The Doosan D146L is a 14.6 L -8-cylinder turbocharged, aftercooled engine rated at 1800 rpm, producing up to 300 kW. It powers generator sets from Kohler, including the 250 REZX, 250REZX, 250RZX and 300REZX. It holds 47.1 L (12.4 gal) of oil and 227.3 L (60.0 gal) of coolant.
| Oil capacity | 47.1 L |
|---|---|
| Coolant capacity | 227.3 L |
| Displacement | 14.6 L |
| Cylinders | -8 |
| Aspiration | Turbocharged, Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 300 kW |