Osaka Municipal Subway 10 series

The Osaka Municipal Subway/Osaka Metro 10 series (大阪市交通局・大阪メトロ10系) was a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway in Japan between 1976 and 2022.

For the subway train series operating for the Kyoto Municipal Subway, see Kyoto Municipal Subway 10 series.

Osaka Municipal Subway 10 series
A 10A series trainset departing Momoyamadai Station
In service1976–2022
ManufacturerAlna Kōki, Kawasaki Heavy Industries, Kinki Sharyo, Nippon Sharyo, Tokyu Car Corporation
Entered service16 February 1976
Refurbished1998
Number built234 cars (26 sets)
Number in serviceNone
Number preserved1 vehicle (cab end only)
Successor30000 series
Formation10 cars per trainset
Operator(s)Osaka Metro
Line(s) served
Specifications
Doors4 per side
Traction motorsChopper control
VVVF (1117–1126)

Design

Originally introduced to the Midosuji Line as 8-car sets, trains were lengthened to 9 cars by 1987,[1] and eventually 10 cars by 1995.[2][1]

Refurbishment

Refurbishment of the 10 series trainsets began in 1998. Ten trainsets were upgraded to use Variable-frequency drive (VVVF) technology, increasing efficiency.[2]

Interior

The 10 series were among the first trains powered by a third rail to be equipped with an air conditioning system.[3]

  • Inside a 10 series car
    Inside a 10 series car

History

The 10 series were the main rolling stock on the Midōsuji Line since 1976.[4]

By 1989, the fleet had reached 234 cars, including the prototype cars that initially operated on the Tanimachi Line.[1]

Retirement of the 10 series began with the introduction of 30000 series trainsets on the Midōsuji Line in 2011.[2] The last trainset retaining its original chopper motors (1113) was retired on 9 July 2020.[5] As of June 2022, one trainset remained in operation.[2] The remaining trainset (1126)[6] was withdrawn from service in July 2022.[7]

References
  • 大阪地下鉄に初の冷房車 10系量産車登場 [Osaka Municipal Subway's first air-conditioned rolling stock: 10 series mass-production rolling stock]. Japan Railfan Magazine (in Japanese). Vol. 19, no. 219. Japan: Koyusha Co., Ltd. July 1979. pp. 55–63.
  1. Sato, Masaki (17 June 2022). "大阪メトロ御堂筋線の10A系が7月に引退…10系の流れを汲むVVVF改造車 残るは10両1本" [Osaka Metro Midosuji Line 10A series will retire in July... VVVF remodeled car that follows the flow of 10 series, 10 cars remaining]. Response.jp (in Japanese). Archived from the original on 11 July 2022. Retrieved 15 August 2022.
  2. "10系引退記念1日乗車券セットの発売と引退記念ヘッドマーク付き列車を運行します｜Osaka Metro" [10 series retirement commemorative one-day ticket set will be released and a train with a retirement commemorative head mark will be operated]. Osaka Metro.jp (in Japanese). 16 June 2022. Archived from the original on 12 July 2022. Retrieved 15 August 2022.
  3. Tsuchiya, Takeyuki (7 July 2022). "昔の地下鉄は暑かった？車両「冷房化」の意外な歴史" [Was it hot in the old subway? Surprising history of vehicle "cooling"]. Mainichi Shimbun (in Japanese). Archived from the original on 6 July 2022. Retrieved 15 August 2022.
  4. "ありがとう10系！御堂筋線で活躍した10系車両が引退しました" [Thank you series 10! Series 10 trains that were active on the Midosuji Line have been retired.]. Osaka Metro (in Japanese). 5 July 2022. Archived from the original on 5 July 2022. Retrieved 15 August 2022.
  5. "御堂筋線10系1113編成が緑木検車場へ" [Midosuji Line 10 series set 1113 to Midoriki Yard]. Japan Railfan Magazine Online (in Japanese). 12 July 2020. Archived from the original on 16 March 2022. Retrieved 16 August 2022.
  6. Inoue, Takumi (5 July 2022). "市営交通の冷房化の嚆矢、引退。さらば、大阪メトロ10系 - 鉄道コム" [Pioneer of air-conditioning for municipal transportation, retired. Farewell, Osaka Metro Series 10]. Tetsudo.com (in Japanese). Archived from the original on 5 July 2022. Retrieved 15 August 2022.
  7. 「大阪メトロ」10系、7月引退へ - ヘッドマーク掲出、1日乗車券も ["Osaka Metro" 10 series to retire in July]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 16 June 2022. Retrieved 17 June 2022.
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