The Tokyu 8090 series (東急8090系, Tōkyū 8090-kei) and the related Tokyu 8590 series (東急8590系, Tōkyū 8590-kei) were commuter electric multiple unit (EMU) train types that were operated by the private railway operator Tokyu Corporation in the Kanto region of Japan from 1980 until 2019.

Tokyu 8090 and 8590 series
8090 series on the Oimachi Line
In service1980–2019
ManufacturerTokyu Car[1]
Constructed1980–1985 (8090 series)
1988–1989 (8590 series)
Entered service1980 (8090 series)
1988 (8590 series)
Number built90 vehicles
Number in serviceNone
Formation5/8/10 cars per trainset
OperatorsTokyu Corporation
Lines served
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7 in)
Doors4 pairs per side
Maximum speed120 km/h (75 mph)
Traction systemField Chopper Control
Power output130 kW (174 hp) per motor
Electric system(s)1,500 V DC overhead lines
Current collector(s)Pantograph
Track gauge1,067 mm (3 ft 6 in)

Design

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The trains have lightweight stainless steel car bodies. The car bodies were designed using computer analysis while maintaining the necessary strength. Compared to the preceding 8000 series trains, these trains weigh approximately 2 tons lighter per car.[1][2] Tokyu operated the 8090 series as five- and eight-car sets, with three and six motored cars per trainset.[3] The 8590 series cab cars have emergency exit doors in the front to permit operation on underground lines.[4]

History

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The 8090 series were introduced on the Tokyu Toyoko Line in 1980.[4]

In preparation for future inter-running services between the Toyoko Line and the then-finalised Minatomirai Line, reorganisation of this series took place from September 1988 to February 1989. This was done by manufacturing 10 new 8590 series cab cars with emergency exit doors and removing three cars from each of the ten 8090 series sets and combining two sets of the extracted cars with two of the newly-built 8590 series end cars, thus forming 5 8590 series 8-car sets. In addition, the original 8090 series sets became 5-car sets and were transferred to the Tokyu Oimachi Line.[4][5]

In 2006, sets 8694 and 8695 were lengthened to 10 cars and transferred to the Tokyu Den-en-toshi Line while sets 8691-8693 were re-deployed to the Oimachi Line as five-car sets.[6]

The 10-car sets were used on Tokyu Den-en-toshi Line and Tokyo Metro Hanzomon Line inter-running services, but they were not capable of running through to the Tobu Skytree Line. Hence, they had "K" stickers attached on the front cab window to indicate this.[7]

Withdrawal

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From 1 May 2013, sets 8081 and 8099, which were the last two 8090 series sets on the Oimachi Line received farewell headmarks on the cab fronts just before their retirement.[8]

On 11 December 2018, 10-car set 8695 was withdrawn from service on the Den-en-toshi Line.[9] On 27 February 2019, set 8694, which was the last remaining 8590 series set, ended service on the Den-en-toshi Line and was later sent to Onda factory.[10]

Resale

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Chichibu Railway

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Former Tokyu 8090 series cars were transferred to Chichibu Railway, which designated them as 7500[11] and 7800 series.[12]

Toyama Chihō Railway

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Toyama Chihō Railway operates a number of former Tokyu 8590 series trains, classified as 17480 series (17480形). They first entered service on 2 November 2013 and were put into regular operation from 3 November that same year.[13][14] The first 5 cars (DeHa 8592+DeHa 8692, DeHa 8593+DeHa 8693 and DeHa 8191) were transferred to Toyama Chihō Railway in July 2013.[15] Four more cars (DeHa 8594+DeHa 8694 and DeHa 8595+DeHa 8695) followed suit in October 2019.[16]

References

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  1. ^ a b 小佐野 景寿 (1 June 2019). "ステンレス電車の一時代を築いた東急の「名車」 (Page 2)". Toyo Keizai Online (in Japanese). Archived from the original on 12 June 2020. Retrieved 19 June 2020.
  2. ^ "目蒲線を活用した東横線の複々線化と新たな都心直通". Tokyu Corporation (in Japanese). Japan. Retrieved 12 April 2024.
  3. ^ Harris, Ken, ed. (2005). Jane's World Railways 2005-2006 (47th ed.). Jane's Information Group. p. 298. ISBN 0-7106-2710-6.
  4. ^ a b c 小佐野 景寿 (1 June 2019). "ステンレス電車の一時代を築いた東急の「名車」 (Page 1)". Toyo Keizai Online (in Japanese). Archived from the original on 12 June 2020. Retrieved 13 June 2020.
  5. ^ "Railroad Pictorial". 鉄道ピクトリアル. 749 (July 2004 Special Issue): 212–213.
  6. ^ "2006 Tokyu General Financial Results". Railway Friends Association. 660.
  7. ^ "8590系・2000系「K」マーク付く田園都市線の少数派" [8590 series and 2000 series are a minority on the Den-en-toshi Line with the "K" mark]. news.mynavi.jp (in Japanese). Japan: Mynavi Corporation. 23 January 2016. Retrieved 14 April 2024.
  8. ^ "【東急】8090系にさよならステッカー" [[Tokyu] Farewell sticker to 8090 series] (in Japanese). Japan: Neko Publishing. 7 May 2013. Retrieved 12 April 2024.
  9. ^ "東急8590系8695編成のその後". Japan Railfan Magazine Online. Japan: Koyusha Co., Ltd. 23 December 2018. Retrieved 12 April 2024.
  10. ^ "【東急】8590系8694F 恩田工場へ". RM News (in Japanese). Japan: Neko Publishing. 1 March 2019. Retrieved 12 April 2024.
  11. ^ "秩父鉄道 7500系" [Chichibu Railway 7500 series]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 20 April 2010. Archived from the original on 20 June 2012. Retrieved 20 June 2012.
  12. ^ "秩父鉄道7800系が営業運転を開始" [Chichibu Railway 7800 series starts commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 18 March 2013. Archived from the original on 19 June 2020. Retrieved 19 June 2020.
  13. ^ "富山県の富山地方鉄道、旧東急電鉄8590系改造「モハ17480形」11月デビュー" [Toyama Chiho Railway in Toyama Prefecture, former Tokyu Electric Railway 8590 series remodeling "Moha 17480" debut in November]. news.mynavi.jp (in Japanese). Mynavi Corporation. 17 October 2013. Archived from the original on 19 June 2020. Retrieved 19 June 2020.
  14. ^ "【富山地方鉄道】17480形第3編成が運行を開始". rail.hobidas.com (in Japanese). Neko Publishing. 8 January 2020. Archived from the original on 19 June 2020. Retrieved 19 June 2020.
  15. ^ "東急8590系5両が富山地方鉄道へ" [Five Tokyu 8590 series cars will be sent to Toyama Chihō Railway]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 11 July 2013. Retrieved 14 April 2024.
  16. ^ "もと東急8590系が富山地方鉄道へ" [Former Tokyu 8590 series transferred to Toyama Chihō Railway]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 11 October 2019. Retrieved 14 April 2024.