The Cummins/Onan QSK23-G7 is a 23.15 L 6-cylinder turbocharged and low temperature after-cooled engine. It powers generator sets from Cummins/Onan, including the C1600D6RG and C800D6RG. It holds 102 L (26.9 gal) of oil.
Also known as: Cummins QSK23-G7
Part of the Cummins/Onan QSK23 engine family — 3 variants share parts & fitment.
| Oil capacity | 102.0 L |
|---|---|
| Displacement | 23.15 L |
| Cylinders | 6 |
| Aspiration | turbocharged and low temperature after-cooled |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Part # | Description | Category |
|---|---|---|
| 204-009 | Acronyms and Abbreviations | Service part / kit |
| 3822735 | Plastic bead blasting media | Service part / kit |
| 4021375 | QSK23 Troubleshooting and Repair Manual | Service part / kit |
| DKE1200BHT | Litho in U.S.A. (17-10) | Service part / kit |
| EX1200-7 | Upperstructure (continued) | Service part / kit |
| KS-E368R | Head Office | Service part / kit |
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 QSK23-G7 engine has an oil capacity of 102.0 liters.
The Cummins/Onan QSK23-G7 has a displacement of 23.15 liters with 6 cylinders.
The Cummins/Onan QSK23-G7 powers 2 generator set(s), including Cummins/Onan C1600D6RG, Cummins/Onan C800D6RG.