HomeEnginesCummins/Onan QSK95

Cummins/Onan QSK95 Engine Engine

The Cummins/Onan QSK95 is a 95.3 L 16-cylinder turbocharged / aftercooled engine rated at 1700 rpm, producing up to 4200 kW. It powers generator sets from Cummins/Onan, including the C3000 D6, C3250 D6, C3500 D5e and C3500 D6.

Also known as: Cummins QSK95

Part of the Cummins/Onan QSK95 engine family — 3 variants share parts & fitment.

95.3 L
Displacement
16
Cylinders
1700 rpm
Rated speed
4200 kW
Gross power

Engine specifications

Displacement95.3 L
Cylinders16
AspirationTurbocharged / Aftercooled
Rated speed1700 rpm
Gross power4200 kW

Generator sets powered by this engine

6

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 QSK95?

The Cummins/Onan QSK95 has a displacement of 95.3 liters with 16 cylinders.

Which generators use the Cummins/Onan QSK95 engine?

The Cummins/Onan QSK95 powers 6 generator set(s), including Cummins/Onan C3000 D6, Cummins/Onan C3250 D6, Cummins/Onan C3500 D5e, Cummins/Onan C3500 D6, Cummins/Onan C3750 D5e.