E131 series

{{short description|Japanese train type}} {{About|the electric multiple unit train|the diesel multiple unit train|KiHa E130 series}} {{Use dmy dates|date=May 2020}} {{Infobox train | name = E131 series | image = Series-E131-R06.jpg | caption = | stocktype = | service = | manufacturer = [[Japan Transport Engineering Company|J-TREC]] | factory = [[Akiha-ku, Niigata]] | family = {{Interlanguage link|J-TREC sustina|lt=sustina|ja|sustina}} | replaced = [[205 series]], [[209 series#209-2000/2100 series|209-2000/2100 series]], [[211 series]] | yearconstruction = 2020−present | yearservice = 13 March 2021 | refurbishment = | numberconstruction = 48 vehicles (16 sets) | numberbuilt = 209 vehicles (65 sets) | numberservice = 197 vehicles (61 sets) | formation = 2–4 cars per trainset | fleetnumbers = | capacity = | operator = {{ric|JR East|name=y}} | depots = | lines = | carbody = Stainless steel | carlength = {{plainlist| * {{convert|19.57|m|ftin|abbr=on}} (end cars) * {{convert|19.5|m|ftin|abbr=on}} (intermediate cars) * {{convert|20|m|ftin|abbr=on}} (from coupler to coupler) }} | width = {{convert|2.95|m|ftin|abbr=on}} | height = {{plainlist| * {{convert|3.62|m|ftin|abbr=on}} * ({{convert|3.95|m|ftin|abbr=on}} with pantograph up) }} | floorheight = {{convert|1.13|m|ftin|abbr=on}} | doors = 4 pairs per side | maxspeed = {{convert|110|km/h|mph|abbr=on}} | weight = | acceleration = | deceleration = | traction = [[Hitachi]] hybrid-[[Silicon carbide|SiC]]/[[Insulated-gate bipolar transistor|IGBT]]–[[Variable-frequency drive|VVVF]] | traction motors = MT83 {{convert|150|kW|0|abbr=on}} 3-phase AC [[induction motor]] | poweroutput = | transmission = 7.07:1 (99:14) gear ratio | aux = | powersupply = | hvac = | electricsystem = {{1,500 V DC}} [[overhead line|overhead catenary]] | collectionmethod = [[Pantograph (transport)|Pantograph]] | bogies = | brakes = | safety = | coupling = | multipleworking = | gauge = {{track gauge|1067mm|lk=on}} }}

The {{Nihongo|'''E131 series'''|E131系}} is a DC [[electric multiple unit]] (EMU) train type operated by the [[East Japan Railway Company]] (JR East). It began operations in the Chiba area on 13 March 2021, on the [[Sagami Line]] on 18 November 2021, and on the [[Nikkō Line]] and the [[Utsunomiya Line]] on 12 March 2022. The trains are equipped for [[One-person operation|driver-only operation]] ({{nihongo||ワンマン|wanman|"one man"}}).

== Design == The E131 series trains have stainless steel bodies.<ref name="mynavi photos2021-02-19">{{Cite web |date=2021-02-19 |title=JR東日本、新型車両E131系を公開 - ワンマン運転に対応、写真95枚 |trans-title=JR East unveils new E131 series trains equipped for one-man operation - 95 photos |url=https://news.mynavi.jp/article/20210219-e131photo/ |access-date=2022-03-14 |website=Mynavi News |publisher=Mynavi Corporation |language=ja |archive-date=9 March 2022 |archive-url=https://web.archive.org/web/20220309101620/https://news.mynavi.jp/article/20210219-e131photo/ |url-status=live }}</ref> They have LCD passenger information displays above the doors,<ref name="mynavi photos2021-02-19" /> as well as wheelchair-accessible and stroller-accessible "free spaces" on all cars. As they are equipped for "[[wanman]]" driver-only operation, body-mounted cameras are utilized to monitor passengers boarding and alighting the train; these cameras are then fed to displays located in the driver's cab.<ref name="mynavi photos2021-02-19" /><ref name="mynavi 2021-02-18">{{Cite web |date=2021-02-18 |title=JR東日本E131系、新型車両を公開 - デビューに先立ち展示会も開催 |trans-title=JR East unveils new E131 series trains, exhibition held ahead of debut |url=https://news.mynavi.jp/article/20210218-e131/ |access-date=2022-03-14 |website=Mynavi News |publisher=Mynavi Corporation |language=ja |archive-date=5 March 2021 |archive-url=https://web.archive.org/web/20210305081245/https://news.mynavi.jp/article/20210218-e131/ |url-status=live }}</ref> They also feature semi-automatic doors, allowing passengers to operate the doors during driver-only operation.<ref name="mynavi photos2021-02-19" /><ref name="mynavi 2021-02-18" />

