The Metropolitan Railway K Class consisted of six 2-6-4T steam locomotives, numbered 111 to 116.

[1] They were built by Armstrong Whitworth in 1925, using parts manufactured at the Royal Arsenal, Woolwich, to the design of the South Eastern and Chatham Railway N class 2-6-0 locomotives and part of a family of 200 or so "mogul" engines designed by Richard Maunsell.

[4] Some unusual variations included footsteps below the buffer beam and curved handrails at the front either side of the smokebox.

[2] This article relating to steam locomotives operated in England is a stub.

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