Tokyu 2020 series

The Tokyu 2020 series (東急2020系, Tōkyū 2020-kei) is an electric multiple unit (EMU) commuter train type built by J-TREC and used by the Japanese private railway operator Tokyu Corporation in the Tokyo area since March 2018.[1] The 2020 series is used primarily on the Tokyu Den-en-toshi Line while its derivatives, the 3020 series (3020系, 3020-kei) and the 6020 series (6020系, 6020-kei), are used mainly on the Tokyu Meguro Line[2] and Tokyu Oimachi Line[3] respectively.

A Den-en-toshi Line 2020 series set in August 2021

Design

The 2020 series trains were built by Japan Transport Engineering Company (J-TREC) as part of its "Sustina S24 Series" family of 20-metre long four-door stainless steel cars.[4] The styling of the trains was overseen by Tanseisha, a company involved in designing commercial buildings along the Tokyu route.[1]

The classification "2020 series" for the trains was chosen to mark the year 2020 in which the Tokyo Olympics were scheduled to be held and in which Tokyu celebrated its 100th anniversary.[1]

Variants
  •   2020 series: 10-car sets used on the Tokyu Den-en-toshi Line since March 2018
  •   3020 series: 8-car (originally 6-car) sets used on the Tokyu Meguro Line since January 2020
  •   6020 series: 7-car sets used on the Tokyu Oimachi Line since March 2018

2020 series
Tokyu 2020 series
The first set, 2121, in October 2018
In serviceMarch 2018–Present
ManufacturerJ-TREC
DesignerTanseisha (overseer)
Built atNiitsu, Yokohama
Family nameSustina S24 series
Replaced2000 series (displaced to Oimachi Line)
All remaining 8500 series and 8590 series sets
Constructed2017–2022
Entered service28 March 2018
Number built300 vehicles (30 sets)
Number in service300 vehicles (30 sets)
Formation10 cars per trainset
Fleet numbers2121–2150
Operator(s)Tokyu logo Tokyu Corporation
Depot(s)Nagatsuta
Line(s) served
Specifications
Car body constructionStainless steel
Car length20.47 m (67 ft 2 in) (end cars)
20 m (65 ft 7+3⁄8 in)(intermediate cars)
Width2,788 mm (9 ft 1+3⁄4 in)
Height4.046 m (13 ft 3+1⁄4 in) (not including pantograph)
Floor height1,130 mm (3 ft 8+1⁄2 in)
Doors4 pairs per side
Maximum speed110 km/h (68.4 mph) (Design speed)
Traction systemVariable frequency (SiC-MOSFET)
Acceleration3.3 km/(h⋅s) (2.1 mph/s)
Deceleration4 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)Pantograph
BogiesTS-1041 (motored), TS-1042 (trailer)
Track gauge1,067 mm (3 ft 6 in)

Details of the 2020 series were officially announced on 17 March 2017.[1] Three ten-car sets (30 vehicles) are scheduled to be delivered during fiscal 2017, entering service in spring 2018,[5] with further sets introduced over the following years.[1] The first trainset, 2121, was delivered from the J-TREC factory in Yokohama in late November 2017, and shown off to the media on 30 November 2017.[6] The second trainset, 2122, was delivered from the J-TREC factory in Niitsu, Niigata, in February 2018.[7]

The first sets entered service on 28 March 2018.[8]

Interior

Passenger accommodation consists of high-back longitudinal seats.[1] In addition to passenger information screens placed above the doorways and car ends, LCD screens are also located above the seats.[1] Security cameras are installed in the cars.[1]

  • 2020 series interior view
    2020 series interior view

Formation

The trains are formed as follows, with five motored ("M") cars and five non-powered trailer ("T") cars, and car 1 at the Shibuya end.[5]

