NSB Class XXI

NSB Class XXI

NSB locomotive class XXI number 1 photographed at Dübs & Co. Locomotive Works before delivery to Setesdalsbanen. Photograph by Dübs & Co., 1894.

Type and origin Power type Steam Builder Dübs & Co. (2) Thunes Mekaniske Værksted (1), Hamar Jernstøberi (1) Serial number Dübs 3172–3173, Thune 4, Hamar 77 Build date 1894 (2), 1901 (1) 1912 (1) Total produced 4

Specifications Configuration 2-6-2T UIC class 1′C1′t n2 Gauge 3 ft 6 in (1,067 mm) Driver diameter 36 in (914.4 mm) Minimum curve 330 ft (100.6 m) Length 27 ft 3 in (8.31 m) Loco weight 18.4 long tons (20.6 short tons; 18.7 t) Fuel type Coal Fuel capacity 1,760 lb (800 kg) Water cap 460 imp gal (2,100 L; 550 US gal) Firebox:  • Firegrate area 7.5 sq ft (0.70 m^2) Boiler pressure 145 psi (1.00 MPa) Heating surface 407.6 sq ft (37.87 m^2) Cylinders Two, outside Cylinder size 11 in × 18 in (279.4 mm × 457.2 mm) or 11.5 in × 18 in (292.1 mm × 457.2 mm) Loco brake Hand brake, Carpenter brake from 1900

Performance figures Maximum speed 25 mph (40 km/h)

Career Operators Norges Statsbaner Numbers 1, 2, 5, 7 Locale Setesdalsbanen

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

External links

• Entry at Norwegian Railway Club

Heritage locomotive on the Setesdal Line