HomeEnginesCummins/Onan S Series

Cummins/Onan S Series Engine Engine

The Cummins/Onan S Series is a 3.8 L 4-cylinder turbocharged engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the S3.8 G4 CoolPac, S3.8 G6 CoolPac, S3.8 G7 CoolPac and S3.8-G10 CoolPac. It holds 11 L (2.9 gal) of oil and 11 L (2.9 gal) of coolant.

3.8 L
Displacement
4
Cylinders
1800 rpm
Rated speed
11.0 L
Oil capacity

Engine specifications

Oil capacity11.0 L
Coolant capacity11.0 L
Displacement3.8 L
Cylinders4
AspirationTurbocharged
Rated speed1800 rpm

Generator sets powered by this engine

5
Cummins/Onan S3.8 G4 CoolPacCummins/Onan S3.8 G6 CoolPacCummins/Onan S3.8 G7 CoolPacCummins/Onan S3.8-G10 CoolPacCummins/Onan S3.8-G8 CoolPac

Common questions

What is the oil capacity of the Cummins/Onan S Series?

The Cummins/Onan S Series engine has an oil capacity of 11.0 liters.

What is the displacement of the Cummins/Onan S Series?

The Cummins/Onan S Series has a displacement of 3.8 liters with 4 cylinders.

Which generators use the Cummins/Onan S Series engine?

The Cummins/Onan S Series powers 5 generator set(s), including Cummins/Onan S3.8 G4 CoolPac, Cummins/Onan S3.8 G6 CoolPac, Cummins/Onan S3.8 G7 CoolPac, Cummins/Onan S3.8-G10 CoolPac, Cummins/Onan S3.8-G8 CoolPac.