From Wikipedia, the free encyclopedia
| NSB Class XXI |
| Numbers |
3, 4, 6 |
| Builder |
Dübs & Co. & Thunes Mekaniske Værksted |
| Introduced |
1894-1902 |
| Wheel Arrangement |
2-4-2 (1-B-1) |
| Weight |
17 t 3 cwt |
17.4 tonnes |
| Length |
26 ft 0 in |
7.9 m |
| Wheel Dia. |
3 ft 9 in |
114.6 cm |
| Minimum radius |
330 ft |
100 m |
| Maximum speed |
34 mph |
55 km/h |
| Cylinders |
Two |
| Cylinder Dia. |
11 in |
279 mm |
| Cylinder Stroke |
1 ft 6 in |
457 mm |
| Heating Surface |
362.7 sq ft |
33.7 m² |
| Grate Surface |
7.5 sq ft |
0.7 m² |
| Boiler pressure |
145 psi |
10.0 bar |
| Brake type |
Handbrake; Carpenter from 1900 |
| Water Tank |
460 imperial gal |
1800 litres |
| Coal Capacity |
1760 lbs |
800 kg |
| Heating Type |
None |
NSB Class XXII is a steam locomotive class designed by the Norwegian State Railways exclusively for use on the Setesdalsbanen.
