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{{short description|An electric multiple unit train type operated in Japan by Tobu Railway}}
{{short description|Electric multiple unit train type operated in Japan by Tobu Railway}}
{{Use dmy dates|date=September 2020}}
{{Use dmy dates|date=September 2020}}
{{Infobox train
{{Infobox train
| name = Tobu 20000/20050/20070/20400 series
| name = Tobu 20000/20050/20070/20400 series
| image = Tobu 21805 Isesaki Line 20080427.jpg
| image = Tobu 21805 Isesaki Line 20080427.jpg
| imagesize = 300px
| imagesize = 300px
| caption = 20000 series set 21805 in April 2008
| caption = 20000 series set 21805 in April 2008
| service =
| service =
| manufacturer = Alna Kōki, [[Tokyu Car Corporation]]
| manufacturer = Alna Kōki, [[Tokyu Car Corporation]]
| factory = [[Amagasaki]], [[Yokohama]]
| factory = [[Amagasaki]], [[Yokohama]]
| family =
| family =
| replaced = [[Tobu 2000 series|2000 series]]
| replaced = {{Plainlist|
* [[Tobu 2000 series|2000 series]]
* [[Tobu 8000 series|8000 series]] (Utsunomiya Line)
}}
| yearconstruction = 1988–1997
| yearconstruction = 1988–1997
| yearservice = 25 March 1988
| yearservice = 25 March 1988
| refurbishment = 2018–
| refurbishment = 2018–
| yearscrapped = 2017–
| yearscrapped = 2017–
| numberconstruction =
| numberconstruction =
| numberbuilt = 192 vehicles (24 sets)
| numberbuilt = 192 vehicles (24 sets)
| numberservice = 192 vehicles (24 sets) ({{as of|2017|04|01|lc=y}})
| numberservice = 192 vehicles (24 sets) ({{as of|2017|04|01|lc=y}})
| numberpreserved =
| numberpreserved =
| numberscrapped =
| numberscrapped =
| formation = 8 cars per trainset
| formation = 4/8 cars per trainset
| fleetnumbers =
| fleetnumbers =
| capacity =
| capacity =
| operator = [[Tobu Railway]]
| operator = [[Tobu Railway]]
| depots = Kasukabe
| depots = Kasukabe
| lines = {{Plainlist|
| lines = [[Tobu Skytree Line]], [[Tobu Nikko Line]], [[Tokyo Metro Hibiya Line]], [[Tobu Utsunomiya Line]]
* {{TBLS|TS}} [[Tobu Skytree Line]]
⚫
| carbody = Stainless steel
* {{TBLS|TN}} [[Tobu Nikko Line]]
⚫
| carlength = {{Convert|18,000|mm|ftin|abbr=on}}
* {{TBLS|TN}} [[Tobu Utsunomiya Line]]
⚫
| width = {{Convert|2857|mm|ftin|abbr=on}}
* {{TSLS|H}} [[Tokyo Metro Hibiya Line]]
⚫
| height =
}}
⚫
| doors = 3/5 pairs per side
⚫
| carbody = Stainless steel
⚫
| maxspeed = {{Convert|100|km/h|mph|round=5|abbr=on}}<ref name="private2015">{{cite book |script-title=ja: 私鉄車両年鑑2015 |trans-title=Japan Private Railways Annual 2015 |publisher = Ikaros Publications Ltd. |date = 20 June 2015 |location = Tokyo, Japan |language = Japanese |page = 148|isbn = 978-4-8022-0003-5}}</ref><br />{{Convert|110|km/h|mph|round=5|abbr=on}} (20400 series)<ref name="mynavi19072018"/>
⚫
| carlength = {{Convert|18000|mm|ftin|abbr=on}}
⚫
| weight =
⚫
| width = {{Convert|2857|mm|ftin|abbr=on}}
⚫
| acceleration = 3.3 km/h/s
⚫
| height =
⚫
| deceleration = 3.7 km/h/s (service), 4.5 km/h/s (emergency)
⚫
| doors = 3/5 pairs per side
⚫
| traction = [[Chopper (electronics)|Tо̄yo Denki Chopper Control]] [20000 Series] <br/ > [[Variable-frequency drive|Variable frequency]] ([[Gate turn-off thyristor|Tо̄yo Denki GTO]] (20050, 20070 & 20400 Series)
⚫
| maxspeed = {{Convert|100|km/h|mph|abbr=on}}<ref name="private2015">{{cite book |script-title=ja: 私鉄車両年鑑2015 |trans-title=Japan Private Railways Annual 2015 |publisher = Ikaros Publications Ltd. |date = 20 June 2015 |location = Tokyo, Japan |language = Japanese |page = 148|isbn = 978-4-8022-0003-5}}</ref><br />{{Convert|110|km/h|mph|abbr=on}} (20400 series)<ref name="mynavi19072018"/>
⚫
| traction motors = TM-83 (Chopper)<br />TM-92 (GTO-VVVF)
⚫
| weight =
⚫
| poweroutput =
⚫
| acceleration = {{cvt|3.3|km/h/s}}
⚫
| transmission =
⚫
| deceleration = {{cvt|3.7|km/h/s}} (service)<br> {{cvt|4.5|km/h/s}} (emergency)
| aux =
⚫
| traction = [[Chopper (electronics)|Chopper control]] (20000 series) <br/ > [[Variable-frequency drive|Variable frequency]] ([[Gate turn-off thyristor|GTO]]) (20050, 20070 & 20400 series)
⚫
| powersupply =
⚫
| traction motors = TM-83 (Chopper)<br />TM-92 (GTO-VVVF)
| hvac =
⚫
| poweroutput =
⚫
| electricsystem = 1,500 V DC overhead line
⚫
| transmission =
| aux =
⚫
| powersupply =
| hvac =
⚫
| electricsystem = 1,500 V DC overhead line
| collectionmethod = 20000 series: scissors type [[pantograph (transport)|pantograph]]<ref name="jrrprivate2010"/><br />20070 series: single-arm pantograph<ref name="jrrprivate2010"/><br />20400 series: single-arm pantograph<ref name="mynavi19072018"/>
| collectionmethod = 20000 series: scissors type [[pantograph (transport)|pantograph]]<ref name="jrrprivate2010"/><br />20070 series: single-arm pantograph<ref name="jrrprivate2010"/><br />20400 series: single-arm pantograph<ref name="mynavi19072018"/>
| bogies =
| bogies =
| brakes =
| brakes =
| safety = Tobu ATS
| safety = Tobu ATS
| coupling =
| coupling =
| multipleworking =
| multipleworking =
| gauge = {{RailGauge|1067mm}}
| gauge = {{RailGauge|1067mm}}
}}
}}