 
← Shibuya
Chūō-Rinkan →
 
Car No.12345678910
Designation  
KuHa 2120
(Tc2)		  
DeHa 2220
(M2)		 < >
DeHa 2320
(M1)		  
SaHa 2420
(T3)		  
SaHa 2520
(T2)		 <
DeHa 2620
(M3)		  
SaHa 2720
(T1)		  
DeHa 2820
(M2)		 < >
DeHa 2920
(M1)		  
KuHa 2020
(Tc1)
Equipment  VVVF
SIV		VVVF
CP		 VVVF VVVF
SIV		VVVF
CP		 
Weight (t) 31.533.533.527.827.532.027.533.531.4
Capacity (total/seated) 143/45155/48155/51143/45

Key

Build histories

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

Set No. Manufacturer Date delivered Notes
2121F J-TREC, Yokohama November 2017[6]
2122F J-TREC, Niitsu February 2018[7]
2123F February 2018[9]
2124F 6 June 2018
2125F 27 June 2018
2126F 30 October 2018 Car 3 is a former 6020 series car.
2127F 5 December 2018
2128F 6 March 2019[10]
2129F 27 March 2019
2130F 21 August 2019
2131F J-TREC, Yokohama 31 October 2019
2132F J-TREC, Niitsu 17 January 2020
2133F 14 February 2020
2134F 4 March 2020
2135F 25 March 2020
2136F 15 April 2020
2137F 13 May 2020
2138F J-TREC, Yokohama 17 September 2020
2139F J-TREC, Niitsu 6 August 2020
2140F 2 September 2020
2141F 9 December 2020
2142F 7 January 2021
2143F 18 March 2021
2144F 15 April 2021
2145F 23 May 2021
2146F 11 June 2021
2147F 15 July 2021
2148F 26 August 2021
2149F 22 December 2021
2150F May 2022 Final set[11]

3020 series
Tokyu 3020 series
A 3020 series train on the Toei Mita Line approaching Hasune in November 2022
ManufacturerJ-TREC
DesignerTanseisha (overseer)
Built atYokohama
Family nameSustina S24 series
Constructed2019
Entered service22 November 2019
Number built24 vehicles
Number in service24 vehicles (3 sets)
Formation8 cars per trainset
Originally: 6 cars per trainset
Fleet numbers3121–3123
Operator(s)Tokyu logo Tokyu Corporation
Line(s) servedMG Tokyu Meguro Line
SH Tokyu Shin-Yokohama Line
N Tokyo Metro Namboku Line
SR Saitama Rapid Railway Line
I Toei Mita Line
Sōtetsu Shin-Yokohama Line

Sōtetsu Main Line

Sōtetsu Izumino Line
Specifications
Car body constructionStainless steel
Doors4 pairs per side
Traction systemVariable frequency
Electric system(s)1,500 V DC overhead catenary
Current collector(s)Pantograph
Track gauge1,067 mm (3 ft 6 in)

On 26 March 2019, Tokyu Corporation announced the introduction of new 3020 series trains on their Meguro Line.[2] The first set of eight cars was delivered in April 2019.[12] A second set of eight cars was transferred from J-TREC in Yokohama to Nagatsuta in May 2019.[13] Trial runs on the Den-en-toshi Line began in June 2019.[14]

The first 3020 series set entered revenue service on 22 November 2019.[15]

Set 3123 was the first set to be lengthened to an eight-car formation, having re-entered service in April 2022. Another set 3121 was lengthened to an eight-car formation and re-entered service mid July 2022.[16] Finally on the 13 of August 2022, the remaining set 3122 was sent to Nagatsuta depot where it was lengthened to an eight-car formation.

Service commenced on the Tōkyū Shin-Yokohama Line in March 2023. As of June 2023, the 3020 series lacks equipment needed in order to through run on the Sōtetsu Shin-Yokohama Line and associated through services. Tokyu plans to install the required equipment to enable Sotetsu through service in the near future.[17] Set 3121 had officially entered service along the Sotetsu network on September 26, 2023, over a half year later of the opening of the Sōtetsu-Tokyu Link Line.

