The Kohler M12 is a generator set powered by a M12 engine. It holds about 1.9 L (0.5 gal) of oil. The set weighs about 58.5 kg (129 lb). An integrated tank holds 5.68 L (1.5 gal).
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.