E7 and W7 Series Shinkansen

The E7 series (E7系, E-nana-kei) and W7 series (W7系, Daburu-nana-kei) Shinkansen are Japanese high-speed train types operated by East Japan Railway Company (JR East) and West Japan Railway Company (JR West), respectively. They were jointly developed.

E7 & W7 series
E7 series set F19 on an Asama service in February 2021
In service
  • 15 March 2014 (2014-03-15) – Present (E7)
  • 14 March 2015 (2015-03-14) – Present (W7)
Manufacturer
DesignerKen Okuyama
ReplacedE2 series, E4 series
Constructed2013–
Number built672 vehicles (56 sets) (as of 17 January 2023)
Number in service540 vehicles (45 sets)
Number scrapped120 vehicles (8 E7 sets, 2 W7 sets; flood damage)
Formation12 cars per set
Fleet numbersF1–F36; F40-F44; F47; W1–W14
Capacity934
Operator(s)JR East, JR West
Depot(s)Hakusan, Nagano, Niigata
Line(s) servedHokuriku Shinkansen, Jōetsu Shinkansen
Specifications
Car body constructionAluminium alloy
Car length26 m (85 ft 4 in) (end cars)
25 m (82 ft 0 in) (intermediate cars)
Width3,380 mm (11 ft 1 in)
Height3,650 mm (12 ft 0 in)
Doors2 sliding doors per side
Maximum speed
  • Service:
  • 275 km/h (170 mph) (Jōetsu Shinkansen)
  • 260 km/h (160 mph) (Hokuriku Shinkansen)
  • Design:
  • 275 km/h (170 mph)
Weightapprox. 540 t
Power output12 MW
Acceleration1.6 km/(h⋅s) (1.0 mph/s)
Electric system(s)25 kV 50/60 Hz AC catenary
Current collector(s)Single-arm pantograph
Safety system(s)DS-ATC, RS-ATC
Track gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
Notes/references
This train won the 58th Blue Ribbon Award in 2015.
W7 series set W3 in August 2020

The E7 series has operated since 15 March 2014.[1][2] It also operates on the Jōetsu Shinkansen following the March 2019 timetable revision.

The W7 series has operated on the Hokuriku Shinkansen since it was extended from Nagano to Kanazawa in March 2015.[2] A total of eleven 12-car W7 series sets (132 vehicles) have been built. The first W7 series train was delivered in April 2014.[3]

Design

Based on the earlier E2 series trains, the E7 series trains are designed with a "Japanese" theme inside and out, combining futuristic styling with traditional design elements overseen by industrial designer Ken Okuyama together with Kawasaki Heavy Industries.[4] Externally, the roof is finished in a "sky blue" color, and the body sides are "ivory white" with "copper" and "sky blue" lining.[5] The body side logos consist of a number "7" in silver stylized as an arrowhead, and include the lettering "East Japan Railway Company" or "West Japan Railway Company".[6]

  • E7 Logo on the side of car 12
    E7 Logo on the side of car 12
  • W7 Bodyside logo on car 12
    W7 Bodyside logo on car 12

Manufacture of the E7 series sets was shared between Hitachi in Kudamatsu, Yamaguchi and Kawasaki Heavy Industries in Kobe;[7] additionally the E7 in J-TREC in Yokohama, and W7 in Kinki Sharyo in Osaka.

The trains have a maximum design speed of 275 km/h (170 mph),[8] but operate at a maximum speed of 260 km/h (160 mph) on the Hokuriku Shinkansen, limited to 240 km/h (150 mph) on the Jōetsu Shinkansen tracks between Omiya and Takasaki, and to 110 km/h (70 mph) on the Tohoku Shinkansen tracks between Tokyo and Omiya.[2] Increased power output enables the trains to maintain speeds of at least 210 km/h (130 mph) on the steep gradients of the Hokuriku Shinkansen.[9]

Car 12 (Gran Class) is equipped with full active suspension, and the other cars are equipped with semi-active suspension.[8]

Operations
  • Kagayaki (Tokyo - Kanazawa), since March 2015
  • Hakutaka (Tokyo - Kanazawa), since March 2015
  • Tsurugi (Toyama - Kanazawa), since March 2015
  • Asama (Tokyo - Nagano), since March 2014 (E7) and March 2015 (W7)
  • Toki (Tokyo - Niigata), since March 2019 (E7)[10]
  • Tanigawa (Tokyo - Echigo-Yuzawa), since 3 March 2019 (E7)


The trains entered regular passenger service from the start of the revised JR East timetable on 15 March 2014, with three trainsets introduced on Asama services on the Hokuriku Shinkansen (then still called the Nagano Shinkansen) between Tokyo and Nagano.[1] Initially, E7 series trainsets operated seven return Asama services daily, with a further four return workings added from 19 April 2014.[1]

Since 14 March 2015, with the opening of the Hokuriku Shinkansen extension from Nagano to Kanazawa, E7 series trainsets are also used on Hakutaka, Kagayaki, and Tsurugi services alongside the similar design JR West W7 series trains.[11]

