Odakyu 4000 series
ManufacturerTokyu Car Corporation, J-TREC, JR East[1]
Built atYokohama, Niitsu
ReplacedOdakyu 1000 series
Constructed2007–2016
Entered service22 September 2007
Number built160 vehicles (16 sets)
Number in service160 vehicles (16 sets) (as of 10 February 2023)
Formation10-car sets
Fleet numbers4051–4066
OperatorsOdakyu Electric Railway
DepotsKitami
Lines served
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7 in)
Doors4 pairs per side
Maximum speed100 km/h (62 mph)[1]
Traction systemVariable frequency (IGBT)
Power output190 kW per motor[1]
Acceleration3.3 km/(h⋅s) (2.1 mph/s)[1]
Deceleration4.0 km/(h⋅s) (2.5 mph/s) (service)
4.7 km/(h⋅s) (2.9 mph/s) (emergency)
Electric system(s)1,500 V DC Overhead lines
Current collector(s)Pantograph
Braking system(s)Regenerative brake
Safety system(s)OM-ATS, CS-ATC
Track gauge1,067 mm (3 ft 6 in)

The Odakyu 4000 series (小田急4000形, Odakyū 4000-gata) is a 1,500 V DC commuter electric multiple unit (EMU) train type operated by the private railway operator Odakyu Electric Railway in Japan since 2007.[2]

Design

The trains are based on the JR East E233-2000 series narrow-body EMU design to permit subway running.[2] The traction motors are fully enclosed to reduce environmental noise.[2]

Formation

As of 1 April 2016, 15 ten-car sets are in service, numbered 4051 to 4065, and formed as follows.[3]

Car No. 12345678910
Designation Tc2M6M5T2T1M4M3M2M1Tc1
Numbering 4550450044004450435043004200410040004050
  • Cars 3, 7, and 9 each have one single-arm pantograph.[3]
  • Car 2 is designated as a mildly air-conditioned car.[3]

Interior

Passenger accommodation consists of longitudinal bench seating throughout. Cars 1 and 10 have wheelchair spaces.[3]

History

The first train was delivered in May 2007, and the trains entered service in September 2007 on inter-running services between Odakyu and the Tokyo Metro Chiyoda Line, displacing 1000 series sets,[4] which were cascaded to surface lines to replace older 5000 and 5200 series sets.

From 26 March 2016, the 4000 series began operation on the JR East Joban Line.[5]

References

  1. 1 2 3 4 首都圏鉄道完全ガイド 主要私鉄編 [Tokyo Area Complete Railway Guide - Major Private Lines] (in Japanese). Japan: Futabasha. 22 July 2013. p. 20. ISBN 978-4-575-45387-4.
  2. 1 2 3 私鉄車両年鑑2013 [Japan Private Railways Annual 2013] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 March 2013. p. 189. ISBN 978-4-86320-693-9.
  3. 1 2 3 4 私鉄車両編成表 2016 [Private Railway Rolling Stock Formations - 2016] (in Japanese). Japan: Kotsu Shimbunsha. 25 July 2016. p. 59. ISBN 978-4-330-70116-5.
  4. ↑ "地下鉄に乗り入れなくなった関東大手私鉄車両 想定しながら乗り入れてない車両まで6選" [6 major private railway vehicles in Kanto that can no longer enter the subway]. Traffic News (in Japanese). 20 March 2021. p. 1. Retrieved 12 April 2022.
  5. ↑ "E233系2000番台・小田急4000形の3社直通運転開始" [E233-2000 series and Odakyu 4000 series now interoperate on three lines]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 27 March 2016. Retrieved 12 April 2022.
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