Facts About Generators

Cummins/Onan 4BTAA3.3-G11 Engine

The Cummins/Onan 4BTAA3.3-G11 is a 3.3 L turbocharged, charge air cooled engine. It powers generator sets from Cummins/Onan, including the B3.3 series. It holds 7 L (1.8 gal) of oil and 13 L (3.4 gal) of coolant.

Engine specifications

Oil capacity7.0 L
Coolant capacity13.0 L
Displacement3.3 L
AspirationTurbocharged, Charge Air Cooled

Generator sets powered by this engine