The Cummins/Onan 4BTA3.9-G11 is a 3.9 L turbocharged engine rated at 1500 rpm. It powers generator sets from AKSA, including the ACD 110. It holds 11 L (2.9 gal) of oil and 7.5 L (2.0 gal) of coolant.
| Oil capacity | 11.0 L |
|---|---|
| Coolant capacity | 7.5 L |
| Displacement | 3.9 L |
| Aspiration | turbocharged |
| Rated speed | 1500 rpm |