The Mitsubishi In-line is a 2.5 L naturally aspirated engine rated at 1800 rpm. It powers generator sets from Generac, including the RD015, RD020, RD048 and RD050. It holds 6.5 L (1.7 gal) of oil and 11.4 L (3.0 gal) of coolant.
| Oil capacity | 6.5 L |
|---|---|
| Coolant capacity | 11.4 L |
| Displacement | 2.5 L |
| Aspiration | Naturally aspirated |
| Rated speed | 1800 rpm |