The Finnish Steam Locomotive Class B1 is an 0-4-2ST built by Beyer, Peacock & Company, at its Gorton Foundry in Manchester, England.

They were designed for use as shunting locomotives.

Number 9 is Finland's oldest preserved locomotive and is preserved at the Finnish Railway Museum.

[2] B1 locomotives were withdrawn in the 1920s.

[1] Media related to VR Class B1 at Wikimedia Commons