Line 55: Line 63:


The 20000 series fleet is scheduled to be replaced by new [[Tobu 70000 series]] EMUs with 20 m cars.
The 20000 series fleet is scheduled to be replaced by new [[Tobu 70000 series]] EMUs with 20 m cars.

==Variants==
==Variants==
* '''20000 series''': 13 x 8-car sets introduced from March 1988
* '''20000 series''': 13 x 8-car sets introduced from March 1988
Line 62: Line 71:


==20000 series==
==20000 series==
Thirteen eight-car sets (21801 to 21813) were built to replace the ageing [[Tobu 2000 series|2000 series]] trains on inter-running services between the [[Tobu Skytree Line]] and the [[Tokyo Metro Hibiya Line]] in Tokyo, entering service on 25 March 1988. The body design uses a new lightweight corrugated stainless steel construction.<ref name="dj263"/> These trains use the same AFE (Automatic Field Excite) [[Chopper (electronics)|chopper]] control as the earlier [[Tobu 9000 series]] trains, bolsterless bogies.<ref name="tobu_sekai_2015">{{cite book |script-title=ja: 東武鉄道の世界 |trans-title=The World of Tobu Railway |publisher = Kotsu Shimbunsha |date = 8 April 2015 |location = Japan |page = 41–43|isbn = 978-4-330-54215-7 |language = Japanese }}</ref>
A total of 104 vehicles<ref name="dj263" /> (13 eight-car sets, numbered 21801 to 21813) were built to replace the ageing [[Tobu 2000 series|2000 series]] trains on inter-running services between the [[Tobu Skytree Line]] and the [[Tokyo Metro Hibiya Line]] in Tokyo, entering service on 25 March 1988. The body design uses a new lightweight corrugated stainless steel construction.<ref name="dj263"/> These trains use the same AFE (Automatic Field Excite) [[Chopper (electronics)|chopper]] control as the earlier [[Tobu 9000 series]] trains and bolsterless bogies.<ref name="tobu_sekai_2015">{{cite book |script-title=ja: 東武鉄道の世界 |trans-title=The World of Tobu Railway |publisher = Kotsu Shimbunsha |date = 8 April 2015 |location = Japan |pages = 41–43|isbn = 978-4-330-54215-7 |language = Japanese }}</ref>

