Odakyu 9000 series

The Odakyu 9000 series (小田急9000形, Odakyū 9000-gata) was a commuter electric multiple unit (EMU) train type operated by the private railway operator Odakyu Electric Railway in Japan from 1972 until 2006.

Odakyu 9000 series
A 9000 series train in May 2004
In service1972–2006
ManufacturerTokyu Car, Kawasaki Heavy Industries
Constructed1972–1977
Scrapped2005–2006
Number built90 vehicles (18 sets)
Number in serviceNone
Number preserved1 vehicle
Formation4 / 6 cars per set
Operator(s)Odakyu Electric Railway
Specifications
Width2,870 mm (9 ft 5 in)
Doors4 pairs per side
Maximum speed100 km/h (service)
120 km/h (design)
Traction systemMitsubishi resistor control with field chopper control (thyristor switching device[1])(electric camshaft); 11 steps in series, 8 steps in parallel, field weakening (chopper-controlled), 19 steps for dynamic braking and 11 steps for regenerative braking[2]
Traction motorsMitsubishi DC compound motor[3]
Power output110 kW x4 per motored car
Electric system(s)1,500 V DC overhead lines
Current collector(s)Pantograph
BogiesFS085, FS385[4]
Braking system(s)Regenerative braking, dynamic braking
Multiple working2600/4000I/5000I/8000/1000/3000 series[5]
Track gauge1,067 mm (3 ft 6 in)

Technical specifications

The trains were equipped with 110 kW motors and chopper control.[6]

Formations

The fleet consisted of nine four-car and nine six-car sets.[7] The sets were formed as follows.[8]

Four-car sets
Designation M1cM1M2M2c
Numbering 9000910092009300
Six-car sets
Designation M1cM2T1T2M1M2c
Numbering 940095009550965096009700

History

The trains entered service in 1972, and were the recipient of the 1973 Laurel Prize.[9] Chiyoda Line through services with 9000 series trains began on March 31, 1978.[8] The trains were withdrawn from service in March 2006.[7] A farewell run between Hadano and Karakida was operated on May 13, 2006.[8]

  • Laurel Prize 1973 plaque
  • First Odakyu and Chiyoda Line through-services on March 31, 1978
  • 9000 series (left) with "Sayonara" headboard on May 13, 2006

Preserved examples
  • Deha 9001: stored at the Kitami inspection facility[6]

Derivatives

Trains of a similar design operate on the Roca Line in Argentina.

References
  1. "小田急車両のすべて" [All About ODAKYU's Electric Cars]. June 1, 1996.
  2. "小田急電鉄9000形" [Odakyu 9000 type]. bikke.o.oo7.jp. Retrieved January 3, 2021.
  3. 『鉄道ピクトリアル』通巻679号 p.231
  4. "FS385 FS085 ／ 小田急電鉄9000形" [FS385 FS085 / Odakyu Electric Railway 9000 series]. rail.hobidas.com. Neko Publishing. May 15, 2006. Archived from the original on November 21, 2019. Retrieved November 28, 2019.
  5. "小田急9000形の晩年で異色の存在だった9007Fとは".
  6. Ubukata, Yoshio; Kazuhide, Onuma (2014). 小田急通勤型電車のあゆみ [Odakyu commuter train history] (in Japanese). Jtb Publishing. pp. 64–68. ISBN 9784533100178.
  7. "小田急9000形" [Odakyu 9000 series]. rail.hobidas.com. Neko Publishing. August 10, 2006. Archived from the original on November 21, 2019. Retrieved November 27, 2019.
  8. "小田急電鉄9000形ミニ・ディテールファイル その9" [Odakyu Electric Railway 9000 series mini detail file 9]. rail.hobidas.com. Neko Publishing. May 15, 2006. Archived from the original on November 21, 2019. Retrieved November 27, 2019.
  9. Matsuo, Kazuto (April 7, 2013). "下北沢付近地下化記念! 9000形&5000形など1970年代懐かしの小田急線" [Commemoration of underground-ization near Shimokitazawa! Odakyu Line of 1970s nostalgia, such as 9000 series & 5000 series]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on November 21, 2019. Retrieved November 27, 2019.
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