Facts About Generators

ISM 1.0 DN Engine

The ISM 1.0 DN is a 0.95 L naturally aspirated engine rated at 1800 rpm. It powers generator sets from Generac, including the GR8. It holds 3.5 L (0.9 gal) of oil and 2.8 L (0.7 gal) of coolant.

Engine specifications

Oil capacity3.5 L
Coolant capacity2.8 L
Displacement0.954 L
AspirationNaturally Aspirated
Rated speed1800 rpm

Generator sets powered by this engine