The London, Midland and Scottish Railway (LMS) pioneered the use of diesel shunting locomotives in Great Britain.
This was an 0-4-0 diesel mechanical shunting locomotive built by Hudswell Clarke for the Crewe Works Narrow-gauge railway in 1930.
[3] This was the first experimental, standard-gauge shunter, nominally rebuilt from a Midland Railway steam locomotive in 1932 (originally built in September 1892 by the Vulcan Foundry).
It was withdrawn from service in September 1939 and converted to a mobile power unit, emerging in its new guise as MPU3 in November 1940.
For detailed information see the main articles: These were 0-6-0 diesel-electric shunters built by Armstrong Whitworth in 1936.