DR Class 22
Encyclopedia
The steam locomotive
Steam locomotive
A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

s of DR Class 22 were reconstructed passenger train locomotives in service with the Deutsche Reichsbahn in East Germany after the Second World War.

These engines were rebuilt from DRG Class 39.0-2
Prussian P 10
The Prussian state railways' Class P 10 were 2-8-2 "Mikado" type passenger-hauling steam locomotives built for hauling heavy express trains in the hilly and mountainous terrain of the Mittelgebirge...

 locomotives and appeared between 1958 and 1962 as part of the reconstruction programme. The latter had a significant problem: the boiler
Boiler
A boiler is a closed vessel in which water or other fluid is heated. The heated or vaporized fluid exits the boiler for use in various processes or heating applications.-Materials:...

 did not generate enough steam and the steam pipes were too winding, which considerably reduced the maximum power of the engine. A total of 85 examples were equipped with a new combustion-chambered boiler with an IfS mixer-preheater. The locomotive frame
Locomotive frame
A locomotive frame is the structure that forms the backbone of the railway locomotive, giving it strength and supporting the superstructure elements such as a cab, boiler or bodywork. The vast majority of locomotives have had a frame structure of some kind...

 had to be extended to accommodate the new engine. The wider outer firebox meant that the driver's cab needed a modified rear wall. The locomotives were given operating numbers 22 001–085 and were mainly homed in the Reichsbahn divisions of Dresden
Dresden
Dresden is the capital city of the Free State of Saxony in Germany. It is situated in a valley on the River Elbe, near the Czech border. The Dresden conurbation is part of the Saxon Triangle metropolitan area....

 and Erfurt
Erfurt
Erfurt is the capital city of Thuringia and the main city nearest to the geographical centre of Germany, located 100 km SW of Leipzig, 150 km N of Nuremberg and 180 km SE of Hannover. Erfurt Airport can be reached by plane via Munich. It lies in the southern part of the Thuringian...

.

The DR employed the locomotives on heavy express train duties in the schedules for the DRG Class 01
DRG Class 01
The Deutsche Reichsbahn-Gesellschaft's BR 01 steam locomotives were the first standardised steam express passenger locomotives built by the unified German railway system. They were of 4-6-2 "Pacific" wheel arrangement in the Whyte notation, or 2′C1′ h2 in the UIC classification. The idea of...

, which led to overloading of the original components (frame cracks, piston damage). As a result, early retirement followed.
In 1968, 50 of the 85 Reko boilers from the Class 22 were used for the reconstruction of the DRG Class 03
DRG Class 03
The Class 03 steam engines were standard express train locomotives in service with the Deutsche Reichsbahn.- History :...

.

In 1970 the engines were allocated to Class 39 under the DR's new computerised numbering scheme. However in 1970 only a few machines were still working, at Halberstadt
Halberstadt
Halberstadt is a town in the German state of Saxony-Anhalt and the capital of the district of Harz. It is located on the German Half-Timbered House Road and the Magdeburg–Thale railway....

 and Saalfeld. In 1971 the last one was withdrawn. Up to the early 1990s, nine engines were used as steam generators.

The vehicles were equipped with 2'2' T 32 or 2'2' T 34 tenders.

Literature

  • R. Heinrich/H. Schnabel: Die Baureihe 22 EK-Verlag, Freiburg 2001, ISBN 978-3-88255-122-8

See also


External links

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