HYDRAULIC SYSTEM
MOUNTING GPVALVE GP-CONTROL
PUMP GP
FILTER GP
SWIVEL GP
TANK GP
HYDRAULIC SYSTEM
MOUNTING GP#SEBP44400440
260-7868: MOUNTING GP-MAIN CONTROL VALVE
260-7868 MOUNTING GP-MAIN CONTROL VALVE
S/N CYD1-UP; DKW1-UP
PART OF 239-8835, 269-5174 HYDRAULIC AR
S/N CYD1-UP; DKW1-UP
PART OF 239-8835, 269-5174 HYDRAULIC AR
#SEBP44400441
6E-4816: PLUG GP-CONTROL VALVE
6E-4816 PLUG GP-CONTROL VALVE
S/N CYD1-UP; DKW1-UP
PART OF 259-7465, 308-4747 VALVE GP-CONTROL
ALSO AN ATTACHMENT
S/N CYD1-UP; DKW1-UP
PART OF 259-7465, 308-4747 VALVE GP-CONTROL
ALSO AN ATTACHMENT
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 6E-4793 | [1] | PLUG GP-CONTROL VALVE | ||
| 9J-0705 | [1] | RING-BACKUP | ||
| 033-5879 | [1] | SEAL-O-RING | ||
| 033-6036 | [1] | SEAL-O-RING | ||
| -OR- | ||||
| 6E-2746 | [1] | PLUG GP-CONTROL VALVE | ||
| 6E-2745 | [1] | SEAL-O-RING | ||
| 9T-4506 | [1] | PLUG | ||
| -OR- | ||||
| 106-6248 | [1] | PLUG GP-CONTROL VALVE | ||
| 9T-4506 | [1] | PLUG | ||
| 6E-2745 | [1] | SEAL-O-RING | ||
#SEBP44400442
200-3365: PUMP & MTG GP-AUXILIARY
200-3365 PUMP & MTG GP-AUXILIARY
S/N CYD1-UP; DKW1-UP
PART OF 259-7621, 259-7622 CONTROL AR-AUXILIARY
AN ATTACHMENT
S/N CYD1-UP; DKW1-UP
PART OF 259-7621, 259-7622 CONTROL AR-AUXILIARY
AN ATTACHMENT
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 240-2998 CY | [1] | PUMP GP-GEAR (AUXILIARY) | |
| 2. | 8T-3338 | [2] | SEAL-O-RING | |
| 3. | 200-3327 | [1] | COUPLING | |
| 4. | 200-3326 | [1] | SPACER | |
| 5. | 8T-4136 M | [2] | BOLT (M10X1.5X25-MM) | |
| 6. | 105-3478 M | [2] | BOLT-SOCKET HEAD (M10X1.5X35-MM) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP44400443
239-6552: PUMP & MTG GP-MAIN HYDRAULIC
239-6552 PUMP & MTG GP-MAIN HYDRAULIC
S/N CYD1-UP; DKW1-UP
PART OF 239-8835, 269-5174 HYDRAULIC AR
S/N CYD1-UP; DKW1-UP
PART OF 239-8835, 269-5174 HYDRAULIC AR
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS#SEBP44400444
240-2998: PUMP GP-GEAR
240-2998 PUMP GP-GEAR
S/N CYD1-UP; DKW1-UP
PART OF 200-3365 PUMP & MTG GP-AUXILIARY
AN ATTACHMENT
S/N CYD1-UP; DKW1-UP
PART OF 200-3365 PUMP & MTG GP-AUXILIARY
AN ATTACHMENT
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS#SEBP44400445
272-6955: PUMP GP-MAIN HYDRAULIC
272-6955 PUMP GP-MAIN HYDRAULIC
S/N CYD1-356; DKW1-271
PART OF 239-6552 PUMP & MTG GP-MAIN HYDRAULIC
S/N CYD1-356; DKW1-271
PART OF 239-6552 PUMP & MTG GP-MAIN HYDRAULIC
