Harley-Davidson Harley-Davidson Harley-Davidson, Inc. (H-D), or Harley, is an American motorcycle manufacturer, founded in Milwaukee, Wisconsin in 1903. One of two major American motorcycle manufacturers to survive the Great Depression (along with Indian), the company has survived numerous ownership arrangements, subsidiary arrangements (e.g., Aermacchi 1960-1978 and Buell 1987-2009), periods of poor economic health and product quality, as well as intense global competition, to become one of the world's largest motorcycle manufacturers and an iconic brand widely known for its loyal following. There are owner clubs and events worldwide as well as a company-sponsored brand-focused museum. Noted for a style of customization
Harley-Davidson by the Davis Machine Company from 1917 to 1921, when Davis stopped manufacturing bicycles. By 1920, Harley-Davidson was the largest motorcycle manufacturer in the world, with 28,189 machines produced, and dealers in 67 countries. In 1921, a Harley-Davidson, ridden by Otto Walker, was the first motorcycle ever to win a race at an average speed greater than . During the 1920s, several improvements were put in place, such as a new 74 cubic inch (1,212.6 cm³) V-Twin, introduced in 1921, and the "teardrop" gas tank in 1925. A front brake was added in 1928 although notably only on the J/JD