NSB type XXI
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Steam locomotive type designed by the NSB exclusively for use on the Setesdalsbanen.
Technical data
- Axle arrangement: 0-C-0
- Cylinders: 2
- Cylinder diameter: 279 mm
- Cylinder stroke: 457 mm
- Heating surface: 37.87 m²
- Grate surface: 0.7 m²
- Boiler overpressure: 10.0 kg/cm²
- Driving wheel diameter: 914 mm
- Water capacity: 2,100 kg
- Coal capacity: 800 kg
- Speed forward: 40 km/h
- Speed backward: 40 km/h
- Material weight: 18,700 kg
- Maximum cylinder traction: 2,300 kg