Aktiengesellschaft für Lokomotivbau Hohenzollern
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Limited company (Aktiengesellschaft) |
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| Industry | Mechanical engineering and plant manufacturing |
| Founded | 8 June 1872 |
| Defunct | November 1929 |
| Headquarters | Düsseldorf-Grafenberg |
The Hohenzollern Locomotive Works (Aktiengesellschaft für Lokomotivbau Hohenzollern) was a German locomotive-building company which operated from 1872 to 1929. The Hohenzollern works was a manufacturer of standard gauge engines and about 400 fireless locomotives as well as diesel locomotives of various rail gauges.
The company was founded on 8 June 1872 in Grafenberg near Düsseldorf. The firm produced around 4,600 locomotives. After the increasingly critical situation in the German locomotive building industry around 1929 the works was closed in November 1929. The Hohenzollern AG had hoped in vain for follow-on orders for the DRG Class 80 from the Deutsche Reichsbahn-Gesellschaft (DRG).
Locomotive number 80 030 in the Bochum-Dahlhausen Railway Museum was one of the last that had been built by the Lokomotivbau Hohenzollern and is preserved today in photograph-grey livery. The last locomotives had left the factory in September 1929; it was then immediately torn down.
Hohenzollern built a large number of fireless locomotives, including some articulated fireless locomotives with a cab at each end. Hohenzollern's fireless locomotives were unusual in having inside cylinders. The German for fireless steam locomotive is Dampfspeicherlokomotive, meaning steam storage locomotive.
Each locomotive had two 2-axle bogies. On no. 1685 only one axle was powered but, on the others, two axles were powered. For an explanation of wheel arrangements see: AAR wheel arrangement. Nos. 1685 and 2107 (which were designed for use in mines) had air-cooled condensers to condense the exhaust steam.
Hohenzollern supplied a 1,200 horsepower (890 kW) diesel-mechanical locomotive to the Russian State Railways in the 1920s. This had a constant-mesh gearbox with an individual electromagnetic clutch to engage each gear.
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