HomeEnginesCummins/Onan QSB5-G4

Cummins/Onan QSB5-G4 Engine Engine

The Cummins/Onan QSB5-G4 is a 4.5 L 4-cylinder turbo charged and charge air cooled engine rated at 1500 rpm. It powers generator sets from Cummins/Onan, including the C100D6RT. It holds 12.2 L (3.2 gal) of oil and 34 L (9.0 gal) of coolant.

Part of the Cummins/Onan QSB5 engine family — 7 variants share parts & fitment.

4.5 L
Displacement
4
Cylinders
1500 rpm
Rated speed
12.2 L
Oil capacity

Engine specifications

Oil capacity12.2 L
Coolant capacity34.0 L
Displacement4.5 L
Cylinders4
AspirationTurbo charged and charge air cooled
Rated speed1500 rpm

Generator sets powered by this engine

1
Cummins/Onan C100D6RT

Common questions

What is the oil capacity of the Cummins/Onan QSB5-G4?

The Cummins/Onan QSB5-G4 engine has an oil capacity of 12.2 liters.

What is the displacement of the Cummins/Onan QSB5-G4?

The Cummins/Onan QSB5-G4 has a displacement of 4.5 liters with 4 cylinders.

Which generators use the Cummins/Onan QSB5-G4 engine?

The Cummins/Onan QSB5-G4 powers 1 generator set(s), including Cummins/Onan C100D6RT.