Interior

The 12-car trains have accommodation in three levels of service: Gran Class, Green car, and ordinary-class cars, with a total seating capacity of 934.[2] Gran Class seating (car 12) is arranged 2+1 abreast with a seat pitch of 1,300 mm (51 in), Green car seating (car 11) is arranged 2+2 abreast with a seat pitch of 1,160 mm (46 in), and ordinary seating (cars 1 to 10) is arranged 3+2 abreast with a seat pitch of 1,040 mm (41 in).[8] AC power outlets are provided for each seat in all three classes.[8] The Gran class seats are supplied by Toyota Boshoku.[12] Car saloons and vestibule areas are equipped with security cameras.[5] Between October and December 2015, luggage racks are scheduled to be added at one end of each of the even-numbered ordinary class cars and also in Green car 11, by removing a pair of seats (1D and 1E). The luggage racks are to cater to the increased number of overseas tourists with suitcases and also passengers with ski and snowboard equipment in the winter season.[13]

  • Interior of Gran Class car E714-5 (car 12) in May 2022
    Interior of Gran Class car E714-5 (car 12) in May 2022
  • Gran Class seating in May 2022
    Gran Class seating in May 2022
  • Interior of Green car E715-5 (car 11) in May 2022
    Interior of Green car E715-5 (car 11) in May 2022
  • Interior of ordinary-class car E725-409 (car 7) in February 2022
    Interior of ordinary-class car E725-409 (car 7) in February 2022
  • The toilet in ordinary car 7 in February 2022
    The toilet in ordinary car 7 in February 2022
  • The Multipurpose room in February 2022
    The Multipurpose room in February 2022
  • Interior of a Green car (car 11)
    Interior of a Green car (car 11)
  • Green car seating
    Green car seating
  • The toilet in Green car 11
    The toilet in Green car 11
  • Interior of an ordinary-class car
    Interior of an ordinary-class car
  • Ordinary-class seating (3-abreast row)
    Ordinary-class seating (3-abreast row)

Formations

The E7 series sets are numbered "F1" onward,[8] and the W7 series sets are numbered "W1" onward.[14] All sets consist of 10 motored intermediate cars with non-powered (trailer) end cars.[8] Car 11 provides Green car (first class) accommodation, and car 12 provides Gran Class luxury accommodation.[8] Sets are formed as shown below, with car 1 at the Tokyo end.[15]

E7 series
Car No. 123456789101112
Designation TcM2M1M2M1M2M1M2M1M2M1sTsc
Numbering E723E726-100E725E726-200E725-100E726-300E725-200E726-400E725-400E726-500E715E714
Weight (t) 41.344.746.145.246.445.246.545.246.445.045.644.5
Capacity 5010085100859058100851006318
Facilities Toilets Toilets, phone Toilets Wheelchair space, universal access toilet, phone Toilets Wheelchair space, universal access toiletToilets
W7 series
Car No. 123456789101112
Designation TcM2M1M2M1M2M1M2M1M2M1sTsc
Numbering W723-100W726-100W725-100W726-200W725-200W726-300W725-300W726-400W725-400W726-500W715-500W714-500
Weight (t) 41.344.746.145.246.445.246.545.246.445.045.644.5
Capacity 5010085100859058100851006318
Facilities Toilets Toilets, phone Toilets Wheelchair space, universal access toilet, phone Toilets Wheelchair space, universal access toiletToilets

Cars 3 and 7 are each equipped with a single-arm pantograph.[14][15]

Build histories

As of 1 April 2021, 32 E7 series sets and 11 W7 series sets have been built, with build details as follows.[16][17] Eight E7 series sets and two W7 series sets were withdrawn in 2019 following flood damage sustained during Typhoon Hagibis.[18]

