The D Stock was built by Metropolitan Amalgamated Railway Carriage & Wagon in

Saltley Saltley is an inner-city area of Birmingham, east of the city centre. The area is part of the Washwood Heath ward, and was previously part of the Nechells ward. It is part of the Ladywood constituency in the city. History Saltley was originally ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

for the

District Railway The Metropolitan District Railway, also known as the District Railway, was a passenger railway that served London from 1868 to 1933. Established in 1864 to complete an " inner circle" of lines connecting railway termini in London, the first par ...

in 1912. A total of thirty cars were built, twenty-two were driving motor cars and eight were trailers. In 1928 the eight trailer cars were rebuilt into motor cars at Acton Works. These units were very similar to the earlier B and C Stock trains. In the 1940s the C, D and E stocks were reclassified as "H Stock" (signifying hand-operated doors), along with other pre-1938 District Line rolling stock that had not been converted to have air-operated doors. The H Stock was largely eliminated by the early 1950s, following replacement by R Stock. The remaining cars were largely confined to the

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shuttle service and were withdrawn from passenger service by the late 1950s. One continued in use for a time in grey livery as a "Stores Carrier" motor car SC637, before being finally broken up in May 1963."UndergrounD: The Journal of the London Underground Society", May 1963 page 11 No vehicles have survived into preservation.

References

Metropolitan District Railway D Train-related introductions in 1912 {{London-tube-stub