Interior

Passenger accommodation consists of high-back seating.[2] The trains are also fitted with security cameras and air purifiers.[18]

  • Interior view
    Interior view
  • Wheelchair space (right)
    Wheelchair space (right)
  • Passenger information displays
    Passenger information displays

Formation

The trains are operated as eight-car sets. They were originally built as such, but were initially operated as six-car sets, with two cars per set stored until 2022, when platform doors were extended to fit 8-car trains as part of Tokyu Corporation's strategy to cope with high demand on the Meguro Line and for the opening of the Sōtetsu Tōkyū Link Line.[2][19] All three trainsets are distinguished with an “8-Cars” sticker located on the front window of the first and last cars, and are formed as follows:

 
← Meguro
Hiyoshi →
 
Car No. 1 2 3 4 5 6 7 8
Designation  
KuHa 3120
(Tc2)		  
DeHa 3220
(M2B)		 < >
DeHa 3320
(M1B)		  
SaHa 3420
(T2)		  
SaHa 3520
(T1)		  
DeHa 3620
(M2A)		 < >
DeHa 3720
(M1A)		  
KuHa 3820
(Tc1)
Equipment BT VVVF
SIV		 VVVF
CP		 T T VVVF
SIV		 VVVF
CP		 BT
Weight (t) 31.5 33.3 33.3 33.3 33.3 33.3 33.3 31.9
Numbering 3121
:
3123		 3221
:
3223		 3321
:
3323		 3421
:
3423		 3521
:
3523		 3621
:
3623		 3721
:
3723		 3821
:
3823

Key

Initial 6-car set formation

The original six-car formation was as follows:[20]

 
← Meguro
Hiyoshi →
 
Car No. 1 2 3 4 5 6
Designation  
KuHa 3120
(Tc2)		  
DeHa 3220
(M2B)		 < >
DeHa 3320
(M1B)		  
DeHa 3620
(M2A)		 < >
DeHa 3720
(M1A)		  
KuHa 3820
(Tc1)
Equipment BT VVVF
SIV		 VVVF
CP		 VVVF
SIV		 VVVF
CP		 BT
Weight (t) 31.5 33.3 33.3 33.3 33.3 31.9
Numbering 3121
:
3123		 3221
:
3223		 3321
:
3323		 3621
:
3623		 3721
:
3723		 3821
:
3823

Key
  • 6-car set on the Toei Mita Line in June 2021
    6-car set on the Toei Mita Line in June 2021

Build histories

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

Set No. Manufacturer Date delivered
3121F J-TREC, Yokohama April 2019[12]
3122F May 2019[13]
3123F July 2019[21]

6020 series
Tokyu 6020 series
Set 6121 in service in December 2018
In serviceMarch 2018 – Present
ManufacturerJ-TREC
DesignerTanseisha (overseer)
Built atYokohama
Family nameSustina S24 series
Constructed2017–2018
Entered service28 March 2018
Number built16 vehicles
Number in service14 vehicles (2 sets)
Formation7 cars per trainset
Fleet numbers6121–6122
Operator(s)Tokyu logo Tokyu Corporation
Line(s) served
Specifications
Car body constructionStainless steel
Car length20 m (65 ft 7+3⁄8 in)
Doors4 pairs per side
Electric system(s)1,500 V DC Overhead catenary
Current collector(s)Pantograph
Track gauge1,067 mm (3 ft 6 in)

Details of the 6020 series were officially announced on 12 October 2017.[3] The first set was delivered from the J-TREC factory in Yokohama in December 2017,[23] followed by a second in January 2018.

