Swiss Locomotive and Machine Works

(SLM 0-4-2T 2838, 1922) SLM is best known around the world for mountain railway engines.
Manitou and Pike's Peak Railway, Colorado, USA

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) were a railway equipment manufacturer based in Winterthur in Switzerland. Much of the world's mountain railway equipment was constructed by them.

History

The company was founded in 1871 by the British engineer Charles Brown.[1] SLM built both steams 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.[2] In 1998 the Cog-Railway division was sold to Stadler Rail, the Engineering division via Adtranz to Bombardier Transportation. The remaining Business was renamed as Sulzer-Winpro AG and as part of a Management Buyout in 2001 renamed in Winpro AG. The Advanced Steam division was sold in 2000 to DLM AG.[3] 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

Image Class Built Number Type SLM Number Wheel arrangement LocationNotes
Sk1 1885 124 Mixed traffic steam locomotive 405 2-6-0 Finnish Railway Museum
F1 1886 132 Passenger steam locomotive 434 0-4-4T Finnish Railway Museum “Felix”

India

Image Class Built Number Type SLM Number Wheel arrangement LocationNotes
WCG1
khekda (crab) 		1928 4502, Sir Leslie Wilson 1,500V DC, 650 hp
Electric goods locomotive 		C-C National Rail Museum,
New Delhi 		10 built by SLM
31 similar built by Vulcan Foundry [4]

Switzerland

Image Class Built Number Type SLM Number Wheel arrangement LocationNotes
1902 5 Narrow gauge steam locomotive 1440 0-6-0T Waldenburg railway Built for the Waldenburg railway; gauge 750 mm (2 ft 5 1⁄2 in); named Gedeon Thommen[5]
1912 6 Narrow gauge steam locomotive 2276 0-6-0T Swiss Museum of Transport Built for the Waldenburg railway; gauge 750 mm (2 ft 5 1⁄2 in); named Waldenburg[5]

United Kingdom

Image Class Built Number Type SLM Number Wheel arrangement LocationNotes
1895 2 Mountain railway rack steam locomotive 924 0-4-2T Snowdon Mountain Railway “Enid”
1895 3 Mountain railway rack steam locomotive 925 0-4-2T Snowdon Mountain Railway “Wyddfa”
1896 4 Mountain railway rack steam locomotive 988 0-4-2T Snowdon Mountain Railway “Snowdon”
1896 5 Mountain railway rack steam locomotive 989 0-4-2T Snowdon Mountain Railway “Moel Siabod”
1922 6 Mountain railway rack steam locomotive 2838 0-4-2T Snowdon Mountain Railway “Padarn”
1923 7 Mountain railway rack steam locomotive 2869 0-4-2T Snowdon Mountain Railway “Ralph”
1923 8 Mountain railway rack steam locomotive 2870 0-4-2T Snowdon Mountain Railway “Eryri”

See also

References

  1. ↑ http://www.irsociety.co.uk/Archives/60/Letters_60.htm
  2. ↑ http://5at.co.uk/index.php/modern-steam-2/modern-steam-miscellany/dlm-52-8055.html
  3. ↑ Dickinson, Rob. "Sulzer Winpro sells Steam Business to Hug Engineering". International Working Steam Locomotives. Retrieved 2008-03-06.
  4. ↑ Hollingsworth, Brian; Cook, Arthur (2000). "Class WCG1". Modern Locomotives. pp. 50—51. ISBN 0-86288-351-2.
  5. 1 2 "Switzerland's Waldenburgerbahn, 2010". www.internationalsteam.co.uk. Retrieved 2015-01-26.
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