HomeEnginesCummins/Onan QSL

Cummins/Onan QSL Engine Engine

The Cummins/Onan QSL is a 9 L 6-cylinder turbocharged and charge air cooled engine rated at 2100 rpm, producing up to 272 kW. It powers generator sets from Cummins/Onan, including the QSL 365. It holds 24 L (6.3 gal) of oil.

Also known as: Cummins QSL

9.0 L
Displacement
6
Cylinders
2100 rpm
Rated speed
272 kW
Gross power

Engine specifications

Oil capacity24.0 L
Displacement9.0 L
Cylinders6
AspirationTURBOCHARGED AND CHARGE AIR COOLED
Rated speed2100 rpm
Gross power272 kW

Generator sets powered by this engine

1
Cummins/Onan QSL 365

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterCummins branded components such as starters and alternators2000 hr find
Fuel filterCummins branded components such as starters and alternators2000 hr find
Oil filterCummins branded components such as starters and alternators2000 hr find
BeltCummins branded components such as starters and alternators2000 hr find
CoolantCummins branded components such as starters and alternators1000.0 L2000 hr
OilCummins branded components such as starters and alternators1000.0 L2000 hr

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Common questions

What is the oil capacity of the Cummins/Onan QSL?

The Cummins/Onan QSL engine has an oil capacity of 24.0 liters.

What is the displacement of the Cummins/Onan QSL?

The Cummins/Onan QSL has a displacement of 9.0 liters with 6 cylinders.

Which generators use the Cummins/Onan QSL engine?

The Cummins/Onan QSL powers 1 generator set(s), including Cummins/Onan QSL 365.

How often should you change the oil in the Cummins/Onan QSL?

The Cummins/Onan QSL oil change interval is every 2000 hours.