Yokohama Municipal Subway 4000 series
A 4000 series train at Nakamachidai Station
In service2022–present
ManufacturerKawasaki Heavy Industries
Built atKōbe, Hyōgo
Replaced3000A series
Constructed2021–
Entered service2 May 2022
Number under construction42 carriages (7 sets)
Number built6 carriages (1 set)
Number in service6 carriages (1 set) (As of May 2022)
Formation6-car sets
Tc1–M2–M3–M4–M5–Tc6
Capacity766
Operators Yokohama City Transportation Bureau
DepotsKaminagaya
Lines served Yokohama Municipal Subway Blue Line

The Yokohama Municipal Subway 4000 series (横浜市交通局4000形) is a metro electric multiple unit (EMU) train type operated by the Yokohama City Transportation Bureau on the Yokohama Municipal Subway Blue Line in Japan since 2022.

Formation

The sets have four powered cars and two leading trailer cars, and are formed as follows.[1]

Designation Tc1M2M3M4M5Tc6
Weight (t) 30.534.032.534.033.030.0
Capacity
(total/seated)		 121/39131/45121/39

Interior

Longitudinal bucket seating is used throughout.[2]

Technical details

Construction is of stainless steel.[3] Cars are 18 metres (59 ft 1 in) long (leading cars are 54 centimetres (1 ft 9 in) longer[1]), 2,760 millimetres (9 ft 1 in) wide,[3] and approximately 3.5 metres (11 ft 6 in) tall.[1] The trains use a VVVF traction control system that allows for full regenerative braking.[3] The trains have a maximum design speed of 90 kilometres per hour (56 mph) but are limited to 80 km/h (50 mph) during operation.[2]

History

On 13 December 2021, the Yokohama Municipal Subway announced that new trainsets would be purchased for the Blue Line, replacing the oldest 3000A series trainsets dating back to 1992.[4]

The order was originally made in 2018 for a new batch of 3000V series trainsets but that plan was abandoned in favour of newer 4000 series cars.[5]

As of 3 April 2022, five trainsets (30 vehicles) are to be commissioned in 2022 while the remaining three sets (18 vehicles) will enter service in 2023.[2]

The first trainset entered service on 2 May 2022.[6]

References

Wikimedia Commons has media related to Yokohama Subway 4000 series.
  1. 1 2 3 "【お披露目レポ】横浜市営地下鉄ブルーラインの新型車両「4000形」" [Yokohama Municipal Subway Blue Line's new "4000 series" vehicle]. Tetsudo Shimbun (in Japanese). 30 March 2022. Archived from the original on 7 April 2022. Retrieved 4 April 2022.
  2. 1 2 3 "横浜市営地下鉄ブルーライン新型車両4000形、主要諸元は? 写真65枚" [Yokohama Municipal Subway Blue Line new 4000 series, what are the main specifications? 65 photos]. Mynavi News (in Japanese). 3 April 2022. Archived from the original on 10 April 2022. Retrieved 3 May 2022.
  3. 1 2 3 "Yokohama unveils Series 4000 metro trains". Railway Gazette International. 30 March 2022. Archived from the original on 1 April 2022. Retrieved 4 April 2022.
  4. ↑ "横浜市営地下鉄ブルーラインに4000形を導入" [Introduced 4000 series to Yokohama Municipal Subway Blue Line]. Japan Railfan Magazine Online (in Japanese). Archived from the original on 26 December 2021. Retrieved 3 May 2022.
  5. ↑ "横浜市交通局向け地下鉄電車を受注" [Received an order for a subway train for the Yokohama City Transportation Bureau]. Kawasaki Online (in Japanese). 11 October 2018. Archived from the original on 21 July 2021. Retrieved 3 May 2022.
  6. ↑ "横浜市営地下鉄ブルーライン「4000形」2022年5月2日運行開始" [Yokohama Municipal Subway Blue Line "4000 type" starts operation on May 2, 2022]. Hamakei Online. 2 May 2022. Archived from the original on 2 May 2022. Retrieved 3 May 2022.
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