NSB El 12

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NSB El 12
Pantograph
Performance figures
Maximum speed75 km/h (47 mph)
Power output2,398 kW (3,220 hp)
Career
LocaleOfoten Line

NSB El 12 was an electric locomotive used by the Norwegian State Railways (NSB) to haul iron ore trains on Ofoten Line between 1957 and 1990. The locomotives were based on the Swedish Dm that was used with success on the connecting Iron Ore Line. The eight units were always operated in pairs or in triples and were numbered 12 2113 - 12 2120. Four double sets remain as heritage locomotives.

History

El 12.2114 at the shed in Narvik in 1970

After

double track or hauling longer trains. The latter solution was chosen, and on the Norwegian side the ten El 3 locomotives were converted from five double sets to three triple sets with one reserve and the two El 4
converted to a double set. But this solution would require more locomotives.

The

Dm units, creating the Dm+Dm3+Dm unit configuration. NSB chose to rebuild three of their locomotive pairs to triple units, but in 1967 NSB ordered six new technically far more advanced El 15
locomotives. The El 12 units were taken out of service between 1989 and 1992.