Engine
| Cylinders | 6 |
|---|---|
| Aspiration | aftercooled (turbo) |
This engine also powers 2 generator set(s) on Facts About Generators.
Parts
20| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 00005 | Pack - Coolant Test Kit | 4 | Coolant test kit | buy |
| 185046210 | Alternator Assembly | 1 | Alternator | buy |
| 20-00002 | Pint - Supplemental Coolant Additive (SCA) | 1 | Supplemental coolant additive | buy |
| 20-00003 | 1/2 gallon - Supplemental Coolant Additive (SCA) | 1 | Supplemental coolant additive | buy |
| FF232 | Fuel | 1 | Fuel filter | Amazon eBay $39.35 |
| LF747 | Lube | 1 | Oil filter | Amazon eBay $449.10 |
| 015140408 | Screw | 1 | Service part / kit | buy |
| 015140425 | Screw | 2 | Service part / kit | buy |
| 020210010 | Nut | 1 | Service part / kit | buy |
| 026100010 | Washer | 1 | Service part / kit | buy |
| 027100010 | Spring washer | 1 | Service part / kit | buy |
| 040126210 | Bearing | 2 | Service part / kit | buy |
| 06170 | Servicing Schedule Chart | 1 | Service part / kit | buy |
| 06170-03/03 | Water Filter | 4 | Service part / kit | buy |
| 185446217 | Plate, complete | 1 | Service part / kit | buy |
| 185446218 | Stator, complete | 1 | Service part / kit | buy |
| 185446219 | Flywheel, complete | 1 | Service part / kit | buy |
| 185446220 | Clamp | 1 | Service part / kit | buy |
| 185716200 | Plate | 1 | Service part / kit | buy |
| 199236510 | Collar | 1 | Service part / kit | buy |
Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.
Aftermarket parts that fit this excavator
60085-8396 FridayParts $39.86 S4K-T woodline $24.32 311B kuduparts $30.00 312B yemparts $45.80 E110B kuduparts $34.00 E120B sinocmp $6.00 8E-5600 kuduparts $191.00 315C sinocmp $39.00 318C yemparts $32.22 319C yemparts $42.22 321B sinocmp $48.00 322B yemparts $35.43 323E yemparts $36.72 324D yemparts $29.15 326D yemparts $52.61 154-0581 kuduparts $152.00 320B yemparts $32.22 345B yemparts $33.85 221-8859 FridayParts $33.00 106-0178 FridayParts $33.00 311C yemparts $32.22 312C sinocmp $30.00 314D yemparts $54.51 315B yemparts $45.80 320C sinocmp $6.00 323D yemparts $35.77 330C sinocmp $15.00 336D yemparts $34.13 385C yemparts $41.70 E318B kuduparts $34.00 E312 sinocmp $27.00 E320 kuduparts $26.00 E312C kuduparts $34.00 313C find 314C yemparts $42.22 5I-7537 FridayParts $265.00 5I-7538 woodline $31.50 1225311 kuduparts $67.00 305.5 find 307B yemparts $32.22 307D yemparts $41.70 307C yemparts $74.42 K3V63DT kuduparts $203.00 E312B kuduparts $41.00 TDO4HL yemparts $250.83 49189-02450 FridayParts $161.50 119-5186 find 135-2419 FridayParts $795.26 191-2515 FridayParts $4099.88 3054T woodline $0.62 142-6825 FridayParts $4199.59 312BL sinocmp $55.00 9W-7225 FridayParts $65.29 215C sinocmp $289.00 322C yemparts $29.15 325C sinocmp $6.00 330D sinocmp $15.00 8E-5609 FridayParts $42.99 9W-7220 FridayParts $68.41 205B yemparts $37.94
Parts listed by aftermarket suppliers as fitting this excavator — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
What engine does the Caterpillar 312B use?
The Caterpillar 312B excavator is powered by the Komatsu 6170A engine.
About
Caterpillar 312B — excavator. Specifications and parts compiled from manufacturer documents.