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4I-1022 | [2] | ORIFICE | |
| 2. | 7Y-4215 | [2] | SPACER | |
| 3. | 096-3983 | [1] | RING-RETAINING | |
| 4. | 118-4057 | [18] | SPRING | |
| 5. | 126-2016 J | [1] | PUMP GP-GEAR (PILOT) | |
| 9T-0835 | [1] | RING-RETAINING | ||
| 6. | 129-7859 | [2] | SET-BEARING | |
| 7. | 129-7863 | [1] | COVER | |
| 8. | 129-7921 | [2] | RING-RETAINING | |
| 9. | 129-7927 | [2] | BEARING | |
| 10. | 129-7979 | [4] | DOWEL | |
| 11. | 150-5782 | [2] | COVER | |
| 12. | 173-3427 | [2] | GUIDE-BALL | |
| 13. | 173-3473 | [2] | PLATE | |
| 14. | 173-3496 | [1] | BARREL AS | |
| (INCLUDES VALVE PLATE) | ||||
| 15. | 173-3498 | [1] | BARREL AS | |
| (INCLUDES VALVE PLATE) | ||||
| 16. | 177-2470 | [1] | COVER | |
| 17. | 177-2471 | [1] | COVER | |
| 18. | 179-9763 | [1] | FLANGE | |
| 19. | 191-5709 | [2] | PISTON AS | |
| 20. | 192-0573 | [4] | PIN-DOWEL | |
| 21. | 199-0518 | [8] | SEAL-O-RING | |
| 22. | 200-3333 | [1] | HEAD-PUMP | |
| 23. | 200-3334 | [1] | COVER | |
| 24. | 225-4543 | [1] | SHAFT-DRIVE | |
| 25. | 225-4544 | [1] | SHAFT-DRIVEN | |
| 26. | 225-4611 | [1] | CASE | |
| 27. | 234-4493 | [1] | GASKET | |
| 28. | 234-4494 | [1] | GASKET | |
| 29. | 234-4498 | [1] | SEAL-LIP TYPE | |
| 30. | 242-6801 | [2] | SWASHPLATE AS | |
| (EACH INCLUDES) | ||||
| 094-1875 | [1] | DOWEL | ||
| 173-3428 | [1] | BUSHING | ||
| 242-6803 | [2] | PIN-DOWEL | ||
| 31. | 242-6804 | [4] | BEARING | |
| 32. | 247-8920 | [2] | ORIFICE | |
| 33. | 256-0073 | [1] | BODY | |
| 34. | 256-0093 Y | [1] | HEAD GP-PUMP (DRIVE) | |
| 35. | 256-0096 Y | [1] | HEAD GP-PUMP (DRIVEN) | |
| 37. | 094-1875 | [6] | DOWEL | |
| 38. | 094-1882 | [16] | PLUG | |
| 39. | 095-0946 | [2] | RING-RETAINING | |
| 41. | 096-3944 | [1] | SEAL-O-RING | |
| 42. | 177-8740 | [1] | SEAL-O-RING | |
| 43. | 190-4896 | [2] | PLUG | |
| 44. | 193-1736 | [4] | SEAL-O-RING | |
| 45. | 3K-0360 | [2] | SEAL-O-RING | |
| 46. | 7M-8485 | [2] | SEAL-O-RING | |
| 47. | 7X-2557 M | [1] | BOLT (M16X2X140-MM) | |
| 48. | 8J-4645 | [2] | PLUG (STRAIGHT THREAD O-RING) | |
| 49. | 8T-3338 | [2] | SEAL-O-RING | |
| 50. | 8T-4136 M | [18] | BOLT (M10X1.5X25-MM) | |
| 51. | 8T-4137 M | [2] | BOLT (M10X1.5X20-MM) | |
| 52. | 8T-4139 M | [10] | BOLT (M12X1.75X30-MM) | |
| 53. | 8T-4140 M | [4] | BOLT (M16X2X60-MM) | |
| 54. | 8T-4175 M | [2] | BOLT (M16X2X90-MM) | |
