The Cummins/Onan QSB6.7-G17 is a 6.7 L 6-cylinder turbocharged, charge air cooled engine rated at 1500 rpm. It powers generator sets from Cummins/Onan. It holds 19.5 L (5.2 gal) of oil and 32.4 L (8.6 gal) of coolant.
Also known as: Cummins® QSB6.7-G17
Part of the Cummins/Onan QSB6.7 engine family — 7 variants share parts & fitment.
| Oil capacity | 19.5 L |
|---|---|
| Coolant capacity | 32.4 L |
| Displacement | 6.7 L |
| Cylinders | 6 |
| Aspiration | Turbocharged, Charge air cooled |
| Rated speed | 1500 rpm |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Dry type, Replaceable paper element air cleaner with restriction indicator | — | |||
| Fuel filter | Pre filter including water separator and Water In Fuel (WIF) sensor and main filter | — | |||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | 32.4 l | — | |||
| Oil | Cl4+ 15W40 | 17.5 l | — | 639 hr | |
| 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 |
|---|---|---|
| 9851268101e | LinkOne parts catalogue, CD | 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 QSB6.7-G17 engine has an oil capacity of 19.5 liters.
The Cummins/Onan QSB6.7-G17 has a displacement of 6.7 liters with 6 cylinders.
The Cummins/Onan QSB6.7-G17 powers 1 generator set(s), including Cummins/Onan QSB6.7-G17.
The Cummins/Onan QSB6.7-G17 oil change interval is every 639 hours.