The first sets entered service on 28 March 2018.[8]

In both sets, car 3 was replaced by a new-build "Q Seat" car built in October 2018. The outgoing cars were subsequently used in 2020 series sets 2126F and 2127F. The Q Seat cars are usually arranged in longitudinal mode, but on specific evening express trains from Ōimachi to Nagatsuta, they are arranged in transverse mode and can be used only with a reservation by paying a small surcharge.[22]

  • Q Seat car
    Q Seat car

Interior

Passenger accommodation consists of high-back longitudinal seating throughout,[3] except car 3, which is a "Q Seat" car that features rotating pairs of seats that can be arranged in longitudinal mode or transverse mode.[22] Security cameras are installed in the cars.[3]

  • Interior view
    Interior view
  • Interior view of a Q Seat car
    Interior view of a Q Seat car
  • Rotating seat
    Rotating seat

Build histories

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

Set No. Manufacturer Date delivered
6121 J-TREC, Yokohama December 2017[23]
6122 January 2018[24]

Special liveries

On 10 April 2022, 3020 series set 3021 received a special livery to commemorate the 100th anniversary of Tokyu Corporation's founding.[25][26] A 2020 series set is also due to receive the commemorative livery from 17 April.[26]

On 17 April 2023, 3020 series set 3022 received a colorful rainbow Sustainable Development Goals (SDGs) livery. [17]

References

This article incorporates material from the corresponding article in the Japanese Wikipedia.

