LMS diesel shunter 1831

It was ordered in 1931 from the Midland Railway's Derby Works and delivered in December 1932, nominally a rebuild of a Midland Railway 1377 Class 0-6-0T steam locomotive of the same number, built in September 1892 by the Vulcan Foundry.^[1] The frames and running gear of the original locomotive were retained.^[2] It had a Davey Paxman 6-cylinder 400 hp (298 kW) at 750 rpm engine (later converted to 300 hp (224 kW) and a Haslam & Newton transmission.

After initial testing, the locomotive entered stock in May 1934, but was not successful in ordinary service. The locomotive was put into storage in 1936 and officially withdrawn from service in September 1939. It was converted to a mobile power unit, emerging in its new guise as MPU3 in November 1940. It was scrapped in August 1951.^[3]