Internally, the trains are equipped with security cameras and emergency call switches.<ref name="mynavi photos2021-02-19" />

Some trains in each subseries are numbered -X80, as they have a slightly different equipment configuration due to the presence of track monitoring equipment.

<gallery class="center"> File:E131-0 LED.gif|LED destination board, displaying information in both Japanese and English (E131-0 series) File:Series-E131-0 Outside Camera.jpg|External security cameras (E131-0 series) File:JRE E131-600interior door.jpg|Internal passenger door buttons (E131-600 series) File:Series-E131-500 Inside Driving-seat.jpg|Driver's cab (E131-500 series) </gallery>

== Variants == * '''E131-0/-80 series''': 2-car sets used on the [[Kashima Line]], [[Narita Line]], [[Sotobō Line]], and [[Uchibō Line]] * '''E131-200 series''': 3-car sets to be used on the [[Chūō Main Line]], [[Shinonoi Line]], and [[Shin'etsu Main Line]] * '''E131-500/-580 series''': 4-car sets used on the [[Sagami Line]] (previously also used on [[Yokohama Line]] through services) * '''E131-600/-680 series''': 3-car sets used on the [[Nikkō Line]] and [[Utsunomiya Line]] * '''E131-800 series''': 4-car sets used on the [[Senseki Line]] * '''E131-1000 series''': 3-car sets used on the [[Tsurumi Line]]

== History == The series and its scheduled introduction into the [[Sotobō Line]] ([[Kazusa-Ichinomiya Station]] - [[Awa-Kamogawa Station]]), [[Uchibō Line]] ([[Kisarazu Station]] - Awa-Kamogawa Station), and [[Kashima Line]] ([[Sawara Station]] - [[Kashimajingū Station]]) was announced on 5 May 2020.<ref name="jr_chiba_press_release">{{cite web |date=12 May 2020 |title=房総・鹿島エリアへの新型車両の投入について |trans-title=Information about new train type for the Boso/Kashima areas |url=https://www.jreast.co.jp/press/2020/20200512_ho01.pdf |url-status=live |archive-url=https://web.archive.org/web/20200512082849/https://www.jreast.co.jp/press/2020/20200512_ho01.pdf |archive-date=12 May 2020 |access-date=12 May 2020 |language=ja |format=PDF}}</ref> It was the first all-new series introduced in the region in 51 years since the [[113 series]] in the late 1960s;<ref>{{Cite web |date=13 March 2021 |title=房総の海などをイメージ新型車両きょうから内房・外房線、鹿島線に導入：東京新聞 TOKYO Web |trans-title=Image of the sea of Boso etc. Introduced onto the Uchibo/Sotobo line and Kashima line from today. |url=https://www.tokyo-np.co.jp/article/91320 |url-status=live |archive-url=https://web.archive.org/web/20210405195554/https://www.tokyo-np.co.jp/article/91320 |archive-date=2021-04-05 |access-date=2021-04-05 |website=東京新聞 TOKYO Web |language=ja}}</ref><ref>{{Cite web|date=2021-02-20|title=JR東の新顔E131系､地域密着｢標準車｣の将来性 {{!}} ローカル線･公共交通|url=https://toyokeizai.net/articles/-/412690|url-status=live|archive-url=https://web.archive.org/web/20210405195554/https://www.tokyo-np.co.jp/article/91320|archive-date=2021-04-05|access-date=2021-04-05|website=東洋経済オンライン|language=ja}}</ref> the previous [[211 series]] and [[209 series]] were transferred from other lines. On 18 December 2020, it was further announced that the series would operate certain services in the [[Narita Line]] (between [[Narita Station]] and [[Katori Station]]) and [[Kashima Line]] (between Katori Station and Sawara Station).<ref name="2021_spring_timetable">{{Cite web |last=東日本旅客鉄道 |date=2020-12-18 |title=2021年3月ダイヤ改正について |trans-title=March 2021 timetable revision |url=https://www.jreast.co.jp/press/2020/20201218_ho01.pdf |url-status=live |archive-url=https://web.archive.org/web/20201218071035/https://www.jreast.co.jp/press/2020/20201218_ho01.pdf |archive-date=2020-12-18 |access-date=2021-04-05 |language=ja}}</ref><ref>{{Cite web |last=東日本旅客鉄道千葉支社 |date=2020-12-18 |title=2021年3月ダイヤ改正について |trans-title=March 2021 timetable revision |url=https://www.jreast.co.jp/press/2020/chiba/20201218_c01.pdf |url-status=live |archive-url=https://web.archive.org/web/20201219174329/https://www.jreast.co.jp/press/2020/chiba/20201218_c01.pdf |archive-date=2020-12-19 |access-date=2021-04-05 |language=ja |format=PDF}}</ref>

