Swiss Locomotive and Machine Works (German Schweizerische Lokomotiv- und Maschinenfabrik; French Société Suisse pour la Construction de Locomotives et de Machines; or for both, SLM) was a railway equipment manufacturer based in Winterthur in Switzerland. Much of the world's mountain railway equipment was constructed by the company. History The company was founded in 1871 by the British engineer Charles Brown. SLM built both steam and electric locomotives, including the crocodile type. From 1992, SLM returned to producing steam locomotives designed around advanced steam technology principles. This included rebuilding DR Class 52.80 locomotive number 52 8055. In 1998 the cog-railway division was sold to Stadler Rail, and the engineering division, via Adtranz, to Bombardier Transportation. The remaining business was renamed Sulzer-Winpro AG and as part of a management buyout in 2001, was renamed Winpro AG. The advanced steam division was sold in 2000 to Dampflokomotiv- und Maschinenfabrik AG (Steam Locomotive and Machine Works Ltd), or DLM AG. In October 2001 the measurement division was sold to PROSE AG. Winpro AG was sold on 7 September 2005 to Stadler Rail. Preserved SLM Locomotives Finland France India Switzerland United Kingdom Indonesia See also SLM factories Jakob Buchli - a railway pioneer with the SLM Gallery References Companies based in Winterthur Cultural property of national significance in the canton of Zürich Locomotive manufacturers of Switzerland Swiss companies established in 1871 Manufacturing companies established in 1871