The Cummins/Onan B43M (Spec C) is a 0.7 L 2-cylinder engine rated at 3600 rpm, producing up to 11.9 kW. It powers generator sets from Cummins/Onan, including the B43. It holds 1.6 L (0.4 gal) of oil.
Part of the Cummins/Onan B43M engine family — 3 variants share parts & fitment.
| Oil capacity | 1.6 L |
|---|---|
| Displacement | 0.704 L |
| Cylinders | 2 |
| Rated speed | 3600 rpm |
| Gross power | 11 kW |
| Part # | Description | Category |
|---|---|---|
| FS-1406-2 | Nikki CARBURETOR WITH SEMI-AUTOMATIC CHOKE AND LIMITED IDLE ADJUSTMENT SCREW | air_filter |
| C-1075 | breather tube | breather_tube |
| FS-1663 | FLOAT ASSEMBLY | float_assembly |
| FS-1440 | NEEDLE VALVE | needle_valve |
| LS-1170 | Oil, crankcase | oil_filter |
| ES-1001 | BRUSH WEAR LIMIT | other_service |
| ES-1003 | other_service | |
| ES-1332 | VOLTAGE REGULATOR CONNECTIONS | other_service |
| ES-1333 | IGNITION COIL | other_service |
| FS-1000 | SIDE PULL GOVERNOR ASSEMBLY | other_service |
| FS-1512 | FRONT PULL GOVERNOR ASSEMBLY | other_service |
| ES-1334 | ELECTRIC STARTER | starter |
| M-1318 | wing nut | wing_nut |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan B43M (Spec C) engine has an oil capacity of 1.6 liters.
The Cummins/Onan B43M (Spec C) has a displacement of 0.704 liters with 2 cylinders.
The Cummins/Onan B43M (Spec C) powers 1 generator set(s), including Cummins/Onan B43.