Generac 3.9DTA Engine
The Generac 3.9DTA is a 3.9 L 4-cylinder turbocharged/aftercooled engine rated at 1800 rpm. It powers generator sets from Generac, including the SD060, SD080 and SD100. It holds 18 L (4.8 gal) of oil and 6.4 L (1.7 gal) of coolant.
Engine specifications
| Oil capacity | 18.0 L |
|---|---|
| Coolant capacity | 6.4 L |
| Displacement | 3.9 L |
| Cylinders | 4 |
| Aspiration | Turbocharged/Aftercooled |
| Rated speed | 1800 rpm |