London Underground M Stock

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M Stock
Manufacturer BRC&W
In Service 1935-1971
Length per car 50'
Width 8' 11 5/16"
Height 12' 3 1/2"
Weight DM 34.03 tons
T 23.82 tons
Seating 42

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.