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DRG Class 85

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DRG Class 85
Type and origin
BuilderHenschel
Build date1932–1933
Total produced10
Specifications
Configuration:
 • Whyte2-10-2
Gauge1,435 mm
Leading dia.850 mm
Trailing dia.850 mm
Length:
 • Over buffers16,300 mm
Axle load20.1 t
Adhesive weight99.7 t
Service weight133.6 t
Firebox:
 • Grate area3.55 m²
Boiler pressure14 bar
Heating surface195.95 m²
Superheater:
 • Heating area72.50 m²
Cylinders3
Cylinder size600 mm
Piston stroke660 mm
Performance figures
Maximum speed80 km/h
Indicated power1,103 kW
Career
NumbersDRG 85 001–010
Retired1961

The Class 85 was a German goods train tank engine and standard locomotive (Einheitslok) with the Deutsche Reichsbahn.

History

In 1931, the DRG ordered ten locomotives from the firm of Henschel that were taken into the fleet as numbers 85 001–010. The Class 85 was intended for hauling passenger and goods trains. They were however also employed as pusher locomotives on the Höllentalbahn in the Black Forest. Thanks to this engine, the Höllental Railway could do away with rack railway operations from 1933. The running gear and the superheated system were taken from the Class 44. The boiler, with a few minor alterations, was the same as that of the Class 62. All the locomotives were stabled at the Freiburg shed. Apart from number 85 004, which was lost in the Second World War, all the engines were in operation in the Black Forest until 1961, the year the route was converted from experimental electrical operations with 20 kV/50 Hz lines to the usual Deutsche Bundesbahn standard of 15 kV/16 2/3 Hz. One engine, number 85 007, was still in service in Wuppertal until the end of the year, but they were all retired by the beginning of the next year.

Preserved Locomotives

Number 85 007 belongs to the town of Freiburg im Breisgau. It is not operational, but is maintained by the Bahn-Sozialwerk-Gruppe. The engine is housed in the former locomotive shed.

Literature

  • Scharf, Hans/Wollny, Burkhard: Die Höllentalbahn. EK Verlag, Freiburg 1987. ISBN 388255780X