They were delivered in 1961, and remained in service until 1991 when the line closed; no. 20 remains at Rjukan, while no. 21 was sold to Pepeteries de Golbey of France and no. 22 was transferred to Norsk Hydro at Menstad.[1]
^ abPayton, Gary & Lepperød, Trond (1995). Rjukanbanen; på sporet av et industrieventyr (in Norwegian). Rjukan: Mana Forlag. p. 188. ISBN82-993549-1-9.
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