Swiss Locomotive and Machine Works

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(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) 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.[1] 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.[2]

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.[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 Location Notes
Finland SocieteSuisse1.JPG Sk1 1885 124 Mixed traffic steam locomotive 405 2-6-0 Finnish Railway Museum
Forney044.jpg F1 1886 132 Passenger steam locomotive 434 0-4-4T Finnish Railway Museum “Felix”

France[]

Image Class Built Number Type SLM Number Wheel arrangement Location Notes
CFCM No 6.jpg 1923 6 Mountain railway rack steam locomotive 2-4-2T Chamonix Last of 6 built for Chemin de fer du Montenvers
Tramways du Mont-Blanc (France) (4504846404).jpg 1909 3 Mlle d'Angeville Mountain railway rack steam locomotive 1990 0-4-0T Saint-Gervais-les-Bains One of five built for the Mont Blanc Tramway
1909 4 Jules Jansen Mountain railway rack steam locomotive 1991 0-4-0T Saint-Gervais-les-Bains One of five built for the Mont Blanc Tramway

India[]

Image Class Built Number Type SLM Number Wheel arrangement Location Notes
Indian electric locomotive 4502.jpg WCG1
khekda (crab)		 1928 4502, Sir Leslie Wilson 1,500 V 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 Location Notes
090927 Liestal IMG 4913.JPG 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 Location Notes
SMR 2 at Llanberis 05-07-19 43.jpeg 1895 2 Enid Mountain railway rack steam locomotive 924 0-4-2RT Snowdon Mountain Railway
1895 3 Wyddfa Mountain railway rack steam locomotive 925 0-4-2RT Snowdon Mountain Railway
1896 4 Snowdon Mountain railway rack steam locomotive 988 0-4-2RT Snowdon Mountain Railway
1896 5 Moel Siabod Mountain railway rack steam locomotive 989 0-4-2RT Snowdon Mountain Railway
SMR 6 at Llanberis 05-07-19 04.jpeg 1922 6 Padarn Mountain railway rack steam locomotive 2838 0-4-2RT Snowdon Mountain Railway
1923 7 Ralph Sadler Mountain railway rack steam locomotive 2869 0-4-2RT Snowdon Mountain Railway
1923 8 Eryri Mountain railway rack steam locomotive 2870 0-4-2RT Snowdon Mountain Railway

Indonesia[]

Image Class Built Number Type SLM Number Wheel arrangement Location Notes
HGm4/6(BB 204) 1981-1984 Diesel Electric Bo-2-Bo PT KAI DIVRE II West Sumatera

Only at Padang and Solok

SSS100/E10 1921-1928 Steam Rack Locomotive 0-10-0RT PT KAI Previously had Staatsspoorwegen ter Sumatra's Westkust with name SSS100
ESS 3000 1924 Electric Locomotive 2-8-2 PT KAI In Batavia (now Jakarta) but this locomotive has been reduced 1970.

See also[]

Gallery[]

  • Builder's Plate of Swiss Locomotive and Machine Works Societe Suisse locomotive No 434 of 1886 0-4-4T at the Finnish Railway Museum

  • SLM built this 1050mm gauge 2-8-0 for the Hejaz Railway in 1912 and it was still at work on Palestine Railways in 1946.

  • SLM locomotives are still at work on India on some heritage railways.

  • Builder's Plate 2-6-0 Swiss Locomotive and Machine Works Societe Suisse Locomotive No 405 from 1885 at the Finnish Railway Museum

  • Electric railcars built by SLM are used in the Pilatus Railway

References[]

  1. ^ "Correspondence 60".
  2. ^ "DLM's Kriegslok 52-8055 | 5AT Advanced Steam Locomotive Project".
  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. ^ Jump up to: a b "Switzerland's Waldenburgerbahn, 2010". www.internationalsteam.co.uk. Retrieved 2015-01-26.
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