LMS diesel shunter 7054 was initially allocated the number 7404 but this number was never carried. It was supplied by the Hunslet Engine Company

Hunslet Engine Company

The Hunslet Engine Company is a British locomotive-building company founded in 1864 at Jack Lane, Hunslet, Leeds, West Yorkshire, England by John Towlerton Leather, a civil engineering contractor, who appointed James Campbell as his Works Manager.In 1871, James Campbell bought the company for...

 in 1934. Testing started in October 1934 and it was taken into LMS

London, Midland and Scottish Railway

The London Midland and Scottish Railway was a British railway company. It was formed on 1 January 1923 under the Railways Act of 1921, which required the grouping of over 120 separate railway companies into just four...

 stock in November 1934.

War Department use

The locomotive was loaned to the War Department for various periods of time during 1939-1942, which numbered it 26. It was withdrawn from LMS stock in May 1943 and sold to the War Department, which then numbered it 225 (70225 from 1944).

Post-war use

In 1947, it was sold to Hunslet, where it was stored for seven years before being hired to the National Coal Board

National Coal Board

The National Coal Board was the statutory corporation created to run the nationalised coal mining industry in the United Kingdom. Set up under the Coal Industry Nationalisation Act 1946, it took over the mines on "vesting day", 1 January 1947...

. The NCB later bought the locomotive and had it rebuilt with a Rolls-Royce

Rolls-Royce Limited

Rolls-Royce Limited was a renowned British car and, from 1914 on, aero-engine manufacturing company founded by Charles Stewart Rolls and Henry Royce on 15 March 1906 as the result of a partnership formed in 1904....

engine by Hunslet in 1960-61. It worked at a number of collieries for the NCB, but was finally withdrawn and scrapped in 1974.