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German Federal Railway class 23

The last built 23 105 in July 1985 in Amberg with the original lettering

After the war, both German railways developed a new steam locomotive from the prototypes of the advanced class 23 of 1941 in order to supplement their fleets, which had been decimated by the war, and to be able to rep...

German Federal Railway class 23Remove
Variant Standard
Built 1950-1959
Manufacturers Henschel;Jung;Krupp;Esslingen
Wheel arrangement 1C1
Gauge 1435 mm
Length 21325 mm
Service mass 82800 kg
Top speed 110 km/h
Power
Engine

General

Property German Federal Railway class 23
Standard
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Built 1950-1959
Manufacturers Henschel, Jung, Krupp, Esslingen
Wheel arrangement 2-6-2 (Prairie)
Gauge 1,435 mm

Dimensions and weights

Property German Federal Railway class 23
Standard
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Length 21.33 m
Wheelbase 9.90 m
Empty mass 74.6 t
Service mass 82.8 t
Adhesion mass 56 t
Total mass 144.8 t
Rigid wheelbase 2.00 m
Axle load 18.9 t
Water capacity 31,000 l
Fuel capacity 8 t (coal)

Boiler

Property German Federal Railway class 23
Standard
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Grate area 3.11 m²
Firebox surface 17.1 m²
Tube heating surface 139.18 m²
Evaporative heating surface 156.28 m²
Superheater surface 73.8 m²
Total heating surface 230.1 m²

Power plant

Property German Federal Railway class 23
Standard
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Driver diameter 1,750 mm
Boiler pressure 16 bar
Expansion type simple expansion
Cylinders two, 550 x 660 mm

Power

Property German Federal Railway class 23
Standard
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Power source steam
Indicated power 1,325 kW (1,801 PS)
Top speed 110 km/h
Starting effort 155.2 kN

Calculated values

Property German Federal Railway class 23
Standard
Remove
Factor of adhesion 1 : 3.54
Optimal speed 51 km/h
Power-to-weight ratio 16.0 kW/t
Heating Surface Equivalent 389.4 m²
Cylinder volume/HSE 1 : 805.41
Adhesive weight/Total 1 : 1.48
Tractive force/Heating surface 1 : 14.08
Grate area/Heating surface 1 : 73.98
Firebox/Tube surface 1 : 8.14
Total/Superheater 1 : 2.12
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