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German Federal Railway class 23
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...
General
| Property | German Federal Railway class 23Remove |
|---|---|
| Built | 1950-1959 |
| Manufacturers | Henschel, Jung, Krupp, Esslingen |
| Wheel arrangement | 2-6-2 (Prairie) |
| Gauge | 1,435 mm (Standard gauge) |
Dimensions and weights
| Property | German Federal Railway class 23Remove |
|---|---|
| Length | 21.33 m |
| Wheelbase | 9.90 m |
| Rigid wheelbase | 2.00 m |
| Empty weight | 74.6 t |
| Service weight | 82.8 t |
| Adhesive weight | 56 t |
| Axle load | 18.9 t |
| Total weight | 144.8 t |
| Water capacity | 31,000 l |
| Fuel capacity | 8 t (coal) |
Boiler
| Property | German Federal Railway class 23Remove |
|---|---|
| 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 23Remove |
|---|---|
| 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 23Remove |
|---|---|
| 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 23Remove |
|---|---|
| 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 |
