DR Class 23.10

DR Class 23.10
DR Class 23.10 (35.10)
35 1113
Number(s): 23 1001–1113
Quantity: 113
Year(s) of manufacture: 1955–1959
Retired: 1991
Wheel arrangement: 2-6-2
Axle arrangement: 1'C1' h2
Type: P 35.18
Gauge: 1,435 mm
Length over buffers: 22,660 mm
Service weight: 87.2 t
Axle load: 18.3 t
Top speed: 110/50 km/h
Indicated Power: 1,250 kW
Driving wheel diameter: 1,750 mm
Leading wheel diameter: 1,000 mm
Trailing wheel diameter: 1,250 mm
No. of cylinders: 2
Cylinder bore: 550 mm
Piston stroke: 660 mm
Boiler Overpressure: 16 bar
Grate area: 3.71 m
Superheater area: 68.50 m²
Evaporative heating area: 159.60 m²

The steam locomotives of DR Class 23.10, (from 1 June 1970 Class 35.10) were passenger train engines built for the Deutsche Reichsbahn in East Germany after the Second World War.

Contents

History

35 1097-1 in Dresden in 1999

The Class 23.10 was an evolutionary development by the DR of the DRG Class 23 standard locomotives or Einheitsdampflokomotiven built earlier by the Deutsche Reichsbahn-Gesellschaft. Only two of the latter were completed due to the onset of the war. The same dimensions were used for the driving and running gear, but the locomotives were given IfS/DR mixer-preheaters, boilers equipped with combustion chambers and a large driver's cab. The feedwater dome was omitted from locomotives numbered 23 1003 and later. The first of 113 units was deployed in 1955, and they were used for light to medium express train services, being allocated numbers 23 1001–1113.

On the introduction of EDP numbering from 1 January 1970 the locomotives were all renumbered to 35 1001–1113.

The last engines were retired from Nossen in May 1977, number 35 1113 however had to be reactivated due to the energy crisis and continued in service until 1985.

The locomotives were equipped with tenders of Class 2'2' T 28.

Preserved locomotives

Remaining locomotives of this class today include:

  • 35 1019 Lausitzer Dampflokclub Cottbus, operational
  • 35 1021 Eisenbahn & Technik Museum Rügen, Prora
  • 35 1028 in pieces, Röbel/Müritz
  • 35 1074 in pieces, Görlitz
  • 35 1097 privat, bei IG 58 3047 Glauchau, operational
  • 35 1113 DB Museum, stored at IG Dampflok Nossen

Literature

J.-U. Ebel/A. Stange/D. Schlegel "Die Baureihe 23.10" (2003) EK-Verlag, Freiburg ISBN 978-3-88255-123-5

See also

External links

v · d · eClasses of German steam locomotives
Deutsche Bundesbahn (DB) Neubaulok classes
10  · 23  · 65  · 66  · 82
 DR logo
Deutsche Bundesbahn (DB) Umbaulok (rebuild) classes
Deutsche Reichsbahn (DR) Neubaulok classes
23.10  · 25.10  · 50.40  · 65.10  · 83.10  · 99.23-24  · 99.77-79
Deutsche Reichsbahn (DR) Rekolok classes
01.5  · 03.10 Reko  · 22  · 41 Reko  · 50.35-37  · 52.80  · 58.30
Deutsche Reichsbahn-Gesellschaft (DRG) classes

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