Cummins/Onan QSB5-G3 Engine
The Cummins/Onan QSB5-G3 is a 4.5 L turbocharged, charge air cooled engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, MQ and MQ Power, including the DSFAA, DSFAB, DSFAC and DSFAD. It holds 45 L (11.9 gal) of oil and 17 L (4.5 gal) of coolant.
Engine specifications
| Oil capacity | 45.0 L |
|---|---|
| Coolant capacity | 17.0 L |
| Displacement | 4.5 L |
| Aspiration | turbocharged, charge air cooled |
| Rated speed | 1800 rpm |
Generator sets powered by this engine
Shared across brands: Cummins/Onan, MQ, MQ Power