Total number of vehicles built: 104<ref name="dj263"/>


===Formation===
===Formation===
Line 80: Line 87:
The M1 cars are each fitted with one scissors type pantograph.<ref name="jrrprivate2010"/>
The M1 cars are each fitted with one scissors type pantograph.<ref name="jrrprivate2010"/>


{{-}}
{{Clear}}


==20050 series==
==20050 series==
[[File:Tobu-20050series.jpg|thumb|20050 series set 21856 in June 2018]]
[[File:Tobu-20050series.jpg|thumb|20050 series set 21856 in June 2018]]
Eight eight-car sets (21851 to 21858) were introduced on 29 December 1992 on [[Tobu Isesaki Line]] (present-day [[Tobu Skytree Line]]) and [[Tokyo Metro Hibiya Line]] inter-running services. These sets feature two five-door cars at each end, and also LED destination indicators.<ref name="dj263"/> These sets have VVVF control.<ref name="private2015"/>
A total of 64 vehicles<ref name="dj263" /> (8 eight-car sets, numbered 21851 to 21858) were introduced on 29 December 1992 on [[Tobu Isesaki Line]] (present-day [[Tobu Skytree Line]]) and [[Tokyo Metro Hibiya Line]] inter-running services. These sets feature two five-door cars at each end, and also LED destination indicators.<ref name="dj263"/> These sets have VVVF control.<ref name="private2015"/>

Total number of vehicles built: 64<ref name="dj263"/>


===Formation===
===Formation===
Line 107: Line 112:
==20070 series==
==20070 series==
[[File:Tobu20070.jpg|thumb|20070 series set 21872 in April 2008]]
[[File:Tobu20070.jpg|thumb|20070 series set 21872 in April 2008]]
Three eight-car sets (21871 to 21873) were introduced from 25 March 1997 to cope with an increased service frequency. These sets feature three-door cars throughout, and also LED destination indicators.<ref name="dj263"/> These sets have VVVF control.<ref name="private2015"/>
These are eight-car sets that were introduced from 25 March 1997 to cope with an increased service frequency, of which 24 vehicles (three eight-car sets, numbered 21871 to 21873) were built.<ref name="dj263" /> These sets feature three-door cars throughout, and also LED destination indicators.<ref name="dj263"/> These sets have VVVF control.<ref name="private2015"/>

Total number of vehicles built: 24<ref name="dj263"/>


===Formation===
===Formation===
Line 128: Line 131:


==20400 series==
==20400 series==
[[File:東武宇都宮線で使用される東武20400型（国谷駅撮影）.jpg|thumb|A 20400 series set in June 2019]]
[[File:Tobu-Type20400-21433.jpg|thumb|Set 21433 in August 2021]]
The 20400 series are four-car sets for Tobu Nikko Line and Utsunomiya Line operation north of Minami-Kurihashi Station.<ref name="mynavi19072018">{{cite web |last=Kamishin |first=Daisuke |url=https://news.mynavi.jp/article/20180719-tobu20400/ |script-title=ja:東武鉄道20400型を公開、日光線・宇都宮線で9月デビュー! 写真83枚 |trans-title=Tobu Railway 20400 series released, September debut on Nikko Line · Utsunomiya Line! 83 photos |language=Japanese |date=19 July 2018 |website=news.mynavi.jp |publisher=Mynavi Corporation |access-date=10 February 2019 |archiveurl=https://web.archive.org/web/20190210192021/https://news.mynavi.jp/article/20180719-tobu20400/ |archivedate=10 February 2019 |url-status=live}}</ref> The first trains entered revenue service on 3 September 2018.<ref name="railfan04092018"/>
The 20400 series are four-car sets for Tobu Nikko Line and Utsunomiya Line operation north of Minami-Kurihashi Station.<ref name="mynavi19072018">{{cite web |last=Ueshin |first=Daisuke |url=https://news.mynavi.jp/article/20180719-tobu20400/ |script-title=ja:東武鉄道20400型を公開、日光線・宇都宮線で9月デビュー! 写真83枚 |trans-title=Tobu Railway 20400 series released, September debut on Nikko Line · Utsunomiya Line! 83 photos |language=Japanese |date=19 July 2018 |website=news.mynavi.jp |publisher=Mynavi Corporation |access-date=10 February 2019 |archiveurl=https://web.archive.org/web/20190210192021/https://news.mynavi.jp/article/20180719-tobu20400/ |archivedate=10 February 2019 |url-status=live}}</ref> The first trains entered revenue service on 3 September 2018.<ref name="railfan04092018"/>