| 55. | 8T-4176 M | [2] | BOLT (M12X1.75X90-MM) | |
| 56. | 8T-4192 M | [10] | BOLT (M12X1.75X25-MM) | |
| 57. | 8T-4196 M | [2] | BOLT (M10X1.5X35-MM) | |
| 58. | 9S-4185 | [2] | PLUG (3/4-16-THD) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 250-2503 J | [1] | KIT-SEAL (PILOT GEAR PUMP) | ||
| (INCLUDES GASKETS, LIP SEAL, SEAL & RETAINING RING) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP44400446
272-6955: PUMP GP-MAIN HYDRAULIC
272-6955 PUMP GP-MAIN HYDRAULIC
S/N CYD357-UP; DKW272-UP
PART OF 239-6552 PUMP & MTG GP-MAIN HYDRAULIC
S/N CYD357-UP; DKW272-UP
PART OF 239-6552 PUMP & MTG GP-MAIN HYDRAULIC
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4I-1022 | [2] | ORIFICE | |
| 2. | 7Y-4215 | [2] | SPACER | |
| 3. | 096-3983 | [1] | RING-RETAINING | |
| 4. | 118-4057 | [18] | SPRING | |
| 5. | 126-2016 J | [1] | PUMP GP-GEAR (PILOT) | |
| 9T-0835 | [1] | RING-RETAINING | ||
| 6. | 129-7859 | [2] | SET-BEARING | |
| 7. | 129-7863 | [1] | COVER | |
| 8. | 129-7921 | [2] | RING-RETAINING | |
| 9. | 129-7927 | [2] | BEARING | |
| 10. | 129-7979 | [4] | DOWEL | |
| 11. | 150-5782 | [2] | COVER | |
| 12. | 173-3427 | [2] | GUIDE-BALL | |
| 13. | 173-3473 | [2] | PLATE | |
| 14. | 173-3496 | [1] | BARREL AS | |
| (INCLUDES VALVE PLATE) | ||||
| 15. | 173-3498 | [1] | BARREL AS | |
| (INCLUDES VALVE PLATE) | ||||
| 16. | 177-2470 | [1] | COVER | |
| 17. | 177-2471 | [1] | COVER | |
| 18. | 179-9763 | [1] | FLANGE | |
| 19. | 191-5709 | [2] | PISTON AS | |
| 20. | 192-0573 | [4] | PIN-DOWEL | |
| 21. | 189-9763 C | [8] | SEAL-O-RING | |
| 22. | 200-3333 | [1] | HEAD-PUMP | |
| 23. | 200-3334 | [1] | COVER | |
| 24. | 225-4543 | [1] | SHAFT-DRIVE | |
| 25. | 225-4544 | [1] | SHAFT-DRIVEN | |
| 26. | 129-7854 C | [1] | CASE | |
| 27. | 129-7857 C | [1] | GASKET | |
| 28. | 129-7855 C | [1] | GASKET | |
| 29. | 129-7925 C | [1] | SEAL-LIP TYPE | |
| 30. | 242-6801 | [2] | SWASHPLATE AS | |
| (EACH INCLUDES) | ||||
| 094-1875 | [1] | DOWEL | ||
| 173-3428 | [1] | BUSHING | ||
| 242-6803 | [2] | PIN-DOWEL | ||
| 31. | 242-6804 | [4] | BEARING | |
| 32. | 247-8920 | [2] | ORIFICE | |
| 33. | 247-8782 C | [1] | BODY | |
| 34. | 256-0093 Y | [1] | HEAD GP-PUMP (DRIVE)(DRIVE) | |
| 35. | 256-0096 Y | [1] | HEAD GP-PUMP (DRIVEN)(DRIVEN) | |
| 37. | 094-1875 | [6] | DOWEL | |
| 38. | 094-1882 | [16] | PLUG | |
| 39. | 095-0946 | [2] | RING-RETAINING | |
