SJ Rm
Encyclopedia
The SJ Class Rm is a electric locomotive
operated by Statens Järnvägar
and later Green Cargo. The six locomotives are variants of the Rc locomotive and built by ASEA
in 1977. The difference is smaller wheels giving higher pulling force, but lower maximum speed. They were used in triple-unit configuration on Malmbanan
as supplements to Dm3
-units, but later moved to other parts of the Swedish rail network
after the transport needs on Malmbanan were reduced. When originally used to haul iron ore they were ballasted, fitted with SA3 coupelings
and additional set of brakes, but all these modifications were removed when the locomotives were put in ordinary freight operation. In the 1990s they were repainted from orange to blue. When SJ was split up, they were transferred to Green Cargo. All still remain in service, stationed in Malmö.
Electric locomotive
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or an on-board energy storage device...
operated by Statens Järnvägar
Statens Järnvägar
The Swedish State Railways or SJ, originally the Royal Railway Board , is a former government agency responsible for operating the state railways in Sweden....
and later Green Cargo. The six locomotives are variants of the Rc locomotive and built by ASEA
ASEA
Allmänna Svenska Elektriska Aktiebolaget was a Swedish industry company. It merged with the Swiss Brown, Boveri & Cie in 1988 to form Asea Brown Boveri...
in 1977. The difference is smaller wheels giving higher pulling force, but lower maximum speed. They were used in triple-unit configuration on Malmbanan
Malmbanan
The Iron Ore Line is a long railway line between Riksgränsen and Boden in Norrbotten County, Sweden. The line contains two branches, from Kiruna to Svappavaara and from Gällivare to Koskullskulle. The term is often colloquially used to also include the Ofoten Line, from Riksgränsen to Narvik in...
as supplements to Dm3
SJ Dm3
Dm and Dm3 is a series of locomotives used by Statens Järnvägar and later Malmtafik i Kiruna for pulling iron ore trains on Malmbanan in Sweden and Ofotbanen in Norway. A total of 39 double-locomotives were delivered between 1953 and 1971, built by ASEA. A further 19 center locomotives were...
-units, but later moved to other parts of the Swedish rail network
Rail transport in Sweden
Rail transport in Sweden uses a network of 13,000 km of track, the 20th largest in the world. Construction of the first railway line in Sweden began in 1855. The major operator is the state-owned SJ AB....
after the transport needs on Malmbanan were reduced. When originally used to haul iron ore they were ballasted, fitted with SA3 coupelings
SA3 coupler
The SA3 coupler is a type of railway coupling used mainly, but not exclusively, in Russia and other states of the former Soviet Union.Railways in Russia used European buffers and couplings from their inception. These couplings had three main limitations. Firstly the load was limited. Secondly, the...
and additional set of brakes, but all these modifications were removed when the locomotives were put in ordinary freight operation. In the 1990s they were repainted from orange to blue. When SJ was split up, they were transferred to Green Cargo. All still remain in service, stationed in Malmö.