3.9L DIESEL Engine
The 3.9L DIESEL is a 3.9 L engine. It powers generator sets from Generac, including the QT 40kW. It holds 22.7 L (6.0 gal) of oil and 42.4 L (11.2 gal) of coolant.
Engine specifications
| Oil capacity | 22.7 L |
|---|---|
| Coolant capacity | 42.4 L |
| Displacement | 3.9 L |