The Cummins/Onan QSL9-G3 NR3 is a 8.9 L 6-cylinder turbocharged and cac engine rated at 1800 rpm, producing up to 298 kW. It powers generator sets from Cummins/Onan, including the DQDAA. It holds 22.7 L (6.0 gal) of oil and 30.3 L (8.0 gal) of coolant.
Also known as: Cummins, Inc QSL9-G3 NR3
| Oil capacity | 22.7 L |
|---|---|
| Coolant capacity | 30.3 L |
| Displacement | 8.9 L |
| Cylinders | 6 |
| Aspiration | Turbocharged and CAC |
| Rated speed | 1800 rpm |
| Gross power | 298 kW |
How to read your Cummins/Onan engine serial & model number →
| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Fuel filter | — | ||||
| Oil filter | Single spin-on, combination full flow and bypass filters | — | |||
| Coolant | 30.3 L | — | |||
| Oil | 22.7 L | — |
Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Fuel | Number 2 diesel fuel | Direct injection fuel system; fuel filter (dual element with water separator) and automatic electric fuel shutoff | |||
| Fuel | number 2 diesel fuel | Direct injection fuel system |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
The Cummins/Onan QSL9-G3 NR3 engine has an oil capacity of 22.7 liters.
The Cummins/Onan QSL9-G3 NR3 has a displacement of 8.9 liters with 6 cylinders.
The Cummins/Onan QSL9-G3 NR3 powers 1 generator set(s), including Cummins/Onan DQDAA.