Keisei 3700 series

The Keisei 3700 series (京成3700形) is a commuter electric multiple unit (EMU) train type operated by the private railway operator Keisei Electric Railway in the Tokyo area of Japan since 1991.[1]

Keisei 3700 series
8-car set 3728 in March 2021
ManufacturerNippon Sharyo, Tokyu Car Corporation
Replaced3000 series
Constructed1991–2001
Entered service1991
Number built132 vehicles (17 sets)
Number in service98 vehicles (13 sets)
Formation8/6 cars per set (6M2T/4M2T)
Fleet numbers3708–3868
Operator(s)Keisei Electric Railway
Line(s) served
Specifications
Car body constructionStainless steel
Doors3 pairs per side
Maximum speed120 km/h (75 mph)
Traction systemVariable frequency (GTO)
Electric system(s)1,500 V DC
Current collector(s)Overhead catenary
Track gauge1,435 mm (4 ft 8+1⁄2 in)

Operations

The 3700 series eight-car sets operate on the Keisei Main Line between Keisei Ueno and Narita Airport, including inter-running services over the Toei Asakusa Line and Keikyu Main Line to and from Haneda Airport through the Keikyu Airport Line.[1] As of November 2014, the six-car sets are used solely on the Keisei Main Line.[1]

Formations

As of 1 March 2022,[2][3] the fleet consists of 10 eight-car sets and three six-car sets. The sets are formed as follows,[4] with car 1 at the Narita Airport end.

6-car sets

Six-car sets 3828 and 3838 are formed as shown below, with four motored ("M") cars and two non-powered trailer ("T") cars.[4]

Car No.123456
Designation M2cM1TTM1M2c
Numbering 38x138x238x338x438x538x6

The two M1 cars are each fitted with two single-arm pantographs.[4]

  • Six-car set 3828 in March 2012
    Six-car set 3828 in March 2012

Set 3748

Six-car set 3748 is formed as shown below.

Car No.123456
Designation M2cM1TTM1M2c
Numbering 374137423743374637473748

Car 2 is fitted with a cross-arm pantograph and a single-arm pantograph, and car 5 is fitted with two cross-arm pantographs.

  • Six-car set 3748 in December 2021
    Six-car set 3748 in December 2021

8-car sets

The eight-car sets are formed as shown below, with six motored ("M") cars and two non-powered trailer ("T") cars.[4]

Car No.12345678
Designation M2cM1TM2M1'TM1M2c
Numbering 3xx1 3xx2 3xx3 3xx4 3xx5 3xx6 3xx7 3xx8

The two M1 cars are each fitted with two pantographs, and the M1' car is fitted with one pantograph (cross-arm type for sets 3708 to 3818 and single-arm type for sets 3848 to 3868).[4]

  • Eight-car set 3738 with hexagonal skirt in May 1995
    Eight-car set 3738 with hexagonal skirt in May 1995
  • Eight-car set 3811 with original style front end in September 2020
    Eight-car set 3811 with original style front end in September 2020
  • Eight-car set 3848 with later style front end in March 2021
    Eight-car set 3848 with later style front end in March 2021

Interior
Longitudinal bench seating inside a 3700 series set in November 2014

Seating consists of longitudinal bench seating throughout.[1]

History

The first 3700 series sets were introduced in 1991, replacing the original 3000 series trains.[1] The first six-car sets were delivered in 2000.[1] Sets from the 6th batch onward (set 3828 onward) had restyled front ends with the headlights located near the roof. Two eight-car sets (3808 and 3748) were leased to the Hokuso Railway becoming Hokuso 7300 series sets 7808 and 7818, supplementing the two 7300 series sets owned by the Hokuso Railway.[4]

In 2017, eight-car set 3738 was converted and renumbered to become Chiba New Town Railway 9800 series set 9808, owned by the Chiba New Town Railway and operated by the Hokuso Railway.[5]

Eight-car set 3778 was transferred to the Hokuso Railway, becoming 7300 series set 7828. The transferred set began revenue service with the Hokuso Railway on 26 February 2018.[6]

In December 2021, eight-car set 3768 was leased to the Hokuso Railway and became 7300 series set 7838.[3] In addition, 7300 series set 7818 was returned to Keisei; it regained its original set number (3748) and was shortened to a six-car formation.[2]

  • Hokuso Railway 7300 series set 7828, formerly Keisei 3700 series set 3778, in July 2021
    Hokuso Railway 7300 series set 7828, formerly Keisei 3700 series set 3778, in July 2021
  • Chiba New Town Railway 9800 series set 9808, formerly Keisei 3700 series set 3738, in July 2021
    Chiba New Town Railway 9800 series set 9808, formerly Keisei 3700 series set 3738, in July 2021

References
  1. 私鉄車両年鑑2015 [Japan Private Railways Annual 2015] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 June 2015. p. 134. ISBN 978-4-8022-0003-5.
  2. "3700形3748編成(元北総7300形7818編成の6両)が宗吾車両基地出場試運転" [Keisei 3700 series set 3748 (6 cars of former Hokuso 7300 series set 7818)]. 2nd-train (in Japanese). Archived from the original on 31 January 2022. Retrieved 3 March 2022.
  3. "京成3700形3768編成が7300形7838編成となり回送" [Keisei 3700 series set 3768 becomes Hokuso 7300 series set 7838]. 2nd-train (in Japanese). Archived from the original on 19 December 2021. Retrieved 3 March 2022.
  4. 私鉄車両編成表 2016 [Private Railway Rolling Stock Formations - 2016] (in Japanese). Japan: Kotsu Shimbunsha. 25 July 2016. p. 27. ISBN 978-4-330-70116-5.
  5. 千葉ニュータウン鉄道9800形が営業運転を開始 [Chiba New Town Railway 9800 series enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 22 March 2017. Archived from the original on 24 March 2017. Retrieved 24 March 2017.
  6. 北総7300形7828編成が営業運転を開始 [Hokuso 7300 series set 7828 enters revenue service]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 1 March 2018. Archived from the original on 1 March 2018. Retrieved 1 March 2018.
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