The Waukesha F3521GSI is a 58 L 6-cylinder naturally aspirated engine. It powers generator sets from Waukesha, including the VHP3600GSI. It holds 76 L (20.1 gal) of oil.
| Oil capacity | 76.0 L |
|---|---|
| Displacement | 58.0 L |
| Cylinders | 6 |
| Aspiration | Naturally aspirated |