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.
| Oil capacity | 14.2 L |
|---|---|
| Displacement | 6.7 L |
| Cylinders | 6 |
| Aspiration | Turbocharged and Charge-Air Cooled |
| Rated speed | 231 rpm |
| Gross power | 128 kW |
Shared across brands: Cummins/Onan, Komatsu, MQ Power
| Part # | Description | Category |
|---|---|---|
| 9851268101e | Operator and maintenance manual - plasticized | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Cummins/Onan QSB6.7 engine has an oil capacity of 14.2 liters.
The Cummins/Onan QSB6.7 has a displacement of 6.7 liters with 6 cylinders.
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.