On 17 June 2021, [[East Japan Railway Company|JR East]] announced that a new subseries will be introduced on the [[Sagami Line]] ([[Chigasaki Station]] - [[Hashimoto Station (Kanagawa)|Hashimoto Station]]) in late 2021,<ref name="jr_sagami_press_release">{{cite web |date=17 June 2021 |title=相模線への新型車両の投入について |trans-title=Information about new train type for the Sagami Line |url=https://www.jreast.co.jp/press/2021/yokohama/20210617_y1.pdf |url-status=live |archive-url=https://web.archive.org/web/20210620041732/https://www.jreast.co.jp/press/2021/yokohama/20210617_y1.pdf |archive-date=20 June 2021 |access-date=17 June 2021 |language=ja}}</ref> and another subseries will be introduced into the [[Nikkō Line]] ([[Utsunomiya Station]] - [[Nikkō Station]]) and the [[Utsunomiya Line]] ([[Oyama Station]] - [[Kuroiso Station]]) in Spring 2022.<ref name="jr_utsunomiya_press_release">{{cite web |date=17 June 2021 |title=宇都宮線・日光線に新型車両を投入します |trans-title=New train sets for the Utsunomiya and Nikko Lines |url=https://www.jreast.co.jp/press/2021/omiya/20210617_o05.pdf |url-status=live |archive-url=https://web.archive.org/web/20210618023205/https://www.jreast.co.jp/press/2021/omiya/20210617_o05.pdf |archive-date=18 June 2021 |access-date=17 June 2021 |language=ja}}</ref>

On 24 December 2024, JR East announced another subseries that will run on the [[Senseki Line]] in the Sendai area.<ref name="railf8001">{{Cite web |title=JR東日本，仙石線にE131系を導入へ |url=https://railf.jp/news/2024/12/24/155000.html |access-date=2024-12-24 |website=Japan Railfan Magazine Online |language=ja}}</ref>

On 7 May 2026, JR East designated a new subseries to be the replacement of 211 series trains on the [[Chūō Main Line|Chuo]], [[Shinonoi Line|Shinonoi]], and [[Shin'etsu Main Line|Shin'etsu]] Lines.<ref name=":2">{{Cite web |date=7 May 2026 |title=JR東日本，中央・篠ノ井・信越本線にE131系を導入 |trans-title=JR East to introduce E131 series trains on the Chuo, Shinonoi, and Shin'etsu Main Lines |url=https://railf.jp/news/2026/05/07/150000.html |access-date=7 May 2026 |website=[[Japan Railfan Magazine]] |language=ja}}</ref>

== E131-0/-80 series == {{Infobox train | name = E131-0/-80 series | image = Series-E131-R06.jpg | caption = R06 on the Narita Line in March 2021 | interiorimage = Series-E131-0 Inside.jpg | interiorcaption = Interior (October 2021) | service = | manufacturer = | factory = | family = | replaced = [[209 series#209-2000/2100 series|209-2000/2100 series]] | yearconstruction = 2020−2021 | yearservice = 13 March 2021 | refurbishment = | numberbuilt = 24 vehicles (12 sets) | numberservice = 24 vehicles (12 sets) | formation = 2 cars per trainset | fleetnumbers = R01–R12 | capacity = | depots = Makuhari | lines = {{Plainlist| * {{rcb|JR East|Kashima|square}} * {{rcb|JR East|Narita|square}} * {{rcb|JR East|Sotobo|square}} * {{rcb|JR East|Uchibo|square}} }} | carbody = | trainlength = {{convert|40|m|ftin|abbr=on}} (including couplers) | width = | height = | floorheight = | doors = | maxspeed = | weight = | acceleration = | deceleration = | traction = | traction motors = 4 × {{convert|150|kW|0|abbr=on}} | poweroutput = {{convert|600|kW|0|abbr=on}} | transmission = | aux = | powersupply = | hvac = | electricsystem = | collectionmethod = | uicclass = Bo′Bo′+2′2′ | bogies = | brakes = | safety = | coupling = | multipleworking = | gauge = }}

