E331 series

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E331 series
300px
E331 series set AK1 in service on the Keiyo Line in May 2010
In service March 2007–2011
Manufacturer Kawasaki Heavy Industries, Tokyu Car Corporation
Constructed 2006
Scrapped 2014
Number built 14 cars (1 set)
Number scrapped 14 vehicles
Formation 14 cars per trainset
Fleet numbers AK1
Operator(s) JR East
Depot(s) Keiyo (Shin-Narashino)
Line(s) served Keiyo Line
Specifications
Car body construction Stainless steel[1]
Car length 13,400 mm (44 ft 0 in) (cars 2-6, 9-13)
16,500 mm (54 ft 2 in) (cars 1, 7, 8, 14)[2]
Width 2,989 mm (9 ft 9.7 in)
Doors 3 pairs per side
Maximum speed 120 km/h (75 mph)
Electric system(s) 1,500 V DC overhead catenary
Bogies DT73/TR257/TR258
Safety system(s) ATS-P, ATS-SN
Track gauge 1,067 mm (3 ft 6 in)

The E331 series (E331系?) was an electric multiple unit (EMU) train introduced experimentally from 2007 on commuter services on the Keiyo Line in Japan operated by East Japan Railway Company (JR East). Only one trainset was built, and it differed significantly from other JR commuter EMUs in having articulated cars with shared bogies and using direct-drive motors.[2]

Bogies

The 14-car set was mounted on a total of 16 bogies: four TR257 trailer bogies (cars 1, 7, 8, 14), six TR258 shared trailer bogies, and six DT73 shared motor bogies.[3]

  • E331 TR257 car 8 Kunitachi 20140325.JPG

    TR257 trailer bogie

  • E331 TR258 Kunitachi 20140325.JPG

    TR258 shared trailer bogie

  • E331 DT73 Kunitachi 20140325.JPG

    DT73 shared motor bogie

Formation

The lone set, AK1, consisted of two 7-car half-sets, and is formed as follows, with car 1 at the Tokyo end.[1][3]

Car No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Designation Tc' M T2 M T M T4 T3 M T2 M T M Tc
Numbering KuHa E330-1 MoHa E331-6 SaHa E331-502 MoHa E331-5 SaHa E331-2 MoHa E331-4 SaHa E331-1001 SaHa E330-1 MoHa E331-3 SaHa E331-501 MoHa E331-2 SaHa E331-1 MoHa E331-1 KuHa E331-1
Weight (t) 25.11 16.1 16.7 16.1 16.5 16.1 20.2 21.5 16.1 16.7 16.1 16.5 16.1 24.11
Capacity (total/seated) 115/34 107/34 107/34 107/34 107/34 107/34 133/46 133/46 107/34 107/34 107/34 107/34 107/34 115/34
File:E331 Omiya 20061114.JPG
SaHa E330-1 (car 8) in November 2006
  • Cars 3 and 10 (SaHa E331-502 and SaHa E331-501) were each fitted with one PS37 single-arm pantograph.[1]
  • Cars 1 and 14 seated 36 when the seats are configured in transverse mode.[3]

Interior

Cars 2 to 13 had longitudinal seating, while the end cars 1 and 14 had transverse seating bays which could be rotated and rearranged longitudinally against the train sides to provide increased standing space during peak hours.[4]

  • E331 interior 20070318 (1).jpg

    General interior view

  • E331 interior 20070318 (2).jpg

    5-person bench seat

  • L25 TcE330-seat.jpg

    Transverse seating bay in car 1

  • E331-VIS.JPG

    LCD passenger information display

History

Incorporating new technology tested on the earlier experimental E993 series "AC Train", the E331 series was delivered to JR East in March 2006. Cars 1 to 7 were built by Tokyu Car Corporation in Yokohama, and cars 8 to 14 were built by Kawasaki Heavy Industries in Kobe.[1]

Following extensive test running, the set entered revenue service on the Keiyo Line between Tokyo and Soga from the start of the revised timetable on 18 March 2007, used only on weekend services.[5] From April, the set was taken out of service, and in October 2007, the seven Kawasaki-built cars were returned to their manufacturer for modifications, and in March 2008, the seven Tokyu Car cars were also returned to Tokyu Car for modifications.[5] The set was returned to service on 23 December 2008.[6]

The set was removed from revenue service in May 2009, returning to service on 3 April 2010.[7] It was subsequently removed from service again, and remained stored out of service at Shin-Narashino Depot from early 2011 before finally being hauled to Nagano Works in March 2014 for scrapping.[8]

  • E331 cars 1-7 Yamate 20060309.JPG

    Cars 1 to 7 on delivery from Tokyu Car's Yokohama factory, March 2006

  • E331 Keiyo Line 20100627.jpg

    The E331 series set in service on the Keiyo Line, June 2010

  • E331 Platform Sign.jpg

    A sticker on the Keiyo Line platform at Tokyo Station marking the door position for E331 series trains, April 2008

  • E331 AK1 Kunitachi 20140325.JPG

    The E331 series set being hauled to JR East's Nagano Works in March 2014

See also

References

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Further reading

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External links

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  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
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