In 1930, General Motors Corporation purchased the Winton Engine Co. and Winton's primary customer of gasoline engines, the Electro-Motive Company (a gasoline-electric car manufacturer), combining the two to form GM's Electro-Motive Division (EMD) on January 1, 1941.
Zametki podjetja segajo v leto 1922, ko je bil ustanovljen "Electro-Motive Engineering Corporation".