Facts About Generators

Caterpillar C6.6 Engine

The Caterpillar C6.6 is a 6.6 L 6-cylinder turbocharged, air-to-air aftercooled engine rated at 1800 rpm. It powers generator sets from Caterpillar, including the D125-6, D150-8 and D175-2. It holds 16.5 L (4.4 gal) of oil and 21 L (5.5 gal) of coolant.

Engine specifications

Oil capacity16.5 L
Coolant capacity21.0 L
Displacement6.6 L
Cylinders6
AspirationTurbocharged, Air-to-Air Aftercooled
Rated speed1800 rpm

Generator sets powered by this engine