E7 series fleet
Set No.ManufacturerDelivery date Date Withdrawn Remark
F1Kawasaki Heavy Industries27 November 2013[19] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F2Hitachi25 December 2013[19] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F330 January 2014[19]
F4Kawasaki Heavy Industries24 February 2014[19]
F518 March 2014[19]
F62 June 2014[20]
F7J-TREC Yokohama26 June 2014[20] 5 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F814 July 2014[20] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F927 August 2014[20]
F10Hitachi16 September 2014[20] 14 January 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F11J-TREC Yokohama6 October 2014[20]
F1210 November 2014[20]
F13Hitachi19 December 2014[20]
F1419 January 2015[20] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F15Kawasaki Heavy Industries6 February 2015[20]
F16Hitachi8 April 2015[21] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F17Kawasaki Heavy Industries6 March 2015[20]
F18J-TREC Yokohama26 October 2015[21] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
F19Kawasaki Heavy Industries3 April 2017[22]
F2031 October 2018[23]
F21Hitachi20 November 2018[23]
F22Kawasaki Heavy Industries5 December 2018[23]
F23Hitachi8 September 2019[24]
F248 September 2019[24]
F25Kawasaki Heavy Industries7 October 2019[24]
F26Hitachi11 November 2019[24]
F2724 January 2020[24]
F28J-TREC Yokohama25 January 2022[25]
F29Kawasaki Heavy Industries9 November 2020[26]
F303 December 2020[26]
F31Hitachi26 February 2021[26]
F32 Kawasaki Heavy Industries 11 May 2021[25]
F33 Hitachi 17 August 2021[25]
F34 6 October 2021[25]
F35 J-TREC Yokohama 9 November 2021[25]
F36 Kawasaki Railcar Manufacturing 21 October 2021[25]
F40 Hitachi 12 May 2021[25]
F41 4 June 2021[25]
F42 Kawasaki Heavy Industries 7 June 2021[25]
F43 J-TREC Yokohama 2 August 2021[25]
F44 Hitachi 14 January 2022[25]
F47 January 2023[27]
W7 series fleet
Set No.ManufacturerDelivery date Date Withdrawn Remark
W1Kawasaki Heavy Industries30 April 2014[19]
W2Hitachi5 June 2014[19] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
W3Kawasaki Heavy Industries30 June 2014[19]
W4Hitachi18 July 2014[20]
W5Kawasaki Heavy Industries21 August 2014[20]
W611 September 2014[20]
W7Kinki Sharyo27 September 2014[20] 31 March 2020 Withdrawn due to flood damage sustained from Typhoon Hagibis[18]
W8Hitachi15 October 2014[20]
W93 November 2014[20]
W10Kinki Sharyo26 December 2014[20]
W11Hitachi17 September 2015[21]
W12 29 October 2021[25]
W13 8 December 2021[25]
W14 31 March 2022[25]

History
Cars of the first W7 series set, W1, being unloaded at Kanazawa Port in April 2014

In December 2011, the Mainichi Shimbun reported that JR East was considering developing new E7 series 10-car sets based on the existing E2 series design for use on Hokuriku Shinkansen services.[28] In January 2012, the head of JR-West's Kanazawa Division revealed that new trains for the Hokuriku Shinkansen would be developed in conjunction with JR East, and that test running would need to be conducted during the winter season a year before the line opening to thoroughly test the ability of the trains to cope with snowy conditions.[29] Details of the new trains were formally announced jointly by JR East and JR West on 4 September 2012.[5]

The first E7 series train was delivered to Sendai Depot in November 2013, and shown off to the media on 28 November.[30] Night-time testing commenced in December 2013 on the Nagano Shinkansen, with daytime test-running between Nagano and Tokyo starting on 8 January 2014.[31] The design of the logo to be applied to the sides of cars 1 and 12 was officially unveiled in February 2014.[6]

The first three trains, sets F1 to F3, entered regular passenger service from the start of the revised JR East timetable on 15 March 2014.[32] The entire fleet of 17 sets, numbered F1 to F17, was delivered by the start of the 14 March 2015 timetable revision, although sets F16 and F17 did not enter revenue service until after this date.[32]

The first W7 series train was delivered from Kawasaki Heavy Industries in Kobe to Hakusan Depot in Hakusan, Ishikawa in April 2014.[3] Test-running on the Hokuriku Shinkansen began on 5 August 2014, initially at low speed, between Kanazawa and Jōetsumyōkō.[33]

In April 2015, JR East announced that it was ordering an additional E7 series set to be introduced from autumn 2015, replacing the remaining E2 series trainsets used on regularly scheduled Hokuriku Shinkansen Asama services.[34]

In May 2015, the W7 series and E7 series were awarded the 2015 Blue Ribbon Award, presented annually by the Japan Railfan Club.[35] A presentation ceremony was held at JR West's Hakusan Depot on 24 October 2015.[36]

On 12 October 2019, eight E7 series and two W7 series trains were damaged due to floodwaters from Typhoon Hagibis while they were stored at JR East Nagano Shinkansen Vehicle center.[37] The sets were scrapped shortly thereafter.[18][38][39]

In November 2021, JR East demonstrated autonomous operation with an E7 set in [[Niigata prefecture] traveling 5 kilometres (3.1 mi) between Niigata Station and Niigata Shinkansen Rolling Stock Center. They started testing on 29 October.[40]

From the start of the revised timetable on 18 March 2023, all train services on the Joetsu Shinkansen will be operated solely by E7 series sets as the line undergoes an operating speed increase from 240 to 275 km/h (150 to 170 mph).[41] The trains will replace the older E2 series sets in the process.

See also

References
  1. 3月15日ダイヤ改正と各地の話題 [15 March timetable revision and topics from around the regions]. Tetsudō Daiya Jōhō Magazine (in Japanese). Vol. 43, no. 361. Japan: Kōtsū Shimbun. May 2014. p. 12.
  2. "E7系・W7系新幹線電車" [E7/W7 series shinkansen EMU]. Japan Railfan Magazine. Vol. 52, no. 619. Japan: Koyusha Co., Ltd. November 2012. pp. 48–49.
  3. Ｗ７系、３０日に石川初走行 白山車両所 [W7 runs for first time inside Hakusan Depot]. The Hokkoku Shimbun (in Japanese). Japan. 24 April 2014. Archived from the original on 30 August 2014. Retrieved 27 May 2014.
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