NSB Class XXI
Type and originPower typeSteamBuilderDübs & Co. (2) Thunes Mekaniske Værksted (1), Hamar Jernstøberi (1)Serial numberDübs 3172–3173, Thune 4, Hamar 77Build date1894 (2), 1901 (1) 1912 (1)Total produced4
Type and origin
Power typeSteam
BuilderDübs & Co. (2) Thunes Mekaniske Værksted (1), Hamar Jernstøberi (1) Serial numberDübs 3172–3173, Thune 4, Hamar 77
Build date1894 (2), 1901 (1) 1912 (1)
Total produced4
SpecificationsConfiguration:• Whyte2-6-2T• UIC1′C1′t n2Gauge1,067 mm (3 ft 6 in)Driver dia.914 mm (36.0 in)Minimum curve100 m (330 ft)Length8,300 mm (27.2 ft)Adhesive weight14.7 tLoco weight18.7 tFuel typeCoalFuel capacity800 kg (1,800 lb)Water cap.2.1 tFirebox:• Grate area0.7 m2 (7.5 sq ft)Boiler pressure1.00 MPa (145 psi)Heating surface37.87 m2 (407.6 sq ft)CylindersTwo, outsideCylinder size279.4 mm × 457.2 mm (11 in × 18 in) or 292.1 mm × 457.2 mm (11.5 in × 18 in)Loco brakeHand brake, Carpenter brake from 1900
Specifications
Configuration
• UIC1′C1′t n2
Gauge1,067 mm (3 ft 6 in) Driver dia.914 mm (36.0 in)
Minimum curve100 m (330 ft)
Length8,300 mm (27.2 ft)
Adhesive weight14.7 t
Loco weight18.7 t
Fuel capacity800 kg (1,800 lb)
Water cap.2.1 t
Firebox
• Grate area0.7 m2 (7.5 sq ft)
Boiler pressure1.00 MPa (145 psi) Heating surface37.87 m2 (407.6 sq ft)
CylindersTwo, outside
Cylinder size279.4 mm × 457.2 mm (11 in × 18 in) or 292.1 mm × 457.2 mm (11.5 in × 18 in)
Performance figuresMaximum speed40 km/h (25 mph)
Performance figures
Maximum speed40 km/h (25 mph)
CareerOperatorsNorwegian State RailwaysNumbers1, 2, 5, 7LocaleSetesdal Line
Career
Numbers1, 2, 5, 7
