BASIC ENGINE
CYLINDER BLOCK GPCYLINDER HEAD GP
FLYWHEEL GP
GEAR GP
HOUSING GP-FLYWHEEL
GEAR GP
MOUNTING GP-ALTERNATOR
MOUNTING GP-ENGINE
MOUNTING GP-STARTING MOTOR
BASIC ENGINE
CYLINDER BLOCK GP#SEBP49460020
296-4787: CYLINDER BLOCK GP
296-4787 CYLINDER BLOCK GP
S/N JKH1-UP
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
S/N JKH1-UP
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 324-4175 | [1] | EYE | |
| 2. | 294-1724 | [1] | EYE | |
| 3. | 5I-5181 | [2] | BOLT | |
| 4. | 099-4483 M | [2] | BOLT (M12X1.25X30-MM) | |
| 5. | 096-2501 | [4] | LOCKWASHER | |
| 6. | 8T-4191 M | [1] | BOLT (M10X1.5X16-MM) | |
| 7. | 095-2039 | [1] | WASHER-SPECIAL | |
| 8. | 5I-7654 | [3] | PLATE (STANDARD) | |
| 5I-7787 AB | PLATE (0.15-MM OS) | |||
| 5I-7788 AB | PLATE (0.3-MM OS) | |||
| 5I-7789 AB | PLATE (0.45-MM OS) | |||
| 9. | 5I-7588 | [5] | SET-BEARING (STANDARD) | |
| 5I-7784 AB | SET-BEARING (0.25-MM US) | |||
| 5I-7785 AB | SET-BEARING (0.5-MM US) | |||
| 5I-7786 AB | SET-BEARING (0.75-MM US) | |||
| 10. | 296-4699 Y | [1] | CYLINDER BLOCK GP (WITH BEARINGS) | |
| A | NOT PART OF THIS GROUP | |||
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP49460021
305-4766: CYLINDER HEAD AS
305-4766 CYLINDER HEAD AS
S/N JKH1-UP
PART OF 296-4784 CYLINDER HEAD GP
ALSO AN ATTACHMENT
S/N JKH1-UP
PART OF 296-4784 CYLINDER HEAD GP
ALSO AN ATTACHMENT
#SEBP49460022
296-4784: CYLINDER HEAD GP
#SEBP49460023
296-4783: FLYWHEEL GP
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS#SEBP49460024
296-4651: GEAR GP-FRONT
#SEBP49460025
296-4803: HOUSING GP-FLYWHEEL
296-4803 HOUSING GP-FLYWHEEL
S/N JKH1-UP
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
S/N JKH1-UP
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 296-4701 | [1] | HOUSING | |
| 2. | 5I-7660 | [1] | SEAL AS | |
| 3. | 294-7251 M | [1] | BOLT AS | |
| 4. | 5I-4983 | [2] | STUD | |
| 5. | 5I-7607 | [1] | PLUG | |
| 6. | 294-1737 | [8] | BOLT (M8X1.25X35.5-MM) | |
| 7. | 294-1738 | [2] | BOLT (M10X1.5X32-MM) | |
| 8. | 294-1726 M | [10] | BOLT (M10X1.5X37-MM) | |
| 9. | 379-4433 | [1] | GASKET | |
| 10. | 5I-7599 | [1] | SEAL-O-RING | |
| M | METRIC PART | |||
#SEBP49460026
296-4788: HOUSING GP-FRONT
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 222-8292 | [1] | POINTER | |
| 2. | 294-1731 | [1] | BOLT (M8X1.25X19.5-MM) | |
| 3. | 6V-8236 | [1] | PIN-SPRING | |
| 4. | 294-1732 | [1] | PLATE | |
| 5. | 6V-5215 M | [2] | BOLT (M8X1.25X16-MM) | |
| 6. | 297-7646 | [2] | BOLT (M8X1.25X95.5-MM) | |
| 7. | 178-6538 | [1] | COVER AS | |
| 8. | 8T-4137 M | [6] | BOLT (M10X1.5X20-MM) | |
| 9. | 5I-7610 M | [1] | BOLT (M10X1.5X20-MM) | |
| 10. | 297-7647 | [6] | BOLT (M10X1.5X77-MM) | |
| 11. | 8T-4172 M | [2] | BOLT (M10X1.5X80-MM) | |
| 12. | 5I-7896 | [4] | BOLT (M8X1.25X95-MM) | |
| 13. | 7X-0796 | [6] | LOCKWASHER (10.2X18.4X2.5-MM THK) | |
| 14. | 294-1733 | [1] | GASKET | |
| 15. | 294-1734 | [1] | GASKET | |
| 16. | 212-8571 | [1] | COVER | |
| 17. | 212-8572 | [1] | GASKET | |
| 18. | 196-8366 | [1] | BOLT | |
| 19. | 294-1735 | [5] | BOLT (M8X1.25X90.5-MM) | |
| 20. | 294-7251 M | [6] | BOLT AS | |
| 21. | 294-1726 M | [3] | BOLT (M10X1.5X37-MM) | |
| 22. | 096-9435 | [1] | PLUG | |
| 23. | 096-9532 | [1] | WASHER (15.8X22.5X2-MM THK) | |
