Engine
| Displacement | 0.304 L |
|---|---|
| Cylinders | 1 |
| Aspiration | Air Cooled |
| Rated speed | 3600 rpm |
| Oil capacity | 1.5 L |
This engine also powers 5 generator set(s) on Facts About Generators.
Parts
39| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 611-1194 | Wiring Schematic - MicroLite, Spec A (60 Hertz) | Wiring schematic | buy | |
| 611-1226 | Wiring Schematic - MicroLite, Spec B through E (50 Hertz) | Wiring schematic | buy | |
| 611-1245 | Wiring Schematic - MicroLite, Begin Spec F (50 Hertz) | Wiring schematic | buy | |
| 611-1246 | Wiring Schematic - MicroLite, Begin Spec F (60 Hertz) | Wiring schematic | buy | |
| 611-1255 | Wiring Schematic - MicroLite, Begin Spec F (60 Hz/100 V) | Wiring schematic | buy | |
| 611-1264 | Wiring Schematic - MicroLite, Begin Spec G (50 Hertz) | Wiring schematic | buy | |
| 611-1265 | Wiring Schematic - MicroLite, Begin Spec G (60 Hertz) | Wiring schematic | buy | |
| 8-11 | air filter | Air filter | ironwing $23.29 | |
| 8-12 | choke and choke linkage | Air filter | dieselpartscenter $35.83 | |
| 8-13 | carburetor passages | Air filter | buy | |
| 8-14 | carburetor main and idle adjustment screws | Air filter | dieselpartscenter $2.00 | |
| 8-15 | internal passages of carburetor | Air filter | buy | |
| 8-17 | choke operation | Air filter | buy | |
| 8-19 | fuel filter | Fuel filter | buy | |
| 8-20 | pilot jet of carburetor | Air filter | buy | |
| C1113-1s | CRANKCASE COVER GASKET | Crankcase cover gasket | buy | |
| CT1060s | PISTON | Piston | buy | |
| CT1061s | FEELER GAUGE | Feeler gauge | buy | |
| CT1066-2s | ROD CAP ASSEMBLY | Rod cap assembly | buy | |
| CT1090-1s | RIDGE REAMER | Ridge reamer | buy | |
| CT1091-1s | CAP MARK | Cap mark | buy | |
| CT1092-1s | ENVELOPE GRADUATION SCALE | Envelope graduation scale | buy | |
| CT1093-1s | OIL SEAL | Oil seal | buy | |
| CT1123s | CYLINDER GUAGE | Cylinder gauge | buy | |
| ES-1608s | starter support plastic retainer with a vise or other solid surface use care not to have spring return “leg” between the plastic retainer & support when driving out roll pin. | Starter | buy | |
| ES2016 | starter | Starter | buy | |
| ES2017-4s | BATTERY BT1 | Battery | buy | |
| FS1866s | AIR FILTER PREHEAT DOOR ASSEMBLY | Air filter | buy | |
| FS1868s | fuel pump | Pump | buy | |
| G1179-2s | BRUSH HOLDER WIRE SPRING BRUSH | 1 | Brush | buy |
| M1723-1s | BATTERY NEGATIVE (-) CONNECTION | Battery | buy | |
| M1896-7 | PREHEAT DOOR ASSEMBLY | Air filter | buy | |
| M2001s | BATTERY POSITIVE (+) AND REMOTE CONTROL HARNESS OPENING DOOR MOUNTING HOLES SPEC A (4) BEGIN SPEC B (6) | Electrical | buy | |
| VT1043-1s | VALVE SEAL | Valve seal | buy | |
| ES-1612-2s | STATER REASSEMBLY | 1 | Service part / kit | buy |
| ES-1613-1s | STATER ASSEMBLY | 1 | Service part / kit | buy |
| ES1615s | TING ARMATURE FOR GROUNDS | 1 | Service part / kit | buy |
| FS1867s | adjustment plate | Service part / kit | buy | |
| G1178-2s | 1 IN. (25 MM) | 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
60TD06H yemparts $315.90 5I-7903 FridayParts $222.00 E120B sinocmp $6.00 E110B kuduparts $34.00 085-8396 FridayParts $39.86 S4K-T woodline $24.32 311B kuduparts $30.00 312B yemparts $45.80 7Y-3918 FridayParts $21.37 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 $52.61 266-6210 FridayParts $28.50 311CU find 312C sinocmp $30.00 314CCR find 318B yemparts $34.13 320C sinocmp $6.00 320D sinocmp $35.00 323D yemparts $35.77 5I-7579 FridayParts $29.70 320N yemparts $50.37 E320BL kuduparts $34.00 E312B kuduparts $41.00 E200B sinocmp $20.00 E320 kuduparts $26.00 5I-7537 FridayParts $265.00 320B yemparts $32.22 5I-7538 woodline $31.50 TDO4HL yemparts $250.83 49189-02450 FridayParts $161.50 314C yemparts $42.22 112-4009 FridayParts $32.00 315B yemparts $45.80 5I-7773 FridayParts $89.38 5I-7950 ddtp $31.20 5I-7567 kuduparts $88.00 135-2419 FridayParts $795.26 311C yemparts $32.22 102-6433 FridayParts $3999.99 191-2515 FridayParts $4099.88 3054T woodline $0.62 142-6825 FridayParts $4199.59 312BL sinocmp $55.00 107-6553 FridayParts $7999.99 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 211B yemparts $52.61
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 312 use?
The Caterpillar 312 excavator is powered by the Cummins/Onan MicroLite engine.
About
Caterpillar 312 — excavator. Specifications and parts compiled from manufacturer documents.