When it Matters, Choose Collins. Towers' Choice Since 1972. Collins Manufacturing Corporation is the original manufacturer of the tow dolly and has been the towers' choice for 49 years. Collins Manufacturing was founded in 1972 in Ashland, Oregon by Collins Hassell as the exclusive manufacturer of the Hi-Speed® Dolly. Following in their father's footsteps of working in the logging and trucking industry. Collins Hassell and his brother Ray founded Hassell Fabrication in 1954, which still operates today and specializes in building logging bunks for carrying heavy timber loads in the famous Oregon logging industry. In 1972, Collins Hassell was approached by salesman Charlie Nowell with an idea to design the World's first articulating self-loading tow dolly. With roots in manufacturing products for the logging industry that were designed to carry heavy loads up to 50,000lbs, Collins Hassel used his industry knowledge to design a product to carry cars. This design would become the Collins Hi-Speed® Dolly and permanently impact the towing industry.Collins Manufacturing has been family owned and operated for three generations starting with Collins Hassell, followed by his son Curtis, and now his grandson Chris. Collins Dollies are easy to use and focused on safety for tow operators, customers, and vehicles.Safety has driven innovation at Collins Manufacturing and Collins Hi-Speed® Dolly has been the industry leader every year for 49 years offering the most safety features and highest performance ratings. Collins Hi-Speed® Dolly is the only speed dolly rated for highway use!We go where you go. Rain, snow, gravel, or highway. When it matters, choose Collins. Collins Manufacturing includes the Hi-Speed® Dolly, Carrier Dolly, and other towing products and accessories.