Caledonian Railway 812 and 652 Classes
The Caledonian Railway 812 and 652 Classes were 0-6-0 steam tender locomotives designed by John F. McIntosh for the Caledonian Railway and introduced in 1899. They had the same boiler type as the 721 “Dunalastair” Class 4-4-0s. They could reach speeds of up to 55 mph (89 km/h).
Ex-CR 812 class No. 17596, not yet renumbered, at Corkerhill Locomotive Depot on 15 August 1948.
Locomotive 828 on the Severn Valley Railway, 25 March 2012
A Type 30 engine used by the Railway Operating Division
John Farquharson McIntosh (1846-1918) was a Scottish engineer. He was Chief Mechanical Engineer of the Caledonian Railway from 1895 to 1914. He was succeeded by William Pickersgill.
John F. McIntosh
Preserved Caledonian Railway 439 Class number 419 in June 2005