Big Dog is a North American motorcycle manufacturer founded in 1994 in Wichita, Kansas by Sheldon Coleman. Produced in the United States since1994, the company became known for large-displacement, air-cooled V-twin cruisers powered primarily by S&S engines, combining bold styling with high torque performance. Big Dog motorcycles are characterized by stretched frames, wide rear tires, and a strong emphasis on American-made components. After ceasing production in 2011, the brand was later revived under new ownership, securing Big Dog a notable place in modern American custom motorcycle history.