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Keio 5000 series
Set 5733 in November 2021
Manufacturer	J-TREC
Designer	Kazuhiko Saito, Taro Shiono
Built at	Yokohama
Family name	Sustina
Constructed	2017–Present
Entered service	29 September 2017
Number under construction	20 vehicles (2 sets)
Number built	80 vehicles (8 sets)
Number in service	80 vehicles (8 sets)
Formation	10 cars per trainset
Fleet numbers	5731–
Operators	Keio Corporation
Lines served	KO Keio Line KO Keio Sagamihara Line S Toei Shinjuku Line
Specifications
Car body construction	Stainless steel
Car length	20,440 mm (67 ft 1 in) (end cars) 20,000 mm (65 ft 7 in) (intermediate cars)
Width	2,800 mm (9 ft 2 in)
Height	4,090 mm (13 ft 5 in)
Doors	4 pairs per side
Maximum speed	130 km/h (81 mph) (design)
Traction system	Hitachi 2-level VVVF (SiC-IGBT hybrid module)
Traction motors	Hitachi totally enclosed 3-phase squirrel-cage induction motor
Power output	150 kW × 4 per motored car
Acceleration	3.3 km/(h⋅s) (2.1 mph/s)
Deceleration	4.0 km/(h⋅s) (2.5 mph/s) (service) 4.5 km/(h⋅s) (2.8 mph/s) (emergency)
Electric system(s)	1,500 V DC overhead catenary
Current collector(s)	Single-arm pantograph
Bogies	TS-1017C (motored) TS-1018CD (trailer)
Braking system(s)	Regenerative braking with electronically controlled pneumatic brakes
Track gauge	1,372 mm (4 ft 6 in)

The Keio 5000 series (京王電鉄5000系) is an electric multiple unit (EMU) commuter train type operated by the private railway operator Keio Corporation in the Tokyo area of Japan since 29 September 2017. A total of six ten-car trainsets were built by J-TREC. The trains feature rotating seats that can be arranged longitudinally for daytime services and in forward-facing transverse pairs for reserved-seat Keio Liner commuter services in the evenings which started on 22 February 2018.

Design

Designed by Kazuhiko Saito and Taro Shiono, the Keio 5000 series is designed to be used in a broad range of scenarios by pursuing high degrees of ride quality. The interior features motifs inspired by the trees of Mount Takao. The train type was a recipient of the Good Design Award in 2017.

• A 5000 series TS-1018CD trailer bogie
• External information display
• External information display in English
• Driver's cab

Formation

The ten-car trains are formed as follows, with six motored ("M") cars and four non-powered trailer ("T") cars, and car 10 at the Shinjuku (eastern) end.

Cars 2, 3, 6, 8, and 9 each have one single-arm pantograph.

Interior

Passenger accommodation consists of rotating pairs of seats that can be arranged in longitudinal configuration for regular daytime services or in transverse forward-facing configuration for reserved-seat evening commuter services from Shinjuku in Tokyo to Keio Hachioji and Hashimoto. LED lighting is used in the interiors, and pairs of LCD passenger information screens are provided both above the doorways and suspended from the ceilings. Free WiFi and AC power sockets are provided. Space for wheelchairs and pushchairs are provided in each car.

• The interior with seats arranged in longitudinal configuration
• The interior with seats arranged in transverse configuration
• Two-person rotating seat
• Electrical outlets
• Three-person seating at a car end
• Ceiling-mounted LCD passenger information screens
• Passenger door-mounted LCD passenger information screens
• Internal doorway-mounted LCD passenger information screens

History

Details of the new trains were officially announced in March 2016. Between April and May 2017, Keio held a public poll to choose the brand name for the new reserved-seat services starting in spring 2018. The name Keio Liner was announced on 24 January 2018, chosen from the following five candidates.

1. Keio Liner (京王ライナー)
2. Keio Smart Liner (京王スマートライナー)
3. Keio Prime Liner (京王プライムライナー)
4. Luxpress
5. Westar

The fleet of five ten-car 5000 series trainsets was built by Japan Transport Engineering Company ("J-TREC") at a total cost of approximately JPY10 billion.

The first trainset was delivered to Wakabadai Depot from the J-TREC factory in Yokohama in late June 2017, and unveiled to the media on 19 July 2017. It entered revenue service on 29 September 2017. The fifth set was in service by January 2018.

Reserved-seat Keio Liner services from Shinjuku Station commenced on 22 February 2018. Inbound Keio Liner trains to Shinjuku will begin on 22 February 2019.

The order of a sixth set was announced in April 2019. The set was delivered in December 2019.

Future plans

Keio plans to upgrade the seats on the 5000 series to include a reclining function. The program aims to begin revenue operation later in 2022.

The updated seating was installed on a new 7th set. This new set, 5737, debuted on 24 December 2022.

On 10 May 2024, Keio announced that as part of its fiscal 2024 capital investment plan, two more 5000 series sets are scheduled to be delivered to boost the frequency of Keio Liner services.

Build histories

The manufacturers and delivery dates for the fleet are as shown below.

