NSB El 9 class at Myrdal, Norway, circa 1947

This was a class of 3 Bo-Bo type electric locomotives built by Thune for the Norwegian State Railways (NSB), with electrical equipment from Norsk Elektrisk & Brown Boveri (NEBB) and Per Kure. Although ordered in 1944, wartime disruption saw delivery delayed to 1947.

They were used nearly exclusively on the Flåm and Hardanger steep twisting branch lines.  They were withdrawn in the 1980s, two are preserved.

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