The Cummins/Onan QSK38 is a 37.8 L 12-cylinder turbocharged and aftercooled engine rated at 1800 rpm, producing up to 940 kW. It powers generator sets from Cummins/Onan. It holds 186 L (49.1 gal) of oil and 112 L (29.6 gal) of coolant.
Part of the Cummins/Onan QSK38 engine family — 6 variants share parts & fitment.
| Oil capacity | 186.0 L |
|---|---|
| Coolant capacity | 112.0 L |
| Displacement | 37.8 L |
| Cylinders | 12 |
| Aspiration | turbocharged And Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 940 kW |
| Part # | Description | Category |
|---|---|---|
| M-3007525 | Cylinder Liner Kit | other_service |
| M-3022157 | Cylinder Liner | other_service |
Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.
The Cummins/Onan QSK38 engine has an oil capacity of 186.0 liters.
The Cummins/Onan QSK38 has a displacement of 37.8 liters with 12 cylinders.
The Cummins/Onan QSK38 powers 1 generator set(s), including Cummins/Onan QSK38.