A total of 12 two-car sets were ordered and built.<ref name="mynavi12052020" /><ref name="eis_event" /> Test runs began in July 2020, starting with the first two delivered sets R01 and R02.<ref name="railfan17072020">{{cite web |url=https://railf.jp/news/2020/07/17/123000.html |title=E131系が登場 |date=17 July 2020 |work=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |location=Japan |language=ja |access-date=20 July 2020 |archive-url=https://archive.today/20200717104847/https://railf.jp/news/2020/07/17/123000.html |archive-date=17 July 2020 |url-status=live }}</ref> The first ten sets (R01–R10) entered passenger service on 13 March 2021.<ref name="eis_event">{{cite web|url=https://www.jreast.co.jp/press/2020/chiba/20210218_c01.pdf|title=新型車両「E131系」の展示会を開催します！|trans-title=New E131 series train Exhibition|date=18 February 2021|access-date=19 February 2021|archive-date=10 April 2021|archive-url=https://web.archive.org/web/20210410185032/https://www.jreast.co.jp/press/2020/chiba/20210218_c01.pdf|url-status=live}}</ref><ref name="jr_chiba_press_release" />

The trains are painted in the Uchibo/Sotobo Line color scheme and formed as two-car sets with four doors per car.<ref name="mynavi12052020">{{cite web |author=木下健児 |url=https://news.mynavi.jp/article/20200512-1034812/ |title=JR東日本E131系、内房線・外房線・鹿島線に新型車両 - 計24両投入 |trans-title=JR East E131 series, new vehicle on Uchibo Line, Sotobo Line, Kashima Line - 24 cars to be introduced |language=ja |date=12 May 2020 |website=news.mynavi.jp |publisher=Mynavi Corporation |access-date=13 May 2020 |archive-url=https://archive.today/20200512082043/https://news.mynavi.jp/article/20200512-1034812/ |archive-date=12 May 2020 |url-status=live }}</ref>

=== Lines served === The series serves the following sections of lines:<ref name="2021_spring_timetable"/> * [[Sotobō Line]]: [[Kazusa-Ichinomiya Station]] - [[Awa-Kamogawa Station]] * [[Uchibō Line]]: [[Kisarazu Station]] - Awa-Kamogawa Station * [[Kashima Line]]: [[Katori Station]] - [[Kashimajingū Station]] * [[Narita Line]]: [[Narita Station]] - Katori Station

=== Formations === {{As of|2021|03|19}}, 12 two-car sets (R01–R12) are based at Makuhari Rolling Stock Centre in [[Chiba Prefecture]] and formed with 1 motored ("M") car and 1 trailer ("T") car.{{Citation needed|date=October 2023}}

{| class="wikitable" |- |style="background-color:#ccc;"|  |colspan="2"|<div style="float:left;">← Kashimajingū, Kazusa-Ichinomiya</div><br /><div style="float:right;">Narita, Kisarazu →</div> |-style="line-height: 3.3px; background-color: #FFD400;" |colspan="3" style="padding:0; border:0;"|  |-style="line-height: 6.7px; background-color: #55CCFF;" |colspan="3" style="padding:0; border:0;"|  |- ! Designation | Mc || Tc' |- ! Numbering | KuMoHa E131-0/-80 || KuHa E130-0/-80 |} * The KuMoHa E131 car has a single-arm pantograph.<ref name="jrr2022_winter">{{cite book |title=JR電車編成表 2022冬 |date=22 November 2021 |publisher=Kotsu Shimbunsha |isbn=978-4-330-06521-2 |location=Japan |language=ja |script-title= |trans-title=JR EMU Formations - Winter 2022}}</ref> * Both cars have an accessible/priority "free space".<ref name="jrr2022_winter"/> * The KuHa E130 car has a [[universal design]] toilet.<ref name="jrr2022_winter"/>

=== Interior === Passenger accommodation consists of a combination of longitudinal and transverse seating.<ref name="mynavi photos2021-02-19" /> Priority seating and wheelchair- and stroller-accessible "free spaces" are provided in each car. KuHa E130 features a universal design toilet.

