HomeEnginesCummins/Onan GTA38G1

Cummins/Onan GTA38G1 Engine Engine

The Cummins/Onan GTA38G1 is a 38 L engine rated at 1800 rpm, producing up to 665 kW. It powers generator sets from Cummins/Onan, including the GFJA.

Also known as: Cummins GTA38G1

38.0 L
Displacement
1800 rpm
Rated speed
665 kW
Gross power

Engine specifications

Displacement38.0 L
Rated speed1800 rpm
Gross power665 kW

Generator sets powered by this engine

1
Cummins/Onan GFJA

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter find
Fuel filter find
Oil filter find
Belt find
Coolant
Oil

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the displacement of the Cummins/Onan GTA38G1?

The Cummins/Onan GTA38G1 has a displacement of 38.0 liters.

Which generators use the Cummins/Onan GTA38G1 engine?

The Cummins/Onan GTA38G1 powers 1 generator set(s), including Cummins/Onan GFJA.