398 | [4] | SEAL-O-RING | |
| 15. | 7J-9108 | [2] | SEAL-O-RING | |
| 16. | 7X-2549 M | [2] | BOLT (M12X1.75X100-MM) | |
| 17. | 7Y-4868 | [2] | CLIP | |
| 18. | 8T-4121 C | [2] | WASHER-HARD (11X21X2.5-MM THK) | |
| 19. | 8T-4194 CM | [4] | BOLT (M12X1.75X50-MM) | |
| 20. | 8T-4139 M | [12] | BOLT (M12X1.75X30-MM) | |
| 21. | 8T-4184 M | [4] | BOLT (M12X1.75X45-MM) | |
| 22. | 8T-4185 CM | [2] | BOLT (M10X1.5X50-MM) | |
| 23. | 8T-4223 C | [22] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 24. | 8T-4244 M | [12] | NUT (M12X1.75-THD) | |
| 25. | 294-3795 C | [2] | CLIP AS | |
| 26. | 294-3794 C | [2] | CLIP AS | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| J | TUBE MAY BE 1-PIECE OR 2-PIECE DESIGN (2-PIECE SHOWN) | |||
| L | PARTS REQUIRED ONLY WITH 2-PIECE TUBE DESIGN | |||
| M | METRIC PART | |||
#SEBP74860299
242-6487: LINES GP-AUXILIARY HYDRAULIC
242-6487 LINES GP-AUXILIARY HYDRAULIC -STICK, HIGH PRESSURE
S/N NBF1-UP; SDZ1-UP
FOR USE WITH 2.92-M (9.6-FT) STICK
AN ATTACHMENT
S/N NBF1-UP; SDZ1-UP
FOR USE WITH 2.92-M (9.6-FT) STICK
AN ATTACHMENT
Parts for your 320D2 EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5I-8510 I | [1] | HOSE AS | |
| 2. | 173-7916 | [4] | CLAMP-HALF | |
| 3. | 253-6445 I | [1] | HOSE AS | |
| 4. | 253-6453 | [1] | TUBE AS | |
| 5. | 253-6454 | [1] | TUBE AS | |
| 6. | 389-2407 CY | [2] | VALVE GP-MANUAL (AUXILIARY, SHUTOFF, 2-WAY FLOW) | |
| 7. | 1P-3703 | [3] | SEAL-RECTANGULAR | |
| 8. | 1P-3704 | [3] | SEAL-RECTANGULAR | |
| 9. | 1P-5767 | [4] | FLANGE-HALF | |
| 10. | 6V-0400 | [4] | FLANGE-HALF | |
| 11. | 7Y-4538 | [4] | CLAMP-HALF | |
| 12. | 8T-4121 | [4] | WASHER-HARD (11X21X2.5-MM THK) | |
| 13. | 8T-4139 M | [12] | BOLT (M12X1.75X30-MM) | |
| 15. | 8T-4184 M | [8] | BOLT (M12X1.75X45-MM) | |
| 16. | 8T-4194 M | [8] | BOLT (M12X1.75X50-MM) | |
| 17. | 8T-4223 | [24] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 18. | 8T-4956 M | [4] | BOLT (M12X1.75X35-MM) | |
| 19. | 8T-6685 M | [4] | BOLT (M10X1.5X110-MM) | |
| 20. | 135-4063 J | [2] | FLANGE | |
| 21. | 1P-3704 J | [2] | SEAL-RECTANGULAR | |
| 22. | 8T-4956 JM | [8] | BOLT (M12X1.75X35-MM) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| I | REFER TO HYDRAULIC INFORMATION SYSTEM | |||
| J | FOR JAPANESE MARKET ONLY | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
Information:
HYDRAULIC SYSTEM
LINES GP-HYDRAULIC
Tool Operating Manual
Reuse And Salvage Guidelines




