London Underground M and N Stock

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M and N Stock
Ltmd-Q35-interior-03.jpg
Interior of N/Q35 Stock at London Transport Museum Acton Depot
Manufacturer BRC&W (M Stock) and Metro-Cammell (N Stock)
In service 1935–1971
Length per car 50 ft (15.24 m)
Width 8 ft 11 516 in (2.726 m)
Height 12 ft 3 12 in (3.747 m)
Weight DM 34.03 long tons (34.58 t; 38.11 short tons)
T 23.82 long tons (24.20 t; 26.68 short tons)
Seating 42
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The London Underground M Stock and N Stock were similar designs of rolling stock built in 1935. As the new cars were urgently required they were based on existing designs (K Stock and L Stock). Several years after construction both types were absorbed into the Q Stock. The last of these trains were withdrawn in 1971.

London Underground M Stock[edit]

London Underground M Stock was a clerestory-roofed rail stock built for the Hammersmith and City Line in 1935 and subsequently absorbed into the London Underground Q Stock, being redesignated Q35 Stock. The M Stock was based on the 1927 K stock. Twenty-eight cars were built in 1935 by Birmingham Railway Carriage and Wagon Company: fourteen were driving motor cars and the rest were trailers. All the driving motor cars were converted to trailers between 1947 and 1955.

The M Stock was the first surface stock to be delivered with air-operated doors.

Upon conversion to Q Stock, all the cars were transferred to the District Line (with the Hammersmith and City Line services being operated from 1938 onwards by new trains of O Stock).

London Underground N Stock[edit]

London Underground N Stock was a type of clerestory-roofed stock built in 1935 and subsequently absorbed into the London Underground Q Stock, being redesignated Q35 Stock. The N Stock was based on the 1927 K Stock. Twenty-six cars, all trailers, were built in 1935 by Metropolitan Cammell.