Generac 40445H Engine
The Generac 40445H is a 4.5 L 4-cylinder turbocharged/aftercooled engine rated at 1800 rpm. It powers generator sets from Generac, including the SD100. It holds 20.8 L (5.5 gal) of oil and 14.2 L (3.8 gal) of coolant.
Engine specifications
| Oil capacity | 20.8 L |
|---|---|
| Coolant capacity | 14.2 L |
| Displacement | 4.5 L |
| Cylinders | 4 |
| Aspiration | Turbocharged/Aftercooled |
| Rated speed | 1800 rpm |