| 41. | 096-3944 | [1] | SEAL-O-RING | |
| 42. | 273-8314 C | [1] | SEAL-O-RING | |
| 43. | 190-4896 | [2] | PLUG | |
| 44. | 193-1736 | [4] | SEAL-O-RING | |
| 45. | 3K-0360 | [2] | SEAL-O-RING | |
| 46. | 7M-8485 | [2] | SEAL-O-RING | |
| 47. | 7X-2557 M | [1] | BOLT (M16X2X140-MM) | |
| 48. | 8J-4645 | [2] | PLUG (STRAIGHT THREAD O-RING) | |
| 49. | 273-8315 C | [2] | SEAL-O-RING | |
| 50. | 8T-4136 M | [18] | BOLT (M10X1.5X25-MM) | |
| 51. | 8T-4137 M | [2] | BOLT (M10X1.5X20-MM) | |
| 52. | 8T-4139 M | [10] | BOLT (M12X1.75X30-MM) | |
| 53. | 8T-4140 M | [4] | BOLT (M16X2X60-MM) | |
| 54. | 8T-4175 M | [2] | BOLT (M16X2X90-MM) | |
| 55. | 8T-4176 M | [2] | BOLT (M12X1.75X90-MM) | |
| 56. | 8T-4192 M | [10] | BOLT (M12X1.75X25-MM) | |
| 57. | 8T-4196 M | [2] | BOLT (M10X1.5X35-MM) | |
| 58. | 9S-4185 | [2] | PLUG (3/4-16-THD) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 250-2503 J | [1] | KIT-SEAL (PILOT GEAR PUMP) | ||
| (INCLUDES GASKETS, LIP SEAL, SEAL & RETAINING RING) | ||||
| C | CHANGE FROM PREVIOUS TYPE | |||
| J | KIT MARKED J AVAILABLE FOR PART(S) MARKED J | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP44400447
259-0922: SCREEN GP-HYDRAULIC
259-0922 SCREEN GP-HYDRAULIC -TANK
S/N CYD1-UP; DKW1-UP
PART OF 245-5140 TANK & FILTER GP-HYDRAULIC
S/N CYD1-UP; DKW1-UP
PART OF 245-5140 TANK & FILTER GP-HYDRAULIC
#SEBP44400448
234-4440: SWIVEL GP
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 7I-7131 | [1] | RETAINER | |
| 2. | 7Y-4817 | [1] | COVER | |
| 3. | 159-7782 | [5] | SEAL | |
| 4. | 225-4548 | [1] | HOUSING | |
| 5. | 225-4549 | [1] | ROTOR | |
| 6. | 095-1625 | [3] | SEAL-O-RING | |
| 7. | 095-1716 | [1] | SEAL-O-RING | |
| 8. | 8T-4121 | [2] | WASHER-HARD (11X21X2.5-MM THK) | |
| 9. | 8T-4136 M | [6] | BOLT (M10X1.5X25-MM) | |
| 10. | 8T-6759 | [1] | PLUG-PIPE | |
| M | METRIC PART | |||
#SEBP44400449
245-5140: TANK & FILTER GP-HYDRAULIC
245-5140 TANK & FILTER GP-HYDRAULIC
S/N CYD1-UP; DKW1-UP
210-L (55.5-US GAL)
PART OF 245-5139 TANK & MTG GP-HYDRAULIC
S/N CYD1-UP; DKW1-UP
210-L (55.5-US GAL)
PART OF 245-5139 TANK & MTG GP-HYDRAULIC
Parts for your 323D LN EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 4B-7739 | [1] | PLUG-DRAIN (HYDRAULIC TANK) | |
| 2. | 4I-5394 | [1] | SENDER AS-TEMPERATURE (HYDRAULIC OIL) | |
| 4I-5490 M | [2] | SCREW-MACHINE (M4X0.7X6-MM) | ||
| 095-0826 | [2] | LOCKWASHER | ||
