The Cummins/Onan C40 N6H is a 2.4 L 4-cylinder naturally aspirated engine rated at 3600 rpm. It powers generator sets from Cummins/Onan, including the RX 40.
Also known as: Cummins C40 N6H
| Displacement | 2.4 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Naturally aspirated |
| Rated speed | 3600 rpm |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
Step-by-step procedures compiled from the Cummins/Onan service manual for this engine.
The Cummins/Onan C40 N6H has a displacement of 2.4 liters with 4 cylinders.
The Cummins/Onan C40 N6H powers 1 generator set(s), including Cummins/Onan RX 40.