Metropolitan railway class K

The Metropolitan Railway Class K was a group comprising of six steam locomotives, that were constructed by Armstrong Whitworth in 1925, with boilers that were made by Robert Stephenson and Company in Darlington. These locomotives where numbered 111 - 116 and where made to the design of the N class locomotives that were operating on the South Eastern and Chatham Railway. The trains were mostly used for heavy freight on the Metropolitan Railway and occasionally used with passenger services. These were transferred to the London and North Eastern Railway (LNER) in 1937, being renumbered 6158 - 6163 and reclassified L2. These were withdrawn between 1943 and 1948 and where all scrapped.