NSB Class III No. 21 Alf

NSR Hamar No.21
Alf on display in 1952.
Overview -
Propulsion:	Steam
Loco Type:	Side Tank Engine
Gauge:	3 ft 6 in
History -
Name:	Alf
Livery:	NSR Lined Green
Manufacturing Details:
Builder:	Beyer, Peacock & Co.
(b/n) Builder's No.	992
Build Date:	1870
Service:
Former Operators:	Norwegian State Railways
Former Railways:	Hamar - Grundset/Trondheim Line
No.	21
Former Numbers:	4
Years in Operation:	1870 - 1923
Disposition:	Preserved: Display
Wheel Arrangement:
Whyte Notation:	2-4-0T
UIC-Classification:	1'BT n2
Axle No.	3
Cylinders:
Cylinders (Bore & Stroke):	240 mm x 381 mm
Operation:
Water Capacity:	900 L
Coal Capacity:	300 kg
Performance Statistics:
Maximum Speed:	45 km/h
Dimensions:
Total Length:	7, 189 mm
Valves & Motion:
Valve Gear:	Stephenson

Alf is a 2-4-0 side tank steam locomotive.

History

Alf was built by Beyer, Peacock and company in 1870 as builder's number 992 for the Norwegian State Railways as part of the III class originally numbered 4. It was renumbered 21 in 1880 and mainly operated on the Hamar - Trondheim line from 1905 onwards. Until 1923 when it was removed from service. Alf was preserved and is on display in the Norwegian State Railways Museum in Hamar.

Trivia

• Alf has been preserved in a way where it appears that it was preserved in operation.
• Alf is the only member of the III class to be preserved.

Bibliography

Preserved Norwegian Steam Locomotives
Norwegian State Railways	III Class	No.21 'Alf'
	IV Class	No.10 'Hugin'
	XIII Class	No.7
	XXI Class	No.1 • No.2 • No.5
	XXVI Class	No.81
	XXII Class	No.6
	XXIX Class	No.5 'Bjørkelangen' • No.6 'Høland' • No.7 'Prydz'
	XXVII Class	No.2 'Urskog'
	XXVIII Class	No.4 'Setskogen'
	2a Class	No.16 • No.17 'Caroline'
	7a Class	No.11 • No.25
	18c Class	No.255
	21b Class	No.252 • No.225
	21c Class	No.376 • No.377
	21e Class	No.207
	23b Class	No.442 • No.443
	24b Class	No.236
	25a Class	No.227
	26c Class	No.411
	27a Class	No.234
	30a Class	No.271
	31b Class	No.452
	32a Class	No.288
	49c Class	No.470
	63a Class	No.2770
Industrial	Årdal Works	Årdal Works Tank Engine
	Bjarkøy Gruver	Bjarkøy Gruver Mines Tank Engine
	Sulitjelmabanen	No.1
	Norsk Hydro	Norsk Hydro Side Tank Engine • Norsk Hydro Fireless Tank Engine
	PapeterieDrammensalvens	PapeterieDrammensalvens Tank Engine
	Bjorkasen Mines	Bjorkasen Mines Tank Engine
	Luossavaara-Kirunavaara AB Iron-Ore	No.5
	MBV (SJ)	No.1432 • No.1155 'Mons Olsen'
	Kings Bay Coal Corporation	No.2
	Bjørnøen AS	No.1 'Pelle' • Bjørnøen AS Unnumbered Tank Engine