Facts About Generators

Cummins/Onan QSB5-G3 NR3 Engine

The Cummins/Onan QSB5-G3 NR3 is a turbocharged and air-to-air aftercooled engine rated at 1800 rpm. It powers generator sets from Cummins/Onan, including the DSFAE. It holds 12.1 L (3.2 gal) of oil.

Engine specifications

Oil capacity12.1 L
AspirationTurbocharged and air-to-air aftercooled
Rated speed1800 rpm

Generator sets powered by this engine