<gallery class="center"> File:Series-E131-0 Inside Display.jpg|Passenger information display File:Series-E131-0 Inside.jpg|Interior view. Transverse seating bays can be seen at the end. File:Series-E131 Cross-seat.jpg|Mixed longitudinal and transverse seating File:Series-E131-0 Long-seat.jpg|Longitudinal seating File:Series-E131-0 Inside Priority-seat.jpg|Priority seating with wheelchair/stroller space File:20210320 JR East E131 inside Surveillance camera.jpg|Onboard security cameras File:Series-E131-0 Toilet-Outside.jpg|Onboard universal design toilet </gallery>

=== Fleet details === {{Refimprove section|date=October 2023}} The table below shows the details of each set. {| class="wikitable mw-collapsible mw-collapsed" ! Set No. ! Delivery date ! Leading car ! Trailing car |- || R01 | rowspan="2"| 21 July 2020<ref name="R01,2">{{cite web |title=E131系が配給輸送される |trans-title=E131 series sets R01 and R02 transported |url=https://railf.jp/news/2020/07/22/182000.html |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |access-date=2 March 2024 |location=Japan |language=Japanese |date=22 July 2020 |archive-date=2 March 2024 |archive-url=https://web.archive.org/web/20240302073703/https://railf.jp/news/2020/07/22/182000.html |url-status=live }}</ref> || KuMoHa E131-1 || KuHa E130-1 |- || R02 || KuMoHa E131-2 || KuHa E130-2 |- || R03 | rowspan="2"| 28 August 2020<ref name="R03,4">{{cite web |title=E131系R03編成・R04編成の配給輸送が行なわれる |trans-title=E131 series sets R03 and R04 will be transported |url=https://railf.jp/news/2020/08/29/000000.html |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |access-date=2 March 2024 |location=Japan |language=Japanese |date=29 August 2020 |archive-date=8 October 2020 |archive-url=https://web.archive.org/web/20201008211044/https://railf.jp/news/2020/08/29/000000.html |url-status=live }}</ref> || KuMoHa E131-3 || KuHa E130-3 |- || R04 || KuMoHa E131-4 || KuHa E130-4 |- || R05 | rowspan="2"| 10 October 2020<ref name="R05,6">{{cite web |title=E131系R05・R06編成が配給輸送される |trans-title=E131 series sets R05 and R06 transported |url=https://railf.jp/news/2020/10/11/200000.html |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |access-date=2 March 2024 |location=Japan |language=Japanese |date=11 October 2020 |archive-date=12 October 2020 |archive-url=https://web.archive.org/web/20201012000740/https://railf.jp/news/2020/10/11/200000.html |url-status=live }}</ref> || KuMoHa E131-5 || KuHa E130-5 |- || R06 || KuMoHa E131-6 || KuHa E130-6 |- || R07 | rowspan="2"| 26 November 2020<ref name="R07,8">{{cite web |title=E131系R07・R08編成が配給輸送される |trans-title=E131 series sets R07 and R08 transported |url=https://railf.jp/news/2020/11/27/173000.html |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |access-date=2 March 2024 |location=Japan |language=Japanese |date=27 November 2020 |archive-date=7 December 2020 |archive-url=https://web.archive.org/web/20201207101744/https://railf.jp/news/2020/11/27/173000.html |url-status=live }}</ref> || KuMoHa E131-7 || KuHa E130-7 |- || R08 || KuMoHa E131-8 || KuHa E130-8 |- || R09 | rowspan="2"| 12 February 2021 || KuMoHa E131-9 || KuHa E130-9 |- || R10 || KuMoHa E131-10 || KuHa E130-10 |- || R11 || 2 March 2021<ref name=":0">{{Cite web |date=2021-03-02 |title= |script-title=ja:E131系R11編成が配給輸送される |trans-title=E131 series set R11 to be transported |url=https://railf.jp/news/2021/03/02/230000.html |access-date=2022-06-09 |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |location=Japan |language=ja |archive-date=9 June 2022 |archive-url=https://web.archive.org/web/20220609133710/https://railf.jp/news/2021/03/02/230000.html |url-status=live }}</ref> || KuMoHa E131-81 || KuHa E130-81 |- || R12 || 19 March 2021<ref name="R12">{{cite web |title=E131系R12編成が配給輸送される |trans-title=E131 series set R12 transported |url=https://railf.jp/news/2021/03/21/200000.html |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |access-date=2 March 2024 |location=Japan |language=Japanese |date=21 March 2021 |archive-date=2 March 2024 |archive-url=https://web.archive.org/web/20240302073656/https://railf.jp/news/2021/03/21/200000.html |url-status=live }}</ref> || KuMoHa E131-82 || KuHa E130-82 |} *Sets R11<ref name=":0" /> and R12 are fitted with track monitoring equipment.

