Cummins Onan portable generators are praised by owners ... These units come in different configurations that run on gasoline, diesel, and Propane, with 20- and 30-Amp breakers.

Cummins makes some of the best engines, especially for trucking, so it's reasonable to wonder who founded the company and why ...

Cummins began independently in 1919, first developing marine four-stroke diesel engines before moving ... applications including tanks, power generators, and aquatic landing crafts in 1938.