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.
Maintenance schedule
| 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.
Parts cataloged across the Cummins/Onan QSK23 family
6| Part # | Description | Category |
|---|
| 204-009 | Acronyms and Abbreviations | other_service |
| 3822735 | Plastic bead blasting media | other_service |
| 4021375 | QSK23 Troubleshooting and Repair Manual | other_service |
| DKE1200BHT | Litho in U.S.A. (17-10) | other_service |
| EX1200-7 | Upperstructure (continued) | other_service |
| KS-E368R | Head Office | other_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 oil capacity of the Cummins/Onan QSK23-G7?
The Cummins/Onan QSK23-G7 engine has an oil capacity of 102.0 liters.
What is the displacement of the Cummins/Onan QSK23-G7?
The Cummins/Onan QSK23-G7 has a displacement of 23.15 liters with 6 cylinders.
Which generators use the Cummins/Onan QSK23-G7 engine?
The Cummins/Onan QSK23-G7 powers 2 generator set(s), including Cummins/Onan C1600D6RG, Cummins/Onan C800D6RG.