Metropolitan railway class H

The Metropolitan Railway Class H was a group comprising of four steam locomotives which where constructed in 1920 by Kerr Stuart and Company in Stoke on Trent. These where a notable addition to the Metropolitan Railway fleet, serving the mainline as passenger express trains between Rickmansworth today (Harrow then) and the change over point for Aylesbury or Verney Junction, the locomotives cost £11,575 each.

Designed by the Metropolitan Locomotive and Chief Electrical Engineer, Charles Jones, these had a maximum hauling capacity of 250 long tons and negotiate curves of up to 91m (300ft) radius. These were delivered between October 1920 and June 1921, enabling the retirement of the Metropolitan Railway Class C and Metropolitan Railway Class D locomotives, these were considered to be good engines and removed six minutes from the running times during their lives being worked as Metropolitan Railway express trains. The Metropolitan Railway numbered the locomotives 103 - 110.

The transfer of steam services from the London Transport Passenger Board (LTPB) to London and North Eastern Railway (LNER) in 1937, the eight locomotives were included to work the same trains, being renumbered 6415 - 6422 by the London and North Eastern Railway (LNER) and reclassifying them as H2 stock. During the 1940s the locomotives were transferred to Nottingham to work over the former Great Central Railway, these were withdrawn between 1942 and 1947 and where all scrapped.