VR ordered 24 locomotives to improve the efficiency of shunting work,[1] which was back then mainly done with class Vr3 steam locomotives.[2] Two locomotives were delivered for testing purposes in 1969, with the main series being delivered between 1970 and 1972.[1] Until 1976, the Dr14 was known as the Vr12.[1]
The locomotives are used at the biggest Finnish rail yards at Helsinki, Riihimäki, Tampere, Seinäjoki, Kouvola, Imatra and Pieksämäki.[3]
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Eonsuu, Tapio; Honkanen, Pekka; Pölhö, Eljas (1995). Suomen veturit osa 2. Moottorikalusto. Elokuvan Maailma. pp. 34–35. ISBN952-5060-02-0. {{cite book}}: Invalid |ref=harv (help)