The Cummins/Onan C50N6 is a 5.9 L 6-cylinder naturally aspirated engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the RS50.
Also known as: Cummins C50N6
| Displacement | 5.9 L |
|---|---|
| Cylinders | 6 |
| Aspiration | naturally aspirated |
| Rated speed | 1800 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.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 50/50 mixture | below 40°C | 50/50 glycol/water mixture for 50°C ambient cooling system |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Cummins/Onan C50N6 has a displacement of 5.9 liters with 6 cylinders.
The Cummins/Onan C50N6 powers 1 generator set(s), including Cummins/Onan RS50.