Editing NSB Class XXII (section)

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{{Infobox locomotive
| name             = NSB Class XXII
| powertype        = Steam
| image            = Setesdalsbanen 9mai2004.JPG
| alt              = 
| caption          = Class XXII in front of a [[NSB Class XXI|Class XXI]]
| designer         = 
| builder          = [[Dübs and Company|Dübs & Co.]] (2), [[Thune (company)|Thunes Mekaniske Værksted]] (1){{sfn|Cranfield|2000|page=75}}
| ordernumber      = 
| serialnumber     = Dübs 3174–3175,<br>Thune 7
| buildmodel       = 
| builddate        = 1895 (2), 1902 (1){{sfn|Cranfield|2000|page=75}}
| totalproduction  = 3
| rebuilder        = 
| rebuilddate      = 
| numberrebuilt    = 
| whytetype        = [[2-4-2]]T
| uicclass         = 1′B1′ n2t
| gauge            = {{track gauge|1067mm|lk=on}}
| leadingdiameter  = 
| driverdiameter   = {{Convert|1143|mm|in|abbr=on}}
| trailingdiameter = 
| minimumcurve     = {{Convert|100|m|ft|abbr=on}}
| wheelbase        = 
| length           = {{Convert|7900|mm|ft|abbr=on}}
| width            = 
| height           = 
| axleload         = 
| weightondrivers  = 12 t
| locoweight       = {{Convert|17.4|t|ST LT|1}}
| tenderweight     = 
| locotenderweight = 
| tendertype       = 
| fueltype         = [[Coal]]
| fuelcap          = {{Convert|800|kg|lb|sigfig=3|abbr=on}}
| watercap         = {{Convert|1800|L|impgal usgal|abbr=on}}
| tendercap        = 
| sandcap          = 
| boiler           = 
| boilerpressure   = {{Convert|145|psi|kPa|0|order=flip|abbr=on}}
| feedwaterheater  = 
| firearea         = {{Convert|7.5|sqft|m2|order=flip|abbr=on}}
| tubearea         = 
| fluearea         = 
| tubesandflues    = 
| fireboxarea      = 
| totalsurface     = {{Convert|62.7|sqft|m2|order=flip|abbr=on}}
| superheatertype  = 
| superheaterarea  = 
| cylindercount    = Two, outside
| cylindersize     = {{Convert|279|x|457|mm|in|abbr=on}}
| frontcylindersize= 
| rearcylindersize = 
| hpcylindersize   = 
| lpcylindersize   = 
| valvegear        = 
| valvetype        = 
| valvetravel      = 
| valvelap         = 
| valvelead        = 
| transmission     = 
| maxspeed         = {{Convert|55|km/h|mph|abbr=on}}
| poweroutput      = 
| tractiveeffort   = 
| factorofadhesion = 
| trainheating     = 
| locobrakes       = [[Hand brake]]; [[Carpenter brake]] from 1900
| locobrakeforce   = 
| trainbrakes      = 
| safety           = 
| operator         = [[Norwegian State Railways (1883–1996)|Norwegian State Railways]]
| operatorclass    = 
| powerclass       = 
| numinclass       = 
| fleetnumbers     = 3, 4, 6
| officialname     = 
| nicknames        = 
| axleloadclass    = 
| locale           = [[Setesdal Line]]
| deliverydate     = 
| firstrundate     = 
| lastrundate      = 
| retiredate       = 
| withdrawndate    = 
| preservedunits   = 
| restoredate      = 
| scrapdate        = 
| currentowner     = 
| disposition      = 
| notes            = References: {{sfn|Cranfield|2000|page=78}}{{Additional citations needed|date=May 2025}} (unless where noted)
}}
'''NSB Class XXII''' is a [[steam locomotive]] class designed by the [[Norwegian State Railways (1883–1996)|Norwegian State Railways]]  exclusively for use on the [[Setesdal Line]].