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Cummins/Onan QSK23-C Engine Engine

The Cummins/Onan QSK23-C is a 23.15 L 6-cylinder turbo-charged direct injection chamber-type diesel engine engine rated at 1800 rpm, producing up to 760 kW. It powers generator sets from Hitachi, including the EX1200.

Part of the Cummins/Onan QSK23 engine family — 2 variants share parts & fitment.

23.15 L
Displacement
6
Cylinders
1800 rpm
Rated speed
760 kW
Gross power

Engine specifications

Displacement23.15 L
Cylinders6
Aspirationturbo-charged direct injection chamber-type diesel engine
Rated speed1800 rpm
Gross power760 kW

Generator sets powered by this engine

1
Hitachi EX1200

Parts cataloged across the Cummins/Onan QSK23 family

3
Part #DescriptionCategory
DKE1200BHTLitho in U.S.A. (17-10)other_service
EX1200-7Upperstructure (continued)other_service
KS-E368RHead Officeother_service

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 QSK23-C?

The Cummins/Onan QSK23-C has a displacement of 23.15 liters with 6 cylinders.

Which generators use the Cummins/Onan QSK23-C engine?

The Cummins/Onan QSK23-C powers 1 generator set(s), including Hitachi EX1200.