===Formation===
===Formation===
Line 140: Line 143:
|-
|-
! Numbering
! Numbering
| 24422 || 23422 || 22422 || 21422
| 24400 || 23400 || 22400 || 21400
|}
|}


Line 146: Line 149:


===Interior===
===Interior===
Passenger accommodation consists of longitudinal bench seating throughout. The interior is based on the [[Tobu 70000 series|70000 series]] design.<ref name="mynavi19072018"/>
Passenger accommodation consists of longitudinal bench seating throughout. The interior is based on the [[Tobu 70000 series|70000 series]] design.<ref name="mynavi19072018"/><gallery>
File:Tobu-24433 Inside.jpg|General interior view, July 2021
File:Tobu-24433 Inside Priority-Seats.jpg|Priority seating, July 2021
File:Tobu-24433 Button Inside.jpg|Passenger door buttons, July 2021
</gallery>


==Withdrawal and refurbishment==
==Withdrawal and refurbishment==
The 20000 series trains began to be replaced by new [[Tobu 70000 series|70000 series]] trains from 7 July 2017.<ref>{{cite web |url=http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622新型車両70000系運行開始【ＨＰ用確定版】.pdf?date=20170622170923|title=新型車両70000系運行開始【ＨＰ用確定版】|date=22 June 2017 |archiveurl=https://web.archive.org/web/20171007095800/http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622%E6%96%B0%E5%9E%8B%E8%BB%8A%E4%B8%A170000%E7%B3%BB%E9%81%8B%E8%A1%8C%E9%96%8B%E5%A7%8B%E3%80%90%EF%BC%A8%EF%BC%B0%E7%94%A8%E7%A2%BA%E5%AE%9A%E7%89%88%E3%80%91.pdf?date=20170622170923 |archivedate=7 October 2017 |url-status=dead}}</ref> The first set to be withdrawn, set (21813 and 21809), was removed for scrapping in July 2017.<ref>{{cite web|url=http://railf.jp/news/2017/07/29/202000.html |title=東武鉄道20000系が渡瀬へ |trans-title=Tobu Railway 20000 series to Watase |date=29 July 2017 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |archiveurl=https://web.archive.org/web/20190210185339/https://railf.jp/news/2017/07/29/202000.html |archivedate=10 February 2019 |url-status=live}}</ref> Some of the 20000 series trains are also refurbished as 20400 series to replace [[Tobu 8000 series|8000 series]] trains.<ref name="railfan04092018">{{cite web |last=Saito |first=Takahisa |url=https://railf.jp/news/2018/09/04/180000.html |script-title=ja:東武20400形が営業運転を開始 |trans-title=Tobu 20400 series starts commercial operation |date=4 September 2018 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |location=Japan |language=Japanese |archiveurl=https://web.archive.org/web/20190210184409/https://railf.jp/news/2018/09/04/180000.html |archivedate=10 February 2019 |url-status=live |accessdate=10 February 2019}}</ref>
The 20000 series trains began to be replaced by new [[Tobu 70000 series|70000 series]] trains from 7 July 2017.<ref>{{cite web |url=http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622新型車両70000系運行開始【ＨＰ用確定版】.pdf?date=20170622170923|title=新型車両70000系運行開始【ＨＰ用確定版】|date=22 June 2017 |archiveurl=https://web.archive.org/web/20171007095800/http://www.tobu.co.jp/file/pdf/fff044630876dab31fd1ef42f8e0c589/170622%E6%96%B0%E5%9E%8B%E8%BB%8A%E4%B8%A170000%E7%B3%BB%E9%81%8B%E8%A1%8C%E9%96%8B%E5%A7%8B%E3%80%90%EF%BC%A8%EF%BC%B0%E7%94%A8%E7%A2%BA%E5%AE%9A%E7%89%88%E3%80%91.pdf?date=20170622170923 |archivedate=7 October 2017 |url-status=dead}}</ref> The first sets to be withdrawn, sets 21813 and 21809, were removed for scrapping in July 2017.<ref>{{cite web|url=http://railf.jp/news/2017/07/29/202000.html |title=東武鉄道20000系が渡瀬へ |trans-title=Tobu Railway 20000 series to Watase |date=29 July 2017 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |archiveurl=https://web.archive.org/web/20190210185339/https://railf.jp/news/2017/07/29/202000.html |archivedate=10 February 2019 |url-status=live}}</ref> Some of the 20000 series trains are also refurbished as 20400 series to replace [[Tobu 8000 series|8000 series]] trains.<ref name="railfan04092018">{{cite web |last=Saito |first=Takahisa |url=https://railf.jp/news/2018/09/04/180000.html |script-title=ja:東武20400形が営業運転を開始 |trans-title=Tobu 20400 series starts commercial operation |date=4 September 2018 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |location=Japan |language=Japanese |archiveurl=https://web.archive.org/web/20190210184409/https://railf.jp/news/2018/09/04/180000.html |archivedate=10 February 2019 |url-status=live |accessdate=10 February 2019}}</ref>


