Swiss Locomotive and Machine Works
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.
Contents
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 | Location | Notes |
|---|---|---|---|---|---|---|---|---|
 |
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 | Location | Notes |
|---|---|---|---|---|---|---|---|---|
| 150px | 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 | Location | Notes |
|---|---|---|---|---|---|---|---|---|
| 150px | 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 |
|---|---|---|---|---|---|---|---|---|
 |
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
- SLM Factories
- Jakob Buchli - a railway pioneer with the SLM
Gallery
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Builder's Plate of Swiss Locomotive and Machine Works Societe Suisse locomotive No 434 of 1886 0-4-4T at the Finnish Railway Museum
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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.
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NMR Locomotive 37395 at Coonor 05-02-27 21.jpeg
SLM locomotives are still at work on India on some heritage railways.
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Builder's Plate 2-6-0 Swiss Locomotive and Machine Works Societe Suisse Locomotive No 405 from 1885 at the Finnish Railway Museum
References
- ↑ http://www.irsociety.co.uk/Archives/60/Letters_60.htm
- ↑ http://5at.co.uk/index.php/modern-steam-2/modern-steam-miscellany/dlm-52-8055.html
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