The type D bogie open wagon was one of the more versatile wagons built for the War Department Light Railways. The two-part drop sides allowed the wagons to be emptied easily when carrying aggregates, while shells, rations, ammunition, timber, fuel and water in cans and even troops could be carried easily.
The Nocton Estate Light Railway was one of two large systems of narrow gauge railways in Lincolnshire using ex-WD wagons to transport the annual potato crop to local mainline railway stations. The estates principal custmer being Smiths Crisps. A considerable number of these D type bogie open wagons were operated, being ideal the rapid loading and unloading of potatos during the frenetic harvesting seasons. When not needed for the crops these open wagons could equaly easily be used to load farm supplies, animal feed and materials for the maintenance of tracks, fences, roads and gateways.