HomeEnginesCummins/Onan QSB6.7

Cummins/Onan QSB6.7 Engine Engine

The Cummins/Onan QSB6.7 is a 6.7 L 6-cylinder turbocharged and charge-air cooled engine rated at 231 rpm, producing up to 128 kW. It powers generator sets from Cummins/Onan, Komatsu and MQ Power, including the CFP7E-F10, CFP7E-F20, CFP7E-F30 and CFP7E-F40. It holds 14.2 L (3.8 gal) of oil.

Also known as: Cummins QSB6.7

Part of the Cummins/Onan QSB6.7 engine family — 7 variants share parts & fitment.

6.7 L
Displacement
6
Cylinders
231 rpm
Rated speed
128 kW
Gross power

Engine specifications

Oil capacity14.2 L
Displacement6.7 L
Cylinders6
AspirationTurbocharged and Charge-Air Cooled
Rated speed231 rpm
Gross power128 kW

Generator sets powered by this engine

17

Shared across brands: Cummins/Onan, Komatsu, MQ Power

Cummins/Onan CFP7E-F10Cummins/Onan CFP7E-F20Cummins/Onan CFP7E-F30Cummins/Onan CFP7E-F40Cummins/Onan CFP7E-F50Cummins/Onan CFP7E-F60Cummins/Onan CFP7EI-F45Cummins/Onan CFP7EIVS-F45Cummins/Onan CFP7EVS-F10Cummins/Onan CFP7EVS-F20Cummins/Onan CFP7EVS-F30Cummins/Onan CFP7EVS-F40Cummins/Onan CFP7EVS-F50Cummins/Onan CFP7EVS-F60Cummins/Onan QSB 6.7Komatsu HX20MQ Power DCA300SSJU4F

Parts cataloged across the Cummins/Onan QSB6.7 family

1
Part #DescriptionCategory
9851268101eOperator and maintenance manual - plasticizedother_service

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

Aftermarket parts that fit this engine

2

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What is the oil capacity of the Cummins/Onan QSB6.7?

The Cummins/Onan QSB6.7 engine has an oil capacity of 14.2 liters.

What is the displacement of the Cummins/Onan QSB6.7?

The Cummins/Onan QSB6.7 has a displacement of 6.7 liters with 6 cylinders.

Which generators use the Cummins/Onan QSB6.7 engine?

The Cummins/Onan QSB6.7 powers 17 generator set(s), including Cummins/Onan CFP7E-F10, Cummins/Onan CFP7E-F20, Cummins/Onan CFP7E-F30, Cummins/Onan CFP7E-F40, Cummins/Onan CFP7E-F50.