Facts About Generators

John Deere 4045HFG04A Engine

The John Deere 4045HFG04A is a 4.5 L 4-cylinder turbo/air-to-air, after-cooled engine rated at 1800 rpm. It powers generator sets from Generac, including the MDG100DF4. It holds 15 L (4.0 gal) of oil.

Engine specifications

Oil capacity15.0 L
Displacement4.5 L
Cylinders4
AspirationTurbo/air-to-air, after-cooled
Rated speed1800 rpm

Generator sets powered by this engine