The Cummins/Onan 6BT5.9-G2 is a 5.9 L turbo after cooled engine rated at 1500 rpm. It powers generator sets from AKSA and Cummins/Onan, including the ACD 125 and 65DGDA. It holds 16.4 L (4.3 gal) of oil and 10.5 L (2.8 gal) of coolant.
| Oil capacity | 16.4 L |
|---|---|
| Coolant capacity | 10.5 L |
| Displacement | 5.9 L |
| Aspiration | turbo after cooled |
| Rated speed | 1500 rpm |
Shared across brands: AKSA, Cummins/Onan