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2026-08-14T14:42:12Z
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NSB Class XXI
2025-05-17T15:31:50Z
<p>2604:3D09:96F:B800:69BC:B731:2D2C:3E23: /* External links */ Adding categories</p>
<hr />
<div>{{Infobox locomotive<br />
| name = NSB Class XXI<br />
| powertype = Steam<br />
| image = XXI-1.jpg<br />
| alt = <br />
| caption = [[Norwegian State Railways (1883–1996)|NSB]] locomotive class XXI number 1 photographed at Dübs & Co. Locomotive Works before delivery to the [[Setesdal Line]].<br/>Photograph by Dübs & Co., 1894.<br />
| designer = <br />
| builder = [[Dübs and Company|Dübs & Co.]] (2)<br>[[Thune (company)|Thunes Mekaniske Værksted]] (1),<br>[[Hamar Jernstøberi]] (1)<br />
| ordernumber = <br />
| serialnumber = Dübs 3172–3173,<br>Thune 4,<br>Hamar 77<br />
| buildmodel = <br />
| builddate = 1894 (2), 1901 (1) 1912 (1)<br />
| totalproduction = 4<br />
| whytetype = [[2-6-2|2-6-2T]]<br />
| uicclass = 1′C1′t n2<br />
| gauge = {{track gauge|1067mm|lk=on}}<br />
| leadingdiameter = <br />
| driverdiameter = {{Convert|914|mm|in|abbr=on}}<br />
| trailingdiameter = <br />
| minimumcurve = {{convert|100|m|ft|abbr=on}}<br />
| wheelbase = <br />
| length = {{convert|8300|mm|ft|abbr=on}}<br />
| width = <br />
| height = <br />
| axleload = <br />
| weightondrivers = 14.7 t<br />
| locoweight = 18.7 t<br />
| fueltype = [[Coal]]<br />
| fuelcap = {{convert|800|kg|lb||abbr=on}}<br />
| watercap = 2.1 t<br />
| tendercap = <br />
| sandcap = <br />
| boiler = <br />
| boilerpressure = {{Convert|145|psi|MPa|abbr=on|order=flip|lk=on}}<br />
| feedwaterheater = <br />
| firearea = {{convert|0.7|m2|sqft|abbr=on}}<br />
| tubearea = <br />
| fluearea = <br />
| tubesandflues = <br />
| fireboxarea = <br />
| totalsurface = {{convert|407.6|sqft|m2|2|order=flip|abbr=on}}<br />
| superheatertype = <br />
| cylindercount = Two, outside<br />
| cylindersize = {{convert|11|x|18|in|mm|1|order=flip|abbr=on}}<br> or {{convert|11.5|x|18|in|mm|1|order=flip|abbr=on}}<br />
| valvegear = <br />
| valvetype = <br />
| valvetravel = <br />
| valvelap = <br />
| valvelead = <br />
| transmission = <br />
| maxspeed = {{Convert|40|km/h|mph|abbr=on}}<br />
| poweroutput = <br />
| tractiveeffort = <br />
| factorofadhesion = <br />
| trainheating = <br />
| locobrakes = [[Emergency brake (train)|Hand brake]], [[Carpenter brake]] from 1900<br />
| locobrakeforce = <br />
| trainbrakes = <br />
| safety = <br />
| operator = [[Norwegian State Railways (1883–1996)|Norwegian State Railways]]<br />
| operatorclass = <br />
| powerclass = <br />
| numinclass = <br />
| fleetnumbers = 1, 2, 5, 7<br />
| officialname = <br />
| nicknames = <br />
| axleloadclass = <br />
| locale = [[Setesdal Line]]<br />
| deliverydate = <br />
| firstrundate = <br />
| lastrundate = <br />
| retiredate = <br />
| withdrawndate = <br />
| preservedunits = <br />
| restoredate = <br />
| scrapdate = <br />
| currentowner = <br />
| disposition = <br />
| notes =<br />
}}{{One source|date=February 2024}}<br />
'''NSB Class XXI''' is a [[Locomotive#Steam|steam locomotive]] class designed by the [[Norwegian State Railways (1883–1996)|Norwegian State Railways]] exclusively for use on the [[Setesdal Line]].<ref>{{Cite book |last=Cranfield |first=John |url=https://books.google.com/books?id=stoeAQAAIAAJ&q=NSB+Class+XXI+-wikipedia |title=The Railways of Norway: Their History and Development |date=2000 |publisher=J. Cranfield |isbn=978-0-904071-04-7 |language=en}}</ref><br />
<br />
== References ==<br />
{{Reflist}}<br />
<br />
==External links==<br />
* [http://forsk.njk.no/mdb/mdb.php?hid=235&bid=&did=&aut=&eng=1 Entry] at Norwegian Railway Club<br />
<br />
[[File:Lok på Setesdalsbanen. Foto T Lunde (8632976429).jpg|thumb|left|Heritage locomotive on the Setesdal Line]]<br />
<br />
{{commons category|NSB type XXI}}<br />
{{NSB stock}}{{Train-stub}}{{DEFAULTSORT:Nsb Class N21}}<br />
[[Category:2-6-2T locomotives]]<br />
[[Category:1′C1′ n2t locomotives]]<br />
[[Category:Norwegian State Railways (1883–1996) locomotives|Class N21]]<br />
[[Category:Dübs locomotives]]<br />
[[Category:Thune locomotives]]<br />
[[Category:Steam locomotives of Norway]]<br />
[[Category:Railway locomotives introduced in 1894]]<br />
[[Category:3 ft 6 in gauge locomotives]]</div>
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