Seibu Class E31
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The Class E31 (E31形) is a class of DC Bo-Bo wheel arrangement electric locomotives formerly operated by the private railway operator Seibu Railway in Japan until March 2010 and subsequently by the
Ōigawa Railway The is a railway company in Shizuoka Prefecture, Japan. The company is commonly known as . The company belongs to the Meitetsu Group. The first section of its lines opened in 1927. Operation The company operates preserved steam locomotives, ...
. Four locomotives (numbered E31 to E34) were built at Seibu's
Tokorozawa is a city located in Saitama Prefecture, Japan. , the city had an estimated population of 344,194 in 163,675 households and a population density of 4800 persons per km². The total area of the city is . Geography Tokorozawa is located in the ce ...
factory between 1986 and 1987 to replace ageing first-generation electric locomotives on freight services and track maintenance train duties. The DT-20A bogies were reused from former JNR 80 series
EMUs Emus may refer to: * Emu The emu () (''Dromaius novaehollandiae'') is the second-tallest living bird after its ratite relative the ostrich. It is endemic to Australia where it is the largest native bird and the only extant member of the g ...
, and the traction motors were modified from former EMU motors. File:Seibu-Railway-E31.jpg, Seibu Railway E31 File:Seibu-Railway-E31-DT20A.jpg, Closeup of the DT-20A bogie File:Seibu E33+hoki+E34-2.JPG, Seibu Railway E33・34 Electric locomotive and Hoki 81 freight car They were normally used in pairs by Seibu for top-and-tailing
permanent way A railway track (British English and UIC terminology) or railroad track (American English), also known as permanent way or simply track, is the structure on a railway or railroad consisting of the rails, fasteners, railroad ties (sleepers, ...
maintenance trains and to haul newly delivered rolling stock. Locomotive number E33 was withdrawn on 31 January 2009, becoming the first of the class to be withdrawn. The remaining three locomotives were withdrawn on 28 March 2010. In September 2010, three of the withdrawn Class E31 locomotives (E32 to E34) were transferred to the
Ōigawa Railway The is a railway company in Shizuoka Prefecture, Japan. The company is commonly known as . The company belongs to the Meitetsu Group. The first section of its lines opened in 1927. Operation The company operates preserved steam locomotives, ...
to replace the ageing E10 and ED500 locomotives used there. Initially they were used only for depot shunting duties, but from 2017 they underwent overhaul in preparation for use as helper locomotives on steam-hauled trains, with the first locomotive treated, E34, scheduled to enter revenue service on 15 October 2017. Occasionally, they are used to haul the EL ''Kawane michi-gō'' express. Locomotive E31 remains preserved at Seibu's Yokoze Depot.


See also

*
Seibu Class E851 The was a class of four DC electric locomotives operated by the private railway operator Seibu Railway in Japan between 1969 and 1996. Built in 1969 by Mitsubishi to haul 1,000-tonne cement trains, the design was based on the JNR Class EF65 a ...


References


External links


Seibu Railway website
{{Japanloco Electric locomotives of Japan Bo-Bo locomotives 1500 V DC locomotives Seibu Railway Railway locomotives introduced in 1986 1067 mm gauge locomotives of Japan