The NSB Class 49, nicknamed Dovregubben ("the Dovre Giant"), locomotives were 2-8-4

2-8-4

In the Whyte notation, a 2-8-4 is a railroad steam locomotive that has one unpowered leading axle followed by four powered driving axles and two unpowered trailing axles. This locomotive type is most often referred to as a Berkshire, though the Chesapeake and Ohio Railway used the name Kanawha for...

 steam locomotive

Steam locomotive

A steam locomotive is a railway locomotive that produces its power through a steam engine. These locomotives are fueled by burning some combustible material, usually coal, wood or oil, to produce steam in a boiler, which drives the steam engine...

s used to pull heavy trains on the Dovre Line. It is the largest type of steam locomotive in the history of the Norwegian State Railways.

The engines came in three series, the 49a, 49b and 49c. Between 1935 and 1941 five engines were produced by Hamar and Thune

Thune

Thunes Mekaniske Værksted A/S, Thune for short, was a Norwegian manufacturing company that among other things built locomotives. The production facilities were last located at Skøyen.-History:...

, two by Krupp AG. In addition to the seven engines delivered, there were seven engines which were destroyed by a bombing raid during World War II

World War II

World War II, or the Second World War , was a global conflict lasting from 1939 to 1945, involving most of the world's nations—including all of the great powers—eventually forming two opposing military alliances: the Allies and the Axis...

 while under construction in Germany

Germany

Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...

, another four were under construction at Thune but were never completed. The engines were retired on December 16, 1958.

The numbers of the Dovregubben locomotives were 463, 464, 465, 470, 471, 472 and 473. Engine no. 470 is on display at the Norwegian railway museum in Hamar.

Specifications

• Length:
  • a-series: 22.0 m
  • b-series: 22.0 m
  • c-series: 22.3 m
• Weight of engine:
  • a-series: 87.2 t
  • b-series: 92.7 t
  • c-series: 88.6 t
• Weight of tender:
  • a-series: 17.4 t
  • b-series: 17.4 t
  • c-series: 18.4 t
• Wheel arrangement
  Wheel arrangement
  In rail transport, a wheel arrangement is a system of classifying the way in which wheels are distributed beneath a locomotive.. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and connections, with the adopted notations varying by country...
  
  : 2-8-4
  2-8-4
  In the Whyte notation, a 2-8-4 is a railroad steam locomotive that has one unpowered leading axle followed by four powered driving axles and two unpowered trailing axles. This locomotive type is most often referred to as a Berkshire, though the Chesapeake and Ohio Railway used the name Kanawha for...
  
  
• Maximum speed: 90 km/h
• Diameter of driving wheel: 1.53 m