Massey Harris Model GP four wheel drive tractor on steel wheels, by the Massey Harris Company, Racine, Wisconsin, c.1930. Engine: 4-cylinder overhead valve gasoline (petrol)/ kerosene by Hercules Motors Corporation, Canton, Ohio, U.S.A. Massey Harris Model GP four wheel drive tractor on steel wheels 1925-1935
Tractor trailed 'Roeslev' sugar beet lifter, land wheel driven, welded steel construction, by Johnston Brothers (Contractors) Ltd, London, EC3, circa 1950 Tractor trailed 'Roeslev' sugar beet lifter 1945-1955
Tractor with hydrostatic transmission, developed by the National Institute of Agricultural Engineering, 1950s Tractor with hydrostatic transmission 1951-1960
One sheet of general arrangement drawings of 100 h.p. four wheel drive Thornycroft Hathi tractor General Arrangement drawings of a tractor
Detachable tractor for Nevilles axis traction perceps, 20th century Detachable tractor for Nevilles axis traction perceps
Tractor, John Deere model GPWT, 1928-1935 (row crop) first production tractor, serial no. 402905 Tractor, John Deere model GPWT
Tractor - agricultural, wheeled - Allis Chalmers model `U' vehicle oil c.1933 Tractor - agricultural 1928-1938