Facts About Generators

Detroit Diesel 12V4000 Engine

The Detroit Diesel 12V4000 is a 48.75 L 12-cylinder turbocharged/aftercooled engine rated at 1800 rpm. It powers generator sets from Generac, including the SD1250 and SD1500. It holds 220 L (58.1 gal) of oil and 159 L (42.0 gal) of coolant.

Engine specifications

Oil capacity220.0 L
Coolant capacity159.0 L
Displacement48.75 L
Cylinders12
AspirationTurbocharged/Aftercooled
Rated speed1800 rpm

Generator sets powered by this engine