The Cummins/Onan B43M 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.
Also known as: Onan B43M
| Oil capacity | 1.6 L |
|---|---|
| Displacement | 0.704 L |
| Cylinders | 2 |
| Rated speed | 3600 rpm |
| Gross power | 11 kW |
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 1000 hr | find | ||
| Fuel filter | — | 200 hr | find | ||
| Oil filter | — | 1000 hr | find | ||
| Belt | replace as needed | — | find | ||
| Coolant | — | 200 hr | |||
| Oil | API classification SF, SF/CC, or SF/CD | — | 5 hr |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Cummins/Onan B43M engine has an oil capacity of 1.6 liters.
The Cummins/Onan B43M has a displacement of 0.704 liters with 2 cylinders.
The Cummins/Onan B43M powers 1 generator set(s), including Cummins/Onan B43.
The Cummins/Onan B43M oil change interval is every 5 hours.