After World War II, Clayton Equipment Ltd experienced significant growth as it acted as a subcontractor of International Combustion, constructing various products such as farming equipment and industrial conveyors in response to a post-War shortage. The expansion necessitated the acquisition of new premises Record Works in Hatton, Derbyshire, and in 1957, Clayton Equipment was acquired by International Combustion Ltd. The site in Hatton had produced battery and Diesel powered generator sets for the Post Office, Flax Drying, a Glass Works and a stores for military equipment. The works covered an area of approximately of which was utilised for factory space, drawing and general office, stores, etc. of this land was rented under a yearly tenancy agreement from the Railway Executive at a cost of £30 per year.