The class P was a series of

steam locomotive A steam locomotive is a locomotive that provides the force to move itself and other vehicles by means of the expansion of steam. It is fuelled by burning combustible material (usually coal, Fuel oil, oil or, rarely, Wood fuel, wood) to heat ...

s of the Danish State Railways, designed by chief mechanical engineer O.F.A. Busse and introduced in 1907. With a

wheel arrangement In rail transport, a wheel arrangement or wheel configuration is a system of classifying the way in which wheels are distributed under a locomotive. Several notations exist to describe the wheel assemblies of a locomotive by type, position, and c ...

of 4-4-2 (2'B1 in

UIC classification The UIC classification of locomotive axle arrangements, sometimes known as the German classification''The Railway Data File''. Leicester: Silverdale, 2000. p. 52. . or German system,Kalla-Bishop P.M. & Greggio, Luciano, ''Steam Locomotives'', Cr ...

), they were well suited to express trains, and were the first steam locomotives in

Denmark Denmark is a Nordic countries, Nordic country in Northern Europe. It is the metropole and most populous constituent of the Kingdom of Denmark,, . also known as the Danish Realm, a constitutionally unitary state that includes the Autonomous a ...

heavier than 100 tons. They saw service on most DSB main lines, but were at their best on the relatively level

Copenhagen Copenhagen ( ) is the capital and most populous city of Denmark, with a population of 1.4 million in the Urban area of Copenhagen, urban area. The city is situated on the islands of Zealand and Amager, separated from Malmö, Sweden, by the ...

Korsør Korsør is a town in Zealand (Denmark), Zealand, Denmark. It is located in Slagelse Municipality. Until 2007 Korsør was the seat of Korsør Municipality. The town is located west of Slagelse, north-west of Skælskør and connects to Nyborg thr ...

and

Fredericia Fredericia () is a town located in Fredericia Municipality in the southeastern part of the Jutland peninsula in Denmark. The city is part of the Triangle Region Denmark, Triangle Region, which includes the neighbouring cities of Kolding and Vej ...

Esbjerg Esbjerg (, ) is a seaport city and seat of Esbjerg Municipality on the west coast of the Jutland peninsula in southwest Denmark. By road, it is west of Kolding and southwest of Aarhus. With an urban area, urban population of 71,554 (1 January ...

services. Due to shortages of powerful locomotives with low axle load during

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

, seven of the class P locomotives were rebuilt to a 4-6-2 arrangement and designated class PR, starting in 1943. Two of the class P locomotives have been preserved, as well as one unit of class PR.

References

External links

DSB litra P (II)
at Jernbanen.dk 4-4-2 locomotives 2′B1 locomotives P 901 Steam locomotives of Denmark Railway locomotives introduced in 1907 Hanomag locomotives Berliner locomotives Passenger locomotives Standard-gauge locomotives of Denmark {{steam-loco-stub