▁by ▁Nor sk ▁Transport ▁on ▁R j uk an ban en ▁in ▁Norway . ▁Bu ilt ▁by ▁Swiss ▁Sé cher on ▁and ▁German ▁Jung ▁in ▁ 1 9 5 8 , ▁they ▁served ▁until ▁the ▁closing ▁of ▁the ▁line ▁in ▁ 1 9 9 1 . ▁ ▁The ▁locomot ives ▁were ▁equ ipped ▁with ▁four ▁ 1 8 3   k W ▁mot ors , ▁giving ▁ 7 3 2   k W ▁in ▁total . ▁They ▁could ▁operate ▁at ▁ 5 5   km / h , ▁and ▁were ▁built ▁for ▁both ▁ 1 0 ▁k V ▁and ▁ 1 5 ▁k V ▁elect rical ▁systems ; ▁the ▁former ▁was ▁used ▁on ▁R j uk an ban en ▁until ▁the ▁older ▁R j B ▁ 1 – 8 ▁were ▁retired ▁in ▁ 1 9 6 6 , ▁and ▁the ▁power ▁changed ▁to ▁the ▁standard ▁of ▁N org es ▁St ats ban er . ▁ ▁A ▁b / w ▁photograph ▁of ▁unit ▁# ▁ 9 ▁heading ▁a ▁fre ight ▁working ▁en ▁route ▁appeared ▁in ▁" Lo comot ives ▁made ▁in ▁Germany ", ▁ 1 9 6 6 ▁ed ., ▁pg . 1 5 ▁bottom ; ▁issued ▁by ▁" Export fo er der ungs verband ▁der ▁deutschen ▁Lok om ot iv indust rie ", ▁DE - Fran k furt / Main ▁ 1 9 6 6 , ▁soft cover , ▁quad ril ing ual . ▁R ating ▁given ▁at ▁ 8 3 0   k W ▁by ▁the ▁ca ption ; ▁factor ▁ 1