| NSB Class XXI | 
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 NSB locomotive class XXI number 1 photographed at Dübs & Co. Locomotive Works before delivery to the  Setesdal Line. Photograph by Dübs & Co., 1894.   | 
| Type and origin | 
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 | Power type | Steam | 
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 | Builder | Dübs & Co. (2) Thunes Mekaniske Værksted (1), Hamar Jernstøberi (1) | 
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 | Serial number | Dübs 3172–3173, Thune 4, Hamar 77 | 
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 | Build date | 1894 (2), 1901 (1) 1912 (1) | 
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 | Total produced | 4 | 
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| Performance figures | 
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 | Maximum speed | 40 km/h (25 mph) | 
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 NSB Class XXI is a steam locomotive class designed by the Norwegian State Railways exclusively for use on the Setesdal Line.[1] 
 References
  External links
 - Entry at Norwegian Railway Club
 
 
Heritage locomotive on the Setesdal Line  Rolling stock of Norway  | 
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| Locomotives |  | 
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| Multiple units |  | 
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| Cars |  | 
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