James and Frederick Howard Ltd. were agricultural engineers and operated a agricultural implement and railway wagon factory in Bedford during the 1920s and 30s, going out of business in 1931. The Britannia Iron & Steel Works Ltd took over the site in 1932 and made pipe fittings etc. on the same site for many years.

Towards the end of the company J and F Howard Ltd offered three sizes of standard gauge locomotive and used a six cylinder petrol engine for the largest, a 12 ton unit. The other sizes were 7 tons and 10 tons.

Examples at Quainton

Examples Previously at Quainton