HomeEnginesCummins/Onan 4BTA 3.9-G4

Cummins/Onan 4BTA 3.9-G4 Engine Engine

The Cummins/Onan 4BTA 3.9-G4 is a 3.92 L 4-cylinder turbocharged engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the C80 D6 and C90D6. It holds 7.9 L (2.1 gal) of coolant.

3.92 L
Displacement
4
Cylinders
1800 rpm
Rated speed

Engine specifications

Coolant capacity7.9 L
Displacement3.92 L
Cylinders4
AspirationTurbocharged
Rated speed1800 rpm

Generator sets powered by this engine

2
Cummins/Onan C80 D6Cummins/Onan C90D6

Common questions

What is the displacement of the Cummins/Onan 4BTA 3.9-G4?

The Cummins/Onan 4BTA 3.9-G4 has a displacement of 3.92 liters with 4 cylinders.

Which generators use the Cummins/Onan 4BTA 3.9-G4 engine?

The Cummins/Onan 4BTA 3.9-G4 powers 2 generator set(s), including Cummins/Onan C80 D6, Cummins/Onan C90D6.