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 feller buncher
409W-2201 FridayParts $50.59 319D yemparts $37.81 320D sinocmp $35.00 320E yemparts $58.47 322C yemparts $29.15 330C sinocmp $15.00 345C yemparts $41.31 109-0885 FridayParts $65.29 6Y-5318 FridayParts $65.29 320C sinocmp $6.00 324E yemparts $51.51 329D yemparts $32.72 453-5998 atldiesel $86.09 330CL yemparts $89.82 336D yemparts $34.13 336D2 yemparts $50.57 336E yemparts $46.88 234-6613 FridayParts $128.70 307D yemparts $41.70 312D sinocmp $30.00 313D yemparts $42.76 365C yemparts $34.13 9T3370 find 322B yemparts $35.43 325B yemparts $37.03 325C sinocmp $6.00 325D sinocmp $6.00 M313C dieselpartscenter $5.83 158-8987 kuduparts $50.00 3I-1765 kuduparts $50.00 3I-1767 kuduparts $50.00 126-1813 kuduparts $50.00 CA1588987 kuduparts $50.00 CA3I1765 kuduparts $50.00 CA3I1767 kuduparts $50.00 CA1261813 kuduparts $50.00 340D2 yemparts $81.78 345D yemparts $41.31 478-7932 sinocmp $1509.00 FP-XP-0030334 yemparts $1745.06
Parts listed by aftermarket suppliers as fitting this feller buncher — leads compiled from supplier catalogs; verify the exact part for your serial number.
Common questions
What engine does the Caterpillar 521 use?
The Caterpillar 521 feller buncher is powered by the Cummins/Onan MicroLite engine.
About
Caterpillar 521 — feller buncher. Specifications and parts compiled from manufacturer documents.