VR Class Dm7
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The Dm6 and Dm7 were diesel multiple units built by
Valmet Valmet Oyj is a Finnish company and a developer and supplier of technologies, automation systems and services for the pulp, paper and energy industries. Valmet has over 200 years of history as an industrial operator. Formerly owned by the S ...
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 They were withdrawn in 1981.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All Dm6:s have been withdrawn from service. 20 Dm7:s are preserved by Finnish museum railway associations.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 The Finnish Railway Museum ( fi, Suomen Rautatiemuseo) is located in Hyvinkää, Finland. It was founded in 1898 and located in Helsinki. The museum was moved to Hyvinkää in 1974. The museum is on the original station and yard site of the Han ...
.


See also

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Finnish Railway Museum The Finnish Railway Museum ( fi, Suomen Rautatiemuseo) is located in Hyvinkää, Finland. It was founded in 1898 and located in Helsinki. The museum was moved to Hyvinkää in 1974. The museum is on the original station and yard site of the Han ...
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VR Group VR-Group Plc ( fi, VR-Yhtymä Oyj, sv, VR-Group Abp), commonly known as VR, is a government-owned railway company in Finland. VR's most important function is the operation of Finland's passenger rail services with 250 long-distance and 800 co ...
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List of Finnish locomotives This is a list of locomotives and multiple units that have been used in Finland. VR Group (privatised in 1995, previously ''Valtionrautatiet'', Finnish state railways) had a monopoly on passenger traffic until 1.1.2021, but is currently the only ...
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List of railway museums A railway museum is a museum that explores the history of all aspects of rail related transportation, including: locomotives (steam, diesel, and electric), railway cars, trams, and railway signalling equipment. They may also operate historic equ ...
Worldwide *
Heritage railways A heritage railway or heritage railroad (US usage) is a railway operated as living history to re-create or preserve railway scenes of the past. Heritage railways are often old railway lines preserved in a state depicting a period (or periods) i ...
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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 ...
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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 ...
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Jokioinen Museum Railway The Jokioinen Museum Railway is located in Jokioinen, Finland. It is located on the last operating commercial narrow gauge railway in Finland, the gauge Jokioinen Railway. The museum was established on February 2, 1978, four years after the di ...
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History of rail transport in Finland :''This article is part of the history of rail transport by country series'' The history of rail transport in Finland began on January 31, 1862, with the opening of the railway line between Helsinki and Hämeenlinna. By 1900 most of the future mai ...


References

;Literature * *


External links

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