NSB Class XXII is a steam locomotive class designed by the Norwegian State Railways exclusively for use on the Setesdal Line.

NSB Class XXII
Class XXII in front of a Class XXI
Type and origin
Power typeSteam
BuilderDübs & Co. (2), Thunes Mekaniske Værksted (1)
Serial numberDübs 3174–3175,
Thune 7
Build date1894 (2), 1902 (1)
Total produced3
Specifications
Configuration:
 • Whyte2-4-2T
 • UIC1′B1′ n2t
Gauge1,067 mm (3 ft 6 in)
Driver dia.1,143 mm (45.0 in)
Minimum curve100 m (330 ft)
Length7,900 mm (25.9 ft)
Adhesive weight12 t
Loco weight17.4 tonnes (19.2 short tons; 17.1 long tons)
Fuel typeCoal
Fuel capacity800 kg (1,760 lb)
Water cap.1,800 L (400 imp gal; 480 US gal)
Firebox:
 • Grate area0.70 m2 (7.5 sq ft)
Boiler pressure1,000 kPa (145 psi)
Heating surface5.83 m2 (62.7 sq ft)
CylindersTwo, outside
Cylinder size279 mm × 457 mm (11.0 in × 18.0 in)
Loco brakeHand brake; Carpenter brake from 1900
Performance figures
Maximum speed55 km/h (34 mph)
Career
OperatorsNorwegian State Railways
Numbers3, 4, 6
LocaleSetesdal Line
edit
  • Entry at Norwegian Railway Club