| 24. | 096-9528 | [1] | SEAL-O-RING | |
| 25. | 6F-7556 | [2] | COVER | |
| 26. | 5I-7632 | [1] | PIPE | |
| 27. | 296-4700 | [1] | BODY AS | |
| 27A. | 294-1728 | [1] | GEAR | |
| 27B. | 125-2950 | [1] | GEAR AS (9-TEETH) | |
| 27C. | 195-8225 | [1] | CAP (MAIN BEARING) | |
| 30. | 294-1729 | [1] | GEAR AS | |
| 31. | 5I-7656 | [1] | SEAL | |
| 32. | 6F-7557 | [2] | GASKET | |
| 33. | 5I-7683 | [1] | SPINDLE | |
| 34. | 178-6537 | [1] | GASKET | |
| 35. | 5I-7558 | [1] | GEAR AS (9-TEETH) | |
| 36. | 096-1024 | [1] | BOLT AS | |
| 37. | 195-8212 | [1] | PLUG | |
| M | METRIC PART | |||
#SEBP49460027
296-4798: MOUNTING GP-ALTERNATOR
296-4798 MOUNTING GP-ALTERNATOR
S/N JKH1-UP
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
S/N JKH1-UP
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 178-6600 | [1] | PULLER | |
| 2. | 296-4758 | [1] | PLATE | |
| 3. | 5I-7750 | [2] | WASHER (12.5X25X8-MM THK) | |
| 4. | 294-1860 | [1] | BOLT | |
| 5. | 8T-4137 M | [1] | BOLT (M10X1.5X20-MM) | |
| 6. | 294-1861 M | [2] | BOLT (M12X1.75X30-MM) | |
| 7. | 8T-4223 | [1] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 8. | 296-4759 | [1] | BOLT | |
| 9. | 178-6599 | [1] | WASHER | |
| 10. | 178-6601 | [1] | RING | |
| 11. | 125-2994 Y | [1] | ALTERNATOR GP-CHARGING | |
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#SEBP49460028
255-3035: MOUNTING GP-ENGINE
255-3035 MOUNTING GP-ENGINE
S/N KCD1-UP; HJX1-UP
PART OF 279-7795 INSTALLATION AR-ENGINE
S/N KCD1-UP; HJX1-UP
PART OF 279-7795 INSTALLATION AR-ENGINE
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 099-4707 | [6] | WASHER (16.5X90X9-MM THK) | |
| 2. | 118-9941 | [4] | SUPPORT AS | |
| 3. | 266-6203 | [1] | BRACKET-FRONT (RH) | |
| 4. | 266-6204 | [1] | BRACKET-FRONT (LH) | |
| 5. | 266-6205 | [1] | BRACKET-REAR (RH) | |
| 6. | 266-6206 | [1] | BRACKET-REAR (LH) | |
| 7. | 266-6258 | [2] | MOUNT-RUBBER | |
| 8. | 266-6259 | [2] | MOUNT-RUBBER | |
| 9. | 266-6303 | [2] | MOUNT-RUBBER | |
| 10. | 266-6304 | [2] | MOUNT-RUBBER | |
| 11. | 7X-2475 M | [2] | BOLT (M16X2X130-MM) | |
| 12. | 8T-4174 M | [2] | BOLT (M16X2X120-MM) | |
| 13. | 8T-4223 | [16] | WASHER-HARD (13.5X25.5X3-MM THK) | |
| 14. | 8T-4956 M | [16] | BOLT (M12X1.75X35-MM) | |
| 15. | 9X-8257 | [8] | WASHER (17.5X30X3.5-MM THK) | |
| M | METRIC PART | |||
#SEBP49460029
296-4637: MOUNTING GP-STARTING MOTOR
296-4637 MOUNTING GP-STARTING MOTOR
S/N JKH1-UP
24-VOLT
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
S/N JKH1-UP
24-VOLT
PART OF 279-7813 ENGINE AR
ALSO AN ATTACHMENT
Parts for your 312D EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 5I-7599 | [1] | SEAL-O-RING | |
| 2. | 135-2369 | [1] | COVER | |
| 3. | 135-2370 M | [1] | BOLT (M5X0.8X25-MM) | |
| 4. | 294-1850 | [1] | WASHER | |
| 5. | 294-1851 | [1] | WASHER | |
| 6. | 272-4774 Y | [1] | STARTING MOTOR GP-ELECTRIC | |
| 7. | 6V-8231 M | [2] | NUT (M10X1.25-THD) | |
| 8. | 7X-0796 | [2] | LOCKWASHER (10.2X18.4X2.5-MM THK) | |
| M | METRIC PART | |||
| R | REMANUFACTURED PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
Information:
BASIC ENGINE
CYLINDER BLOCK GP
Specifications
Tool Operating Manual
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Testing and Adjusting
Troubleshooting
Disassembly and Assembly