== E131-200 series == {{Infobox train | name = E131-200 series | image = | caption = | interiorimage = | interiorcaption = | stocktype = | service = | manufacturer = | factory = | family = | replaced = [[211 series]] | yearconstruction = 2026–present | yearservice = 2026 (planned) | refurbishment = | numberconstruction = 48 vehicles (16 sets) | numberbuilt = 12 vehicles (4 sets) | numberservice = | formation = 3 cars per trainset | fleetnumbers = N1– | capacity = | depots = | lines = {{plainlist| *[[File:JR JC line symbol.svg|18px|link=Chūō Main Line]] {{ric|JR East|CO|name=y}} *{{ric|JR East|SN|name=y}} *{{ric|JR East|SE|name=y}} }} | carbody = | trainlength = | width = | height = | doors = | maxspeed = | weight = | acceleration = | deceleration = | traction = | traction motors = | poweroutput = | transmission = | aux = | powersupply = | hvac = | electricsystem = | collectionmethod = | uicclass = | bogies = | brakes = | safety = | coupling = | notes = }} 20 3-car sets are to be built to replace the ageing [[211 series]] trains from late 2026.<ref>{{cite web |url=https://rail.hobidas.com/news/539916/ |title=長野地区の211系にも引退の足音… E131系投入発表 |trans-title=The 211 series trains in the Nagano area are nearing retirement... E131 series trains announced |website=RM News |publisher=Neko Publishing |location=Japan |language=ja |date=14 May 2026 |access-date=16 May 2026}}</ref>

The first two sets, N1 and N2, were delivered from the J-TREC Niitsu plant in May 2026,<ref>{{cite web |url=https://rail.hobidas.com/rmnews/539700/ |title=【長野地区211系置き換え用】E131系200番代が出場【J-TREC新津】 |trans-title=E131-200 series trains to be delivered to the Nagano area to replace the 211 series trains [J-TREC Niitsu] |website=RM News |publisher=Neko Publishing |location=Japan |language=ja |date=13 May 2026 |access-date=16 May 2026}}</ref> followed by sets N3 and N4 later that month.<ref>{{Cite web |title=E131系200番代N3編成とN4編成が出場｜鉄道ニュース｜2026年5月27日掲載｜鉄道ファン・railf.jp |url=https://railf.jp/news/2026/05/27/000000.html |access-date=2026-05-29 |website=鉄道ファン・railf.jp |language=ja}}</ref>

=== Lines served === The series will serve the following sections of lines:<ref name=":2"/> * [[Chūō Main Line]]: [[Takao Station (Tokyo)|Takao Station]] - [[Shiojiri Station]] * [[Shinonoi Line]]: Shijori Station - [[Shinonoi Station]] * [[Shin'etsu Main Line]]: Shinonoi Station - [[Nagano Station]]

