Facts About Generators

Generac 2.6 Engine

The Generac 2.6 is a 2.6 L 4-cylinder naturally aspirated engine rated at 1800 rpm. It powers generator sets from Generac, including the SD010, SD015, SD020 and SD025. It holds 5.38 L (1.4 gal) of oil and 3.9 L (1.0 gal) of coolant.

Engine specifications

Oil capacity5.38 L
Coolant capacity3.9 L
Displacement2.6 L
Cylinders4
AspirationNaturally Aspirated
Rated speed1800 rpm

Generator sets powered by this engine