The Cummins/Onan QSB7-G6 is a 6.7 L 6-cylinder turbocharged engine rated at 1800 rpm, producing up to 204 kW. It powers generator sets from Cummins/Onan and MQ Power, including the QSB7, DCA180SSCU and DCA220SSCU. It holds 17.5 L (4.6 gal) of oil and 43 L (11.4 gal) of coolant.
Also known as: Cummins QSB7-G6
Part of the Cummins/Onan QSB7 engine family — 8 variants share parts & fitment.
| Oil capacity | 17.5 L |
|---|---|
| Coolant capacity | 43.0 L |
| Displacement | 6.7 L |
| Cylinders | 6 |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
| Gross power | 204 kW |
Shared across brands: Cummins/Onan, MQ Power
| Part # | Description | Category |
|---|---|---|
| A047M180 | Filter, Air − Normal Duty | air_filter |
| A054E584 | Filter, Air − Heavy Duty | air_filter |
| A055Z870 | Filter, Air − Replacement − Heavy Duty | air_filter |
| 4915973 | Alternator Manual | alternator |
| PI144D1 | Alternator Model | alternator |
| UC274C | Alternator Model | alternator |
| UC274K | Alternator Model | alternator |
| 0908-0110-00 | Health and Safety manual | other_service |
| 518-0601 | Sealant, Thread (6 ml Tube) | other_service |
| V2403-M-E3BG | Engine Model | 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 QSB7-G6 engine has an oil capacity of 17.5 liters.
The Cummins/Onan QSB7-G6 has a displacement of 6.7 liters with 6 cylinders.
The Cummins/Onan QSB7-G6 powers 3 generator set(s), including Cummins/Onan QSB7, MQ Power DCA180SSCU, MQ Power DCA220SSCU.