The five-door 20000 series trains are being withdrawn so that platform doors can be installed on [[Tokyo Metro Hibiya Line]] stations.
The five-door 20000 series trains are being withdrawn so that platform doors can be installed on [[Tokyo Metro Hibiya Line]] stations.


===Transferred vehicles ===
===Transferred vehicles===
20000 series cars are scheduled to be transferred to [[Alpico Kotsu]] for use on the [[Kamikōchi Line]], where they will replace life-expired former [[Keio 3000 series]] trains.<ref name="shinmai22062021">{{cite web |url=https://www.shinmai.co.jp/news/article/CNTS2021062200031 |title=上高地線 ２０年ぶり新車両 都内の地下鉄走った「２００００系」 来春から運行 |trans-title= |language=Japanese |date=22 June 2021 |website=shinmai.co.jp |publisher=The Shinano Mainichi Shimbun |access-date=22 June 2021 |archive-url=https://web.archive.org/web/20210622152806/https://www.shinmai.co.jp/news/article/CNTS2021062200031 |archive-date=22 June 2021 |url-status=live}}</ref>
The series are going to be transferred to [[Kamikōchi Line]] because [[Alpico Kotsu]] will have altered [[Keio 3000 series]] which are old
until 2025 since 2022.


==References==
==References==
Line 168: Line 174:
{{DEFAULTSORT:Tobu 20000 Series}}
{{DEFAULTSORT:Tobu 20000 Series}}
[[Category:Electric multiple units of Japan]]
[[Category:Electric multiple units of Japan]]
⚫
[[Category:Tokyu Car rolling stock]]
[[Category:Tobu Railway|20000 series]]
[[Category:Tobu Railway|20000 series]]
[[Category:Train-related introductions in 1988]]
[[Category:Train-related introductions in 1988]]
⚫
[[Category:Alna Koki rolling stock]]
[[Category:Tokyu Car multiple units]]
[[Category:1500 V DC multiple units of Japan]]

