History of the motorcycle manufacturer, with their motorcycles being sold by dealers in 67 countries. By the late 1920s or early 1930s, DKW in Germany took over as the largest manufacturer. BMW motorcycles came on the scene in 1923 with a shaft drive and an opposed-twin or "boxer" engine enclosed with the transmission in a single aluminum housing. By 1931, Indian and Harley-Davidson were the only two American manufacturers producing commercial motorcycles. This two-company rivalry in the United States remained until 1953, when the Indian Motorcycle factory in Springfield, Massachusetts closed and Royal Enfield took over the Indian name. There were over 80 different
Gnome et Rhône Rhone to 493cc, and approximately 3000 models were produced through 1924. The company then embarked on its own motorcycle designs, producing single-cylinder and flat-twin machines through WW2. Gnome et Rhône Gnome et Rhône was a major French aircraft engine manufacturer. Between 1914 and 1918 they produced 25,000 of their 9-cylinder Delta and Le Rhône 110 hp (81 kW) rotary designs, while another 75,000 were produced by various licensees. These engines powered the majority of aircraft in the first half of the war, both Allied designs as well as German examples produced by Motorenfabrik Oberursel. In the post-war era they started