Mezue ahịrịokwu na-esonụ: Iwu nke Ofoten Line malitere na 1898 tinyere Ore Line site na Riksgränsen ruo Kiruna. A rụchara ha na 1902, na-enye ohere LKAB ka ha buru ore site na mines ha na Kiruna ruo n'ọdụ ụgbọ mmiri Narvik na-enweghị ice. Ọrụ na ihe onwunwe nke akara ahụ bụ nke Norwegian State Railways. A na-eji ọkụ eletrik eme ihe na 1915 na Norwegian State Railways (NSB) malitere iji El 3 na El 4 locomotives. N'oge Agha Ụwa nke Abụọ, a kwụsịrị ịzụ ahịa ore n'ihi
Agha Narvik na bọmbụ e ji atụ obodo ahụ. N'ime iri afọ ndị sochirinụ, NSB webatara ụgbọ oloko El 12 na El 15. Na 1996, Malmtrafik weghaara ọrụ ụgbọ oloko ore, nke ụlọ ọrụ na-egwupụta akụ LKAB na-achịkwa ma bụrụ ugbu a. N'otu afọ ahụ, e nyefere ikike nke ụzọ ụgbọ okporo ígwè ahụ na Norwegian National Rail Administration nke e hiwere ọhụrụ. E meela ka okporo ụzọ ahụ dịkwuo mma maka ibu axle, na-ekwe ka ndị ọhụrụ Iore locomotives na-adọkpụ ụgbọ oloko.