Latest revision as of 22:19, 31 March 2024

Tobu 20000/20050/20070/20400 series
20000 series set 21805 in April 2008
ManufacturerAlna Kōki, Tokyu Car Corporation
Built atAmagasaki, Yokohama
Replaced
Constructed1988–1997
Entered service25 March 1988
Refurbished2018–
Scrapped2017–
Number built192 vehicles (24 sets)
Number in service192 vehicles (24 sets) (as of 1 April 2017)
Formation4/8 cars per trainset
OperatorsTobu Railway
DepotsKasukabe
Lines served
Specifications
Car body constructionStainless steel
Car length18,000 mm (59 ft 1 in)
Width2,857 mm (9 ft 4.5 in)
Doors3/5 pairs per side
Maximum speed100 km/h (62 mph)[1]
110 km/h (68 mph) (20400 series)[2]
Traction systemChopper control (20000 series)
Variable frequency (GTO) (20050, 20070 & 20400 series)
Traction motorsTM-83 (Chopper)
TM-92 (GTO-VVVF)
Acceleration3.3 km/(h⋅s) (2.1 mph/s)
Deceleration3.7 km/(h⋅s) (2.3 mph/s) (service)
4.5 km/(h⋅s) (2.8 mph/s) (emergency)
Electric system(s)1,500 V DC overhead line
Current collector(s)20000 series: scissors type pantograph[3]
20070 series: single-arm pantograph[3]
20400 series: single-arm pantograph[2]
Safety system(s)Tobu ATS
Track gauge1,067 mm (3 ft 6 in)

The Tobu 20000 series (東武20000系, Tōbu 20000-kei) is a DC electric multiple unit (EMU) commuter train type operated by the private railway operator Tobu Railway in Japan since 1988.[4]

The 20000 series fleet is scheduled to be replaced by new Tobu 70000 series EMUs with 20 m cars.

Variants

[edit]
  • 20000 series: 13 x 8-car sets introduced from March 1988
  • 20050 series: 8 x 8-car sets introduced from December 1992 with 5-door cars
  • 20070 series: 3 x 8-car sets introduced from March 1997
  • 20400 series: 4-car sets introduced from 2018 for the Tobu Utsunomiya Line

20000 series

[edit]

A total of 104 vehicles[4] (13 eight-car sets, numbered 21801 to 21813) were built to replace the ageing 2000 series trains on inter-running services between the Tobu Skytree Line and the Tokyo Metro Hibiya Line in Tokyo, entering service on 25 March 1988. The body design uses a new lightweight corrugated stainless steel construction.[4] These trains use the same AFE (Automatic Field Excite) chopper control as the earlier Tobu 9000 series trains and bolsterless bogies.[5]

Formation

[edit]

Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[3]

Designation Tc1 M1 M2 M1 M3 M1 M4 Tc2
Numbering 21800 22800 23800 24800 25800 26800 27800 28800

The M1 cars are each fitted with one scissors type pantograph.[3]

20050 series

[edit]
20050 series set 21856 in June 2018

A total of 64 vehicles[4] (8 eight-car sets, numbered 21851 to 21858) were introduced on 29 December 1992 on Tobu Isesaki Line (present-day Tobu Skytree Line) and Tokyo Metro Hibiya Line inter-running services. These sets feature two five-door cars at each end, and also LED destination indicators.[4] These sets have VVVF control.[1]

Formation

[edit]

Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[3]

Designation Tc3 M5 M2 M7 M3 M7 M6 Tc4
Numbering 21850 22850 23850 24850 25850 26850 27850 28850

The M5 and M7 cars are each fitted with one scissors type pantograph.[3]

Interior

[edit]

Passenger accommodation consists of longitudinal bench seating throughout, with seats for three persons between each pair of doors in the five-door cars.[5] Seat width is 440 mm (17 in) per person for the three-person bench seats in five-door cars and 450 mm (18 in) per person for the ten-person bench seats in three-door cars.[5] As with the 9050 series EMUs introduced around the same time, these sets featured LCD passenger information screens above the doorways, but these were subsequently removed.[5]

20070 series

[edit]
20070 series set 21872 in April 2008

These are eight-car sets that were introduced from 25 March 1997 to cope with an increased service frequency, of which 24 vehicles (three eight-car sets, numbered 21871 to 21873) were built.[4] These sets feature three-door cars throughout, and also LED destination indicators.[4] These sets have VVVF control.[1]

Formation

[edit]

Trains are formed as follows, with six motored ("M") cars and two non-powered driving trailer ("Tc") cars.[3]

Designation Tc1 M1 M2 M3 M4 M3 M5 Tc2
Numbering 21870 22870 23870 24870 25870 26870 27870 28870

The M1 and M3 cars are each fitted with one single-arm pantograph.[3]

Interior

[edit]

