HomeEnginesCummins/Onan QSJ5.9G-G3

Cummins/Onan QSJ5.9G-G3 Engine Engine

The Cummins/Onan QSJ5.9G-G3 is a 6 L 6-cylinder turbocharged and aftercooled engine. It powers generator sets from Cummins/Onan, including the C100 N6 and C80 N6.

Part of the Cummins/Onan QSJ5.9G engine family — 4 variants share parts & fitment.

6.0 L
Displacement
6
Cylinders

Engine specifications

Displacement6.0 L
Cylinders6
AspirationTurbocharged and Aftercooled

Generator sets powered by this engine

2
Cummins/Onan C100 N6Cummins/Onan C80 N6

Parts cataloged across the Cummins/Onan QSJ5.9G family

4
Part #DescriptionCategory
3824510electronic cleanerother_service
A047A982EControls GCP E-Com USB interface cableother_service
A026M166accessory seal kitseal
B180313494Onan C50N6 March Inspectionservice_type

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Common questions

What is the displacement of the Cummins/Onan QSJ5.9G-G3?

The Cummins/Onan QSJ5.9G-G3 has a displacement of 6.0 liters with 6 cylinders.

Which generators use the Cummins/Onan QSJ5.9G-G3 engine?

The Cummins/Onan QSJ5.9G-G3 powers 2 generator set(s), including Cummins/Onan C100 N6, Cummins/Onan C80 N6.