VR Class Dm6
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The Dm6 and Dm7 were
diesel multiple unit A diesel multiple unit or DMU is a multiple-unit train powered by on-board diesel engines. A DMU requires no separate locomotive, as the engines are incorporated into one or more of the carriages. Diesel-powered single-unit railcars are also ...
s built by Valmet in the 1950s and 1960s for Valtionrautatiet. They are known by their nickname ''lättähattu'' (Finnish for "flat cap", the first widespread youth culture movement in Finland).


History

At the beginning of the 1950s it became clear that VR needed multiple units to compete with buses in short-distance traffic. In 1952, seven Dm6s were ordered from Valmet, and eight more the next year. After testing the Dm6:s and having noted that the new DMU:s worked well in Finnish conditions, VR ordered more units. In total, 197 Dm7 class multiple units were built with some modifications (a larger wheel size, for instance).


Variants

VR Class Dm7 recorded on 28 June 2018


DmG7

Three Dm7:s (numbers 4145–4147) were transformed into goods transport vehicles. They were withdrawn in 1981.


Ttv

16 Dm7:s were transformed into electric maintenance vehicles.


Preservation

All Dm6:s have been withdrawn from service. 20 Dm7:s are preserved by Finnish museum railway associations. No:4020 is at the Finnish Railway Museum.


See also

* Finnish Railway Museum * VR Group * List of Finnish locomotives * List of railway museums Worldwide * Heritage railways *
List of heritage railways This list of heritage railways includes heritage railways sorted by country, state, or region. A heritage railway is a preserved or tourist railroad which is run as a tourist attraction, is usually but not always run by volunteers, and often seeks ...
*
Restored trains Conservation and restoration of rail vehicles aims to preserve historic rail vehicles. Trains It may concern trains that have been removed from service and later restored to their past condition, or have never been removed from service, like UP ...
* Jokioinen Museum Railway * History of rail transport in Finland


References

;Literature * *


External links

*
Finnish Railway Museum
{{DEFAULTSORT:Dm7 Valmet Multiple units of Finland