LMS diesel shunter No. 1831 was an experimental diesel hydraulic

shunter A switcher, shunter, yard pilot, switch engine, yard goat, or shifter is a small railroad locomotive used for manoeuvring railroad cars inside a rail yard in a process known as ''switching'' (US) or ''shunting'' (UK). Switchers are not inten ...

built by the London, Midland and Scottish Railway (LMS) in 1931/3, which pioneered diesel shunting in the UK.

Design

It was ordered in 1931 from the

Midland Railway The Midland Railway (MR) was a railway company in the United Kingdom from 1844. The Midland was one of the largest railway companies in Britain in the early 20th century, and the largest employer in Derby, where it had its headquarters. It ama ...

Derby Works The Derby Works comprised a number of British manufacturing facilities designing and building locomotives and rolling stock in Derby, England. The first of these was a group of three maintenance sheds opened around 1840 behind Derby station. Th ...

and delivered in December 1932, nominally a rebuild of a

Midland Railway 1377 Class The Midland Railway 1377 Class was a class of 185 0-6-0T tank locomotives. They were introduced in 1878 by Samuel W. Johnson, and were almost identical to the 1102 class of 1874; the latter having fully enclosed cabs, while the 1377 class we ...

0-6-0T steam locomotive of the same number, built in September 1892 by the

Vulcan Foundry The Vulcan Foundry Limited was an English locomotive builder sited at Newton-le-Willows, Lancashire (now Merseyside). History The Vulcan Foundry opened in 1832, as Charles Tayleur and Company to produce girders for bridges, switches, crossin ...

. The frames and running gear of the original locomotive were retained. It had a

Davey Paxman Davey may refer to: People * Davey (given name) * Davey (surname) * Edward Davey Dunkle (1872–1941), American Major League Baseball pitcher * Davey Havok (born 1975), stage name of David Marchand, lead vocalist of the rock band AFI Places Ant ...

6-cylinder at 750

rpm Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min, or with the notation min−1) is a unit of rotational speed or rotational frequency for rotating machines. Standards ISO 80000-3:2019 defines a unit of rotation as the dimensionl ...

engine (later converted to and a Haslam & Newton transmission.

History

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.Strickland (1982), p.23.

References

Diesel 1831 C locomotives Railway locomotives introduced in 1931 Scrapped locomotives Standard gauge locomotives of Great Britain {{Diesel-loco-stub