The Saxon Class IX

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was a class of German, eight-coupled, tender locomotives built for the

Royal Saxon State Railways The Royal Saxon State Railways (german: Königlich Sächsische Staatseisenbahnen) were the state-owned railways operating in the Kingdom of Saxony from 1869 to 1918. From 1918 until their merger into the Deutsche Reichsbahn the title 'Royal' was d ...

(''Königlich Sächsische Staatseisenbahnen'') for

goods train Rail freight transport is the use of railroads and trains to transport cargo as opposed to human passengers. A freight train, cargo train, or goods train is a group of freight cars (US) or goods wagons (International Union of Railways) hauled ...

duties.

History

These

steam locomotives A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, oil or, rarely, wood) to heat water in the locomot ...

were brought into service, after it was clear that the Saxon Class I V (later DRG Class 55) could no longer the demands placed on it. The locomotive had a hollow,

Klien-Lindner axle The Klien-Lindner axle (German: ''Klien-Lindner-Hohlachse'') is a special type of hollow driving axle on steam locomotives that enable better curve running due to its ability to slide transversely. It was developed by the German engineers, Ewald K ...

at the back and, initially, a long steam collection pipe above the centre of the

boiler A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, central h ...

which was replaced on later models by two

steam domes The steam dome is a vessel fitted to the top of the boiler of a steam engine. It contains the opening to the main steam pipe and its purpose is to allow this opening to be kept well above the water level in the boiler. This arrangement acts as a ...

and a connecting pipe. Twenty machines were delivered by the firm of Hartmann as wet steam engines, a further 30 with a ''Schmidt'' smoke tube

superheater A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam. Superheated steam is used in steam turbines for electricity generation, steam engines, and in processes such as steam reforming. There ar ...

. The Deutsche Reichsbahn took over 16 of the first series and gave them the running numbers 56 501–56 516. Of the second batch, 25 were taken on with numbers 56 601–56 625. The vehicle were coupled with tenders of Saxon classes sä 3 T 9, sä 3 T 12 or sä 3 T 13.

References

* * 2-8-0 locomotives 09 V Sächsische Maschinenfabrik locomotives 1′D n2v locomotives {{Germany-rail-transport-stub Freight locomotives

History

See also

References