Osaka Metro 400 series

The Osaka Metro 400 series (Japanese: 大阪メトロ400系, Hepburn: Ōsaka Metoro 400-kei) is an electric multiple unit (EMU) train type built by Hitachi Rail for Osaka Metro. Entering service on 25 June 2023, a total of 23 six-car sets are to be built.

Osaka Metro 400 series
A 400 series set in June 2023
In service25 June 2023 – present
ManufacturerHitachi Rail[1]
DesignerKen Okuyama
AssemblyKasado[1]
Replaced
Constructed2022–
Number under construction132 vehicles (22 sets)
Number built6 vehicles (1 set)
Formation6 cars per set
Capacity
  • 125 (end cars)[2]
  • 139 (most int. cars)[2]
  • 140 (408-xx cars only)[2]
Operator(s) Osaka Metro
Line(s) servedOsaka Metro Chuo Line
Specifications
Car body constructionAluminium
Electric system(s)750 V DC third rail
Current collector(s)Contact shoe
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge

Operations

A total of 23 six-car sets are due to be introduced ahead of the 2025 World Expo,[3] and to replace the 20 and 24 series trainsets currently in use on the Chuo Line.[4] The 400 series is the first new Osaka Metro rolling stock type to be ordered following the privatization of the Osaka Municipal Transportation Bureau.[5]

Design

The design of the 400 series was overseen by Ken Okuyama.[2]

Exterior

The exterior design of the 400 series is intended to resemble that of a spaceship,[4] featuring an octagonal front end and headlight clusters at each of the four corners.[2] The 400 series was developed in consideration of the 2025 World Expo, high levels of comfort and safety, accessibility, and to be "fun to ride".[6] In addition, the train type will have lower floor heights than their predecessors, as well as more clearly marked priority seating.[7] The sets use aluminium for body construction.[2]

Interior

The interior incorporates calm color palette, and the longitudinal seats use a varied color palette.[7]

Passenger accommodation consists of longitudinal seating throughout, except for one car, which features transverse seating.[4] Priority seating is provided.[7] Passenger information displays will be provided, displaying information in Japanese, English, Chinese, and Korean.[4]

The luggage racks are 10 millimetres (0.39 in) lower than those of other train types.[2]

Formation

The sets are formed as follows.[2]

Numbering 409-01402-01403-01408-01401-01406-01

History

The trains were first formally announced by Osaka Metro on 9 December 2021.[4] Production of the 400 series fleet commenced[1] in 2022,[8] and the first set was delivered from Hitachi's Kasado plant in October of that year.[1] On 7 December 2022, Osaka Metro unveiled the first 400 series to the press.[2]

It was originally intended that the 400 series would enter service in April 2023;[9] however, its introduction into service was delayed until 25 June 2023.[5] Of the 23 sets to be produced, 12 sets are expected to enter service in fiscal 2023.[10]

References
  1. "大阪市高速電気軌道400系第1編成が緑木検車場に搬入される" [The first Osaka Metro 400 series trainset is delivered to the Midoriki Inspection Station]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 1 November 2022. Archived from the original on 1 November 2022. Retrieved 2 November 2022.
  2. "「大阪メトロ」新型車両400系を公開、クロスシート車も - 写真91枚" [Osaka Metro unveils new 400 series train with transverse seating - 91 photos]. Mynavi News (in Japanese). 7 December 2022. Archived from the original on 7 December 2022. Retrieved 7 December 2022.
  3. "Osaka Metro to roll out new train cars in April 2023 ahead of world's fair". Mainichi Daily News. 11 December 2021. Archived from the original on 8 April 2022. Retrieved 30 March 2022.
  4. "未来感あふれる宇宙船風、クロスシート車も…大阪メトロに新造400系" [A spaceship style full of futurism, cross-seat cars... Newly built 400 series for Osaka Metro]. Response Automotive Media (in Japanese). 9 December 2021. Archived from the original on 12 December 2021. Retrieved 12 December 2021.
  5. 大阪市高速電気軌道400系が営業運転を開始 [Osaka Municipal Rapid Electric Tramway 400 series begins commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 25 June 2023. Retrieved 25 June 2023.
  6. "「大阪メトロ」中央線の新型車両400系「乗って楽しい」デザインに" [Osaka Metro's new 400 series to incorporate a "fun to ride" design]. Mynavi News (in Japanese). Mynavi Corporation. 9 December 2021. Archived from the original on 31 May 2022. Retrieved 22 March 2022.
  7. "大阪市高速電気軌道，中央線に400系・30000A系を導入" [Osaka City High-Speed Electric Tramway to introduce 400 and 30000A series to the Chuo Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 9 December 2021. Archived from the original on 9 December 2021. Retrieved 16 February 2022.
  8. 「大阪メトロ」中央線30000A系を公開、7月デビュー予定 - 写真72枚 ["Osaka Metro" Chuo Line 30000A series unveiled, scheduled to enter service in July - 72 photos]. Mynavi News (in Japanese). Mynavi Corporation. 30 May 2022. Archived from the original on 7 June 2022. Retrieved 12 June 2022.
  9. 「大阪メトロ」新型車両400系、6/25運行開始へ - ダイヤは公開せず ["Osaka Metro" delays new 400 series introduction to 25 June]. Mynavi News (in Japanese). 25 April 2023. Archived from the original on 25 April 2023. Retrieved 25 April 2023.
  10. "「大阪メトロ」中央線の新型車両400系、2023年度は12編成を導入へ" ["Osaka Metro" Chuo Line 400 series: 12 trainsets to be introduced in 2023]. MyNavi Corporation (in Japanese). 10 May 2023. Archived from the original on 10 May 2023. Retrieved 10 May 2023.
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