They have only exceptionally been used for mainline haulage, most notably during the 1970s for some freight trains from Lillestrøm to Skarnes and from Oslo to Sandvika and Spikkestad.
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In the late 1980s, no. 2504 was repainted in an array of colors and became the haulage for the train in the children's television series Sesam Stasjon.