The Leyland Titan was a forward-control chassis with a front-mounted engine designed to carry double-decker bus bodywork. It was built mainly for the United Kingdom market between 1927 and 1942, and between 1945 and 1969.

Guy Motors was a Wolverhampton-based vehicle manufacturer that produced cars, lorries, buses and trolleybuses. The company was founded by Sydney S. Guy (1885–1971) who was born in Kings Heath, Birmingham. Guy Motors operated out of its Fallings Park factory from 1914 to 1982, playing an important role in the development of the British motor industry.