  1. Ueshin, Daisuke (17 March 2017). 東急田園都市線2020系、新型車両は「これまでにない新しさ」2018年春導入へ [New Tokyu Denentoshi Line 2020 series trains to be introduced in spring 2018]. Mynavi News (in Japanese). Japan. Archived from the original on 19 March 2017. Retrieved 19 March 2017.
  2. Ueshin, Daisuke (26 March 2019). "東急電鉄3020系、目黒線に新型車両 - 今秋から6両編成を3編成導入" [Tokyu Corporation 3020 series, new trains on Meguro Line - 3 trains introduced in 6 car formation from this fall]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 17 January 2021. Retrieved 24 July 2019.
  3. Ueshin, Daisuke (12 October 2017). 東急大井町線、新型車両6020系を来春導入! 急行を7両編成化、3月ダイヤ改正 [New Tokyu Omimachi Line 6020 series trains to be introduced next spring - express services to be lengthened to 7 cars by March timetable revision]. Mynavi News (in Japanese). Japan. Archived from the original on 12 October 2017. Retrieved 12 October 2017.
  4. 総合車両製作所、東急2020系製造を担当 『sustina S24シリーズ』 [J-TREC to be in charge of Tokyu 2020 series manufacture - "Sustina S24 Series"]. Tetsudo Shimbun (in Japanese). Japan. 22 March 2017. Archived from the original on 22 March 2017. Retrieved 22 March 2017.
  5. 東急2020系 [Tokyu 2020 series]. Japan Railfan Magazine (in Japanese). Vol. 58, no. 683. Japan: Koyusha Co., Ltd. March 2018. pp. 72–73.
  6. 東急，2020系を公開 [Tokyu 2020 series shown off]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 30 November 2017. Archived from the original on 30 November 2017. Retrieved 30 November 2017.
  7. 新津製の東急2020系が甲種輸送される [Niitsu-built Tokyu 2020 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 7 February 2018. Archived from the original on 9 February 2018. Retrieved 9 February 2018.
  8. 東急2020系・6020系、新型車両3/28デビューへ - 特別列車も登場 [Tokyu 2020 and 6020 series to enter service on 28 March with a special service]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 24 March 2018. Archived from the original on 27 March 2018. Retrieved 27 March 2018.
  9. 東急2020系第3編成が甲種輸送される [Third Tokyu 2020 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 21 February 2018. Archived from the original on 21 February 2018. Retrieved 21 February 2018.
  10. 東急2020系2128編成が甲種輸送される [Tokyu 2020 series set 2128 transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 7 March 2019. Retrieved 3 June 2022.
  11. 東急2020系製造完了！ 2150編成を新津から甲種輸送 [Tokyu 2020 series production completed! Set 2150 transported from Niitsu]. Tetsudo Hobidas. Japan: Neko Publishing. 24 May 2022. Retrieved 3 June 2022.
  12. "目黒線用3020系が甲種輸送される" [Meguro Line 3020 series will be transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 10 April 2019. Archived from the original on 4 March 2021. Retrieved 24 July 2019.
  13. "東急3020系第2編成が甲種輸送される" [The Tokyu 3020 series second formation will be transported]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 31 May 2019. Archived from the original on 22 January 2021. Retrieved 24 July 2019.
  14. "東急3020系が6両編成で試運転を実施" [The Tokyu 3020 series carries out trial operation with a six-car train]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 June 2019. Archived from the original on 12 August 2020. Retrieved 24 July 2019.
  15. 【東急】目黒線・新横浜線向け新形式 3020系が営業運転開始！ [[Tokyu] New 3020 series for Meguro Line and Shin-Yokohama Line starts commercial operation!]. Train Fan Waiting Room (in Japanese). Archived from the original on 2 February 2023. Retrieved 24 June 2023.
  16. "東急目黒線・東京メトロ南北線など、8両編成の列車が営業運転開始". Mynavi News (in Japanese). 5 April 2022. Retrieved 5 April 2022.
  17. "「近いうちに相鉄線へ」東急3020系 車体の上半分だけ虹色カラフルに 新SDGsトレイン登場" ['Soon to the Sotetsu Line" Upper half of the 3020 series gains colorful rainbow SDGs livery]. Traffic News (in Japanese). 18 April 2023. Archived from the original on 22 April 2023. Retrieved 24 June 2023.
  18. "東急目黒線に3020系を導入へ東急新横浜線開業までに8両編成化も実施" [To introduce 3020 series to the Tokyu Meguro Line Also 8-car organization by the opening of the Tokyu Shin-Yokohama Line]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 26 March 2019. Archived from the original on 3 October 2020. Retrieved 24 July 2019.
  19. Ueshin, Daisuke (26 March 2019). "東急電鉄、新型車両含む目黒線26編成を8両化 - 2022年度上期から" [Tokyu Corporation, the Meguro Line 26 sets including new vehicles will be eight cars - from the first half of fiscal 2022]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 28 September 2020. Retrieved 24 July 2019.
  20. "新車ガイド 東急電鉄3020系" [New car guide: Tokyu Corporation 3020 series]. 鉄道ファン (in Japanese). 704: 52–56. December 2019.
  21. 東急3020系3123編成が甲種輸送される [Tokyu 3020 series train 3123 is transported]. Japan Railfan Magazine Online (in Japanese). 10 July 2019. Archived from the original on 8 December 2022. Retrieved 24 June 2023.
  22. "２０１８年１２月１４日（金）より、大井町線の有料座席指定サービス「Ｑ ＳＥＡＴ」を開始します！" ["Q Seat" reserved seat service on the Ōimachi Line begins 14 December 2018!] (PDF). 23 October 2018. Archived (PDF) from the original on 2 September 2021. Retrieved 16 October 2021.
  23. 東急6020系が甲種輸送される [Tokyu 6020 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 28 December 2017. Archived from the original on 28 December 2017. Retrieved 28 December 2017.
  24. 東急6020系第2編成が甲種輸送される [Second Tokyu 6020 series delivered]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 25 January 2018. Archived from the original on 25 February 2018. Retrieved 25 February 2018.
  25. "特別企画列車「東急グループ100周年トレイン」を運転" [Tokyu to operate special 100th anniversary trains]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 29 March 2022. Archived from the original on 2 April 2022. Retrieved 29 March 2022.
  26. "「東急グループ100周年トレイン」目黒線3020系ラッピング車両公開" ["Tokyu Group 100th Anniversary Train"-wrapped Meguro Line 3020 series released]. Mynavi News (in Japanese). Mynavi Corporation. 10 April 2022. Retrieved 10 April 2022.
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