The Cummins/Onan C45 N6H is a 2.4 L 4-cylinder naturally aspirated engine rated at 3600 rpm. It powers generator sets from Cummins/Onan, including the RX45.
Also known as: Cummins C45 N6H
| Displacement | 2.4 L |
|---|---|
| Cylinders | 4 |
| Aspiration | Naturally aspirated |
| Rated speed | 3600 rpm |
| Symptom | Cause | Remedy |
|---|---|---|
| Any spillage that occurs during fueling or during oil top-off or oil change must be cleaned up before starting the generator set. | Clean up any spillage before starting the generator set. | |
| Fire Hazard | Contaminated insulation is a fire hazard. | Remove any contaminated insulation and dispose of it in accordance with local regulations. |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | find | |||
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | find | |||
| Coolant | — | ||||
| Oil | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
The Cummins/Onan C45 N6H has a displacement of 2.4 liters with 4 cylinders.
The Cummins/Onan C45 N6H powers 1 generator set(s), including Cummins/Onan RX45.