The Finnish Steam Locomotive Class B1 is an 0-4-2ST built by Beyer, Peacock & Company, at its Gorton Foundry in Manchester, England. Nine were constructed between 1868 and 1890. They were designed for use as shunting locomotives.
Number 9 is Finland's oldest preserved locomotive and is preserved at the Finnish Railway Museum.[1] The B1 was nicknamed “Ram”.[2] They were numbered 9–10, 53–56, 150–151.[2] B1 locomotives were withdrawn in the 1920s. The last was withdrawn in 1928.[1]