The Company Name of Aveling Marshall was created when British Leyland took over the Marshalls company of Gainsborough in 1975. The main products lines were crawler tractors and wheeled shovel loaders which were produced at the Aveling-Barford plant in Grantham. The Track Marshall crawler being introduced in 1956 under Marshalls of Gainsborough. The Marshall's business having been bought by Thos. W. Ward group in 1968. Thomas Ward in 1975 sold Marshall Fowler Ltd. to British Leyland, along with selling off other parts of the Marshall group.