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Cummins/Onan C100N6 Engine

The Cummins/Onan C100N6 is a 5.9 L 6-cylinder turbocharged and aftercooled engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the RS100.

Also known as: Cummins C100N6

5.9 L
Displacement
6
Cylinders
1800 rpm
Rated speed

Engine specifications

Displacement5.9 L
Cylinders6
AspirationTurbocharged and aftercooled
Rated speed1800 rpm

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter—
Fuel filter—
Oil filter—
Battery—
Belt—
Coolant—
Oil—
Spark plug—

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 C100N6?

The Cummins/Onan C100N6 has a displacement of 5.9 liters with 6 cylinders.

Which generators use the Cummins/Onan C100N6 engine?

The Cummins/Onan C100N6 powers 1 generator set(s), including Cummins/Onan RS100.