== E131-500/-580 series == {{Infobox train | name = E131-500/-580 series | image = Series-E131-500 G02.jpg | caption = Set G-02 in November 2021 | interiorimage = Series-E131-500 Inside.jpg | interiorcaption = Interior (November 2021) | service = | manufacturer = | factory = | family = | replaced = [[205 series#205-500 series|205-500 series]] | yearconstruction = 2021–2022 | yearservice = 18 November 2021 | refurbishment = | numberbuilt = 48 vehicles (12 sets) | numberservice = 48 vehicles (12 sets) | formation = 4 cars per trainset | fleetnumbers = G-01 – G-12 | capacity = | depots = Kōzu | lines = {{rcb|JR East|Sagami|square}} | carbody = | trainlength = {{convert|80|m|ftin|abbr=on}} (including couplers) | width = | height = | floorheight = | doors = | maxspeed = | weight = | acceleration = | deceleration = | traction = | traction motors = 8 × {{convert|150|kW|0|abbr=on}} | poweroutput = {{convert|1.2|MW|0|abbr=on}} | transmission = | aux = | powersupply = | hvac = | electricsystem = | collectionmethod = | uicclass = Bo′Bo′+2′2′+Bo′Bo′+2′2′ | bogies = | brakes = | safety = | coupling = | multipleworking = | gauge = }}

A total of 12 four-car trains were built for the [[Sagami Line]];<ref name="jr_sagami_press_release" /> the first set (G-01) entered service on 18 November 2021.<ref name="jr_sagami_eis">{{cite web |date=17 September 2021 |title=相模線Ｅ131 系営業運転開始について |trans-title=About the entry of service of the Sagami Line E131 series |url=https://www.jreast.co.jp/press/2021/yokohama/20210917_y1.pdf |url-status=live |archive-url=https://web.archive.org/web/20210918042616/https://www.jreast.co.jp/press/2021/yokohama/20210917_y1.pdf |archive-date=18 September 2021 |access-date=23 September 2021 |language=ja}}</ref> It replaced the existing [[205 series#205-500 series|205-500 series]] trains that have been in service since 1991.<ref name="jr_sagami_press_release" />

These trains were also used on through services between the Sagami Line and [[Yokohama Line]] during the morning and evening rush; these services ended on 11 March 2022.<ref name="2022_march_revision_hachioji">{{cite web|url=https://www.jreast.co.jp/press/2021/hachioji/20211217_hc01.pdf|title=2022年3月ダイヤ改正について（八王子支社）|trans-title=March 2022 timetable revision, Hachioji Branch|date=17 December 2021|access-date=29 December 2021|archive-date=17 December 2021|archive-url=https://web.archive.org/web/20211217141746/https://www.jreast.co.jp/press/2021/hachioji/20211217_hc01.pdf|url-status=live}}</ref>

=== Lines served === The series serves the following sections of lines:<ref name="jr_sagami_press_release" /> * [[Sagami Line]]: [[Chigasaki Station]] - [[Hashimoto Station (Kanagawa)|Hashimoto Station]] * [[Yokohama Line]]: Hashimoto Station - [[Hachiōji Station]] (until 11 March 2022)<ref name="2022_march_revision_hachioji"/>

=== Formations === {{As of|2022|01|26}}, twelve four-car sets (G-01–G-12) are based at Kōzu Depot in [[Kanagawa Prefecture]] and formed with 2 motored ("M") cars and 2 trailer ("T") cars.{{Citation needed|date=October 2023}} Sets G-11 and G-12 are fitted with track monitoring equipment.<ref>{{Cite web |date=2022-01-15 |title=相模線用E131系500（580）番代「G-11編成」が出場 |trans-title=Sagami Line E131-500 (580) series "set G-11" on test |url=https://rail.hobidas.com/rmnews/357895/ |access-date=2022-10-11 |website=RM News |publisher=Neko Publishing |location=Japan |archive-date=11 October 2022 |archive-url=https://web.archive.org/web/20221011194555/https://rail.hobidas.com/rmnews/357895/ |url-status=live }}</ref>

{| class="wikitable" |- |style="background-color:#ccc;"|  |colspan="4"|<div style="float:left;">← Hachiōji, Hashimoto</div><div style="float:right;">Chigasaki →</div> |-style="line-height: 3.3px; background-color: #4DBDE5;" |colspan="5" style="padding:0; border:0;"|  |-style="line-height: 6.7px; background-color: #29698D;" |colspan="5" style="padding:0; border:0;"|  |- ! Car No. !! 4 !! 3 !! 2 !! 1 |- ! Designation | Mc || T || M || Tc' |- ! Numbering | KuMoHa E131-500/-580 || SaHa E131-500 || MoHa E130-500 || KuHa E130-500/-580 |} * Cars 2 and 4 each have a single-arm pantograph.<ref name="jrr2022_winter"/> * All cars have an accessible/priority "free space".<ref name="jrr2022_winter"/> * Car 3 is designated as a mildly air-conditioned car.<ref name="jrr2022_winter"/>

=== Interior === Passenger accommodation consists of longitudinal seating throughout.<ref name="jrr2022_winter"/> Priority seating and wheelchair- and stroller-accessible "free spaces" are provided in each car.<ref name="jrr2022_winter"/>

<gallery class="center"> File:Series-E131-500 Inside.jpg|Interior view File:Series-E131-500 Inside Priority-seat.jpg|Priority seating File:Series-E131-500 Inside Free-space.jpg|Priority seating with free space File:Series-E131-500 Inside LCD.jpg|LCD passenger information display </gallery> {{Clear}}

== E131-600/-680 series == {{Infobox train | name = E131-600/-680 series | image = Series-E131-600 TN6.jpg | caption = E131-600 series set TN6 in March 2022 | interiorimage = Series-E131-600 Inside.jpg | interiorcaption = Interior (March 2022) | service = | manufacturer = | factory = | family = | replaced = [[205 series#205-600 series|205-600 series]] | yearconstruction = 2021–2022 | yearservice = 12 March 2022 | refurbishment = | numberbuilt = 45 vehicles (15 sets) | numberservice = 45 vehicles (15 sets) | formation = 3 cars per trainset | fleetnumbers = TN1–TN15 | capacity = | depots = Oyama | lines = {{Plainlist| * {{rcb|JR East|Nikko Line|square}} * {{ric|JR East|Utsunomiya|name=y}} }} | carbody = | trainlength = {{convert|60|m|ftin|abbr=on}} (including couplers) | width = | height = | floorheight = | doors = | maxspeed = | weight = | acceleration = | deceleration = | traction = | traction motors = 6 × {{convert|150|kW|0|abbr=on}} | poweroutput = {{convert|900|kW|0|abbr=on}} | transmission = | aux = | powersupply = | hvac = | electricsystem = | collectionmethod = | uicclass = Bo′Bo′+2′Bo′+2′2′ | bogies = | brakes = | safety = | coupling = | multipleworking = | gauge = }}

A total of 15 three-car trains were built for the [[Nikkō Line]] and [[Utsunomiya Line]].<ref name="jr_utsunomiya_press_release" /> The first fourteen sets (TN1–TN14) entered service on 12 March 2022.<ref name="2022_march_revision_omiya">{{cite web |date=17 December 2021 |title=2022年3月ダイヤ改正について（大宮支社） |trans-title=March 2022 timetable revision, Omiya Branch |url=https://www.jreast.co.jp/press/2021/omiya/20211217_o01.pdf |url-status=live |archive-url=https://web.archive.org/web/20211217064108/https://www.jreast.co.jp/press/2021/omiya/20211217_o01.pdf |archive-date=17 December 2021 |access-date=29 December 2021 |language=ja}}</ref> It replaced the existing [[205-600 series]] trains that have been in service since 2013.<ref name="jr_utsunomiya_press_release" />

=== Lines served === The series serves the following sections of lines:<ref name="jr_utsunomiya_press_release" /> * [[Nikkō Line]]: [[Utsunomiya Station]] - [[Nikkō Station]] * [[Utsunomiya Line]]: [[Oyama Station]] - [[Kuroiso Station]]

=== Formations === {{As of|2022|02|14}}, 15 three-car sets (TN1–TN15) are based at Oyama Depot in [[Tochigi Prefecture]] and formed with 2 motored ("M") cars and 1 trailer ("T") car (the MoHa E131 car has one motorized bogie and one trailer bogie). Sets TN14 and TN15 are fitted with track monitoring equipment.{{Citation needed|date=October 2023}}

{| class="wikitable" |- |style="background-color:#ccc;"|  |colspan="3"|{{align|left|← Kuroiso, Utsunomiya}}{{align|right|Nikkō, Oyama →}} |-style="line-height: 3.3px; background-color: #DDAF4E;" |colspan="4" style="padding:0; border:0;"|  |-style="line-height: 6.7px; background-color: #6C482D;" |colspan="4" style="padding:0; border:0;"|  |- ! Designation | Mc || M1 || Tc' |- ! Numbering | KuMoHa E131-600/-680 || MoHa E131-600 || KuHa E130-600/-680 