See also

• Seibu 40000 series, a Seibu Railway commuter EMU type that also features rotating longitudinal/transverse seating
• Tobu 50090 series and 70090 series, Tobu Railway commuter EMU types that also feature rotating longitudinal/transverse seating
• Keikyu N1000 series, a Keikyu commuter EMU type that features rotating transverse seating (batches 20 and 21 only)
• Kintetsu 5800 series, the first EMU commuter trains delivered with rotating longitudinal/transverse seating
• Kintetsu 5820 series, a similar type with changing seat configurations operating for Kintetsu Railway, the curators of the design

References

1. ^ "MODEL 5000 Keio Corporation [MODEL 5000 Keio Corporation]". Good Design Award. Retrieved 23 November 2021.
2. ^ 京王電鉄5000系 [Keio Corporation 5000 series]. Japan Railfan Magazine (in Japanese). Vol. 57, no. 679. Japan: Koyusha Co., Ltd. November 2017. p. 52-57.
3. ^ Ueshin, Daisuke (26 April 2017). 京王電鉄5000系、新型車両9月デビュー! 有料座席指定列車の愛称投票も実施 [New Keio Corporation 5000 series trains to debut in September! Poll to be held for paid reserved-seat service name]. Mynavi News (in Japanese). Japan. Archived from the original on 12 June 2017. Retrieved 12 June 2017.
4. ^ 京王電鉄の新型「５０００系」、新宿～八王子・橋本で座席指定列車運行 [New Keio 5000 series trains to operate on reserved-seat services between Shinjuku and Hachioji/Hashimoto]. SankeiBiz (in Japanese). Japan: Sankei Digital Inc. 16 March 2016. Archived from the original on 19 May 2016. Retrieved 28 February 2017.
5. ^ Ueshin, Daisuke (16 March 2016). 京王電鉄5000系、座席指定列車の新型車両を50両導入 - 2018年春運行開始へ [Keio Corporation to introduce 50 5000 series vehicles for reserved-seat services starting in spring 2018]. Mynavi News (in Japanese). Japan. Archived from the original on 18 March 2016. Retrieved 28 February 2017.
6. 京王線の座席指定列車、愛称は「京王ライナー」 [Brand name "Keio Liner" chosen for Keio Line reserved-seat train]. Sankei News (in Japanese). Japan: The Sankei Shimbun & Sankei Digital. 24 January 2018. Archived from the original on 25 January 2018. Retrieved 26 February 2018.
7. 【京王】新5000系 若葉台検車区へ搬入 [Keio new 5000 series delivered to Wakabadai Depot]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co., Ltd. 30 June 2017. Archived from the original on 30 June 2017. Retrieved 30 June 2017.
8. 京王5000系が公開される [Keio 5000 series shown off]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 19 July 2017. Archived from the original on 19 July 2017. Retrieved 19 July 2017.
9. 京王5000系営業運転開始 [Keio 5000 series enters revenue service]. Tetsudo Hobidas (in Japanese). Japan: Neko Publishing Co., Ltd. 29 September 2017. Archived from the original on 29 September 2017. Retrieved 29 September 2017.
10. 京王5000系第5編成が営業運転を開始 [Keio 5000 series 5th set enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 7 January 2018. Archived from the original on 8 January 2018. Retrieved 9 January 2018.
11. “京王ライナー”の運転開始 ["Keio Liner" services start]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 23 February 2018. Archived from the original on 26 February 2018. Retrieved 26 February 2018.
12. "京王線・井の頭線のダイヤ改正を実施します" (PDF) (Press release) (in Japanese). Keio Corporation. 22 January 2019. Retrieved 19 February 2019.
13. Ueshin, Daisuke (26 April 2019). "京王電鉄5000系1編成増備「京王ライナー」さらなる運行拡大めざす" [Keio Electric Railway 5000 series 1 set increase "Keio Liner", Aiming for further operation expansion]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 14 January 2020. Retrieved 14 January 2020.
14. ^ "【京王】5000系5736編成の話題" [(Keio) 5000 series set 5736 topic]. rail.hobidas.com (in Japanese). Neko Publishing. 24 December 2019. Archived from the original on 14 January 2020. Retrieved 14 January 2020.
15. "京王、リクライニング機能付きのロング・クロス転換座席を2022年導入" [Keio Introduces Long Cross Convertible Seats with Reclining Function in 2022]. Tetsudo.com (in Japanese). 14 April 2021. Archived from the original on 18 May 2021. Retrieved 28 October 2022.
16. "京王電鉄5000系新造車両「初乗り体験会」座席にリクライニング機能" [New Keio 5000 Series Set Debuts with Updated Seating]. MyNavi Corporation (in Japanese). 24 December 2022. Archived from the original on 24 December 2022. Retrieved 25 December 2022.
17. "京王，2024年度の設備投資計画を発表" [Keio announces capital investment plan for 2024]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 May 2024. Retrieved 23 May 2024.
18. 私鉄車両のうごき [Private railway rolling stock changes]. Tetsudo Daiya Joho Magazine (in Japanese). Vol. 47, no. 405. Japan: Kotsu Shimbun. January 2018. p. 104.
19. "京王5000系5738編成が営業運転を開始" [Keio 5000 series set 5738 begins commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 4 March 2024. Retrieved 23 May 2024.

External links

• Official news release (in Japanese)

• Electric multiple units of Japan
• Keio Corporation
• Train-related introductions in 2017
• 1500 V DC multiple units of Japan
• J-TREC multiple units