| 3. | 4J-5267 | [1] | SEAL-O-RING | |
| 4. | 8H-9819 | [1] | ADAPTER-PLUG | |
| 5. | 095-1608 | [1] | SEAL-O-RING | |
| 6. | 292-7450 | [1] | SUPPORT AS | |
| 7. | 213-0677 | [1] | SWITCH AS-LIQUID LEVEL (HYDRAULIC TANK) | |
| 102-8802 | [1] | KIT-RECEPTACLE (2-PIN) | ||
| (INCLUDES RECEPTACLE AS & WEDGE) | ||||
| 9X-3401 | [2] | PIN-CONNECTOR (16-GA TO 18-GA) | ||
| 8. | 227-0590 | [1] | BREATHER (HYDRAULIC TANK) | |
| 9. | 227-0620 Y | [1] | GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL) | |
| 10. | 236-3170 | [1] | COVER AS | |
| 12. | 259-0922 Y | [1] | SCREEN GP-HYDRAULIC (TANK) | |
| 13. | 207-6403 | [1] | PLUG | |
| 14. | 207-6404 | [1] | WASHER (49.5X60.5X1.5-MM THK) | |
| 15. | 095-1735 | [1] | SEAL-O-RING | |
| 16. | 112-0065 | [1] | BRACKET | |
| 17. | 289-8194 Y | [1] | FILTER GP-OIL (HYDRAULIC, CASE DRAIN) | |
| 18. | 158-8987 Y | [1] | FILTER & VALVE GP-PILOT (HYDRAULIC OIL) | |
| 19. | 164-5567 | [1] | COUPLER AS-QUICK DISCONNECT (MALE) | |
| 3J-1907 | [1] | SEAL-O-RING | ||
| 6V-3965 | [1] | FITTING (QUICK DISCONNECT) | ||
| 20. | 164-5590 | [1] | VALVE AS-FLUID SAMPLING | |
| 3J-7354 | [1] | SEAL-O-RING | ||
| 8C-3446 | [1] | VALVE-SAMPLING | ||
| 21. | 165-3256 | [1] | PIPE AS | |
| 22. | 188-4140 Y | [1] | FILTER GP-OIL (HYDRAULIC RETURN) | |
| 23. | 2B-0858 | [1] | PLUG-PIPE | |
| 24. | 8T-7971 | [2] | WASHER-HARD (13.5X25.5X5-MM THK) | |
| 25. | 3D-2824 | [1] | SEAL-O-RING | |
| 26. | 3K-0360 | [1] | SEAL-O-RING | |
| 27. | 4J-0527 | [1] | SEAL-O-RING | |
| 28. | 5C-9553 M | [4] | BOLT (M6X1X16-MM) | |
| 29. | 6D-9157 | [1] | SEAL-O-RING | |
| 30. | 6J-2680 | [1] | SEAL-O-RING | |
| 31. | 6V-0852 | [1] | CAP-DUST | |
| 32. | 8C-3451 | [1] | CAP-DUST (HYDRAULIC OIL) | |
| 33. | 8T-0267 M | [2] | BOLT-SOCKET HEAD (M6X1X12-MM) | |
| 34. | 8T-4121 | [17] | WASHER-HARD (11X21X2.5-MM THK) | |
| 35. | 8T-4136 M | [5] | BOLT (M10X1.5X25-MM) | |
| 36. | 8T-4137 M | [8] | BOLT (M10X1.5X20-MM) | |
| 37. | 8T-4183 M | [2] | BOLT (M12X1.75X40-MM) | |
| 38. | 8T-4195 M | [4] | BOLT (M10X1.5X30-MM) | |
| 39. | 8T-4223 | [4] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 40. | 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| 41. | 8T-4908 M | [4] | BOLT (M8X1.25X25-MM) | |
| 42. | 8T-4956 M | [4] | BOLT (M12X1.75X35-MM) | |
| 43. | 9X-8256 | [4] | WASHER (6.6X12X2-MM THK) | |
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||



