The Ford CSG-649 is a 4.95 L 6-cylinder natural aspiration engine rated at 1800 rpm, producing up to 61 kW. It powers generator sets from Kohler, including the 30 RZ and 30RFZ. It holds 6.6 L (1.7 gal) of oil and 28.8 L (7.6 gal) of coolant.
| Oil capacity | 6.6 L |
|---|---|
| Coolant capacity | 28.8 L |
| Displacement | 4.951 L |
| Cylinders | 6 |
| Aspiration | Natural Aspiration |
| Rated speed | 1800 rpm |
| Gross power | 61 kW |