page_title: Caledonian Railway 812 and 652 Classes
section_title: Belgian derivatives
hierarchical_section_title: Caledonian Railway 812 and 652 Classes / Belgian derivatives
caption_attribution_description: Photograph of British 14-inch railway gun "Boche Buster" with crew, behind its locomotive, France, 1918. Locomotive is a "McIntosh" 0-6-0 of the Belgian State Railway (État-Belge), later SNCB type 30.
context_page_description: 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 were nicknamed "Jumbos" and they could reach speeds of up to 55 miles per hour.
context_section_description: Belgian State Railways (SNCB-NMBS) derived three series of steam locomotives (891 units) from the class 812 between 1899 and 1914. They had a shallower firebox, able to burn semi-bituminous coal and briquettes, allowing a shorter wheelbase due to its positioning above the rear axle. There were three classes
  Type 30 – first variant with several details in common with the Caledonian engines (cab windows, gauges and tender coupling). 82 built between 1899 and 1901.
  Type 32 (later renamed Type 44) – more powerful and fitted with a Belgian cab, higher steam pressure, new gauges and tender coupling. 502 built between 1901 and 1910
  Type 32S (later renamed Type 41) – same features but improved with a Schmidt superheater. 307 built between 1905 and 1914
  Until 1909, they were the only new engines used with freight trains. They were also used on suburban and local passenger trains and some expresses on hilly sections.
  Most of them were retired between 1947 and 1959. Some of them were then used as stationary boilers and two of them (44.221 and 41.195) survive in museums. A third one (44.021), kept as a parts donor, was cut up for scrap in 2002.
caption: A Type 30 engine used by the Railway Operating Division
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