Mason Motors, founded by A. C. Mason in cooperation with

William C. Durant William Crapo Durant (December 8, 1861 – March 18, 1947) was a leading pioneer of the United States automobile industry and co-founder of General Motors and Chevrolet. He created a system in which a company held multiple marques – each s ...

, was a

U.S. The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territori ...

truck manufacturer based in Flint, Michigan. As a subsidiary of

Durant Motors Durant Motors Inc. was established in 1921 by former General Motors CEO William "Billy" Durant following his termination by the GM board of directors and the New York bankers who financed GM. Corporate relationships Durant Motors attempted t ...

, Mason Truck built Road King Speed Trucks in the early 1920s. Mason Motors also built automobile engines in 1911, who first led Buick's engine works in Flint. That company was absorbed by Chevrolet in 1915, but remained under the Chevrolet umbrella until January 1, 1918, when it became known as the Motor and Axle Division of Chevrolet. There were four separate automobile companies using the name "Mason" between 1898 and 1914 with locations in Massachusetts, Iowa, Illinois and New York. Records show that Mason Motors of Flint, MI was a truck manufacturer and also supplied engines for Buick use, but they did not manufacture passenger automobiles.

References

Defunct motor vehicle manufacturers of the United States Durant Motors {{Truck-stub