Passenger accommodation consists of longitudinal bench seating throughout. These sets feature three-colour LCD passenger information displays above alternate doorways.[5]

20400 series

[edit]
Set 21433 in August 2021

The 20400 series are four-car sets for Tobu Nikko Line and Utsunomiya Line operation north of Minami-Kurihashi Station.[2] The first trains entered revenue service on 3 September 2018.[6]

Formation

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Trains are formed as follows, with two motored cars and two non-powered trailer cars.[2] Car 1 ("Tc2") and 4 ("Tc1") are former 20000 series cars built by Alna Koki in 1988, and cars 2 ("M2") and 3 ("M1") are former 20070 series cars built by Tokyu Car in 1997.[2] Some sets will incorporate former 20050 series cars, which will be converted from five doors to three doors per side.[2]

Designation Tc2 M2 M1 Tc1
Numbering 24400 23400 22400 21400

The M1 car is fitted with two single-arm pantographs.[2]

Interior

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Passenger accommodation consists of longitudinal bench seating throughout. The interior is based on the 70000 series design.[2]

  • General interior view, July 2021
    General interior view, July 2021
  • Priority seating, July 2021
    Priority seating, July 2021
  • Passenger door buttons, July 2021
    Passenger door buttons, July 2021

Withdrawal and refurbishment

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The 20000 series trains began to be replaced by new 70000 series trains from 7 July 2017.[7] The first sets to be withdrawn, sets 21813 and 21809, were removed for scrapping in July 2017.[8] Some of the 20000 series trains are also refurbished as 20400 series to replace 8000 series trains.[6]

The five-door 20000 series trains are being withdrawn so that platform doors can be installed on Tokyo Metro Hibiya Line stations.

Transferred vehicles

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20000 series cars are scheduled to be transferred to Alpico Kotsu for use on the Kamikōchi Line, where they will replace life-expired former Keio 3000 series trains.[9]

References

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  1. ^ a b c 私鉄車両年鑑2015 [Japan Private Railways Annual 2015] (in Japanese). Tokyo, Japan: Ikaros Publications Ltd. 20 June 2015. p. 148. ISBN 978-4-8022-0003-5.
  2. ^ a b c d e f g h Ueshin, Daisuke (19 July 2018). 東武鉄道20400型を公開、日光線・宇都宮線で9月デビュー! 写真83枚 [Tobu Railway 20400 series released, September debut on Nikko Line · Utsunomiya Line! 83 photos]. news.mynavi.jp (in Japanese). Mynavi Corporation. Archived from the original on 10 February 2019. Retrieved 10 February 2019.
  3. ^ a b c d e f g h 私鉄車両編成表 私鉄車両編成表 2010 [Private Railway Rolling Stock Formations - 2010]. Japan: JRR. August 2010. p. 36. ISBN 978-4-330-15310-0.
  4. ^ a b c d e f g ２００６東武鉄道通勤車両カタログ [2006 Tobu Railway Commuter Rolling Stock Catalogue]. Tetsudo Daiya Joho Magazine. Vol. 35, no. 263. Japan: Kotsu Shimbun. March 2006. pp. 16–20.
  5. ^ a b c d e 東武鉄道の世界 [The World of Tobu Railway] (in Japanese). Japan: Kotsu Shimbunsha. 8 April 2015. pp. 41–43. ISBN 978-4-330-54215-7.
  6. ^ a b Saito, Takahisa (4 September 2018). 東武20400形が営業運転を開始 [Tobu 20400 series starts commercial operation]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. Archived from the original on 10 February 2019. Retrieved 10 February 2019.
  7. ^ "新型車両70000系運行開始【ＨＰ用確定版】" (PDF). 22 June 2017. Archived from the original (PDF) on 7 October 2017.
  8. ^ "東武鉄道20000系が渡瀬へ" [Tobu Railway 20000 series to Watase]. Japan Railfan Magazine Online. Koyusha Co., Ltd. 29 July 2017. Archived from the original on 10 February 2019.
  9. ^ "上高地線 ２０年ぶり新車両 都内の地下鉄走った「２００００系」 来春から運行". shinmai.co.jp (in Japanese). The Shinano Mainichi Shimbun. 22 June 2021. Archived from the original on 22 June 2021. Retrieved 22 June 2021.
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