The NSB El 11 was an
electric locomotive which was operated for both passenger and freight trains by
NSB. It was the third type of Norwegian electric locomotive with
bogies, after the
NSB El 7 and
NSB El 9. They were manufactured by
Norsk Elektrisk & Brown Boveri (NEBB) and Thune mekaniske verksted. The first 35 engines were built between 1951 and 1956 and numbered 11 2078 to 11 2112, a second series of 6 engines, the El 11b, was built between 1963 and 1964 and numbered 11 2145 to 11 2150. The b-series had minor modifications such as a
windshield consisting of two large windows instead of four small ones. A further upgrade of the El 11 became the
NSB El 13 locomotive.
Between 1982 and 1983 three El 11s were upgraded for use on the steep
Flåmsbana branch line. They have since been replaced by
multiple units such as the
NSB BM69 and, later, by locomotives such as the
NSB El 17. The El 11s was withdrawn from service during the 1990s, with the last use in 1998. There are four preserved engines, two by the
Norwegian Railway Club for use on special trains, and two by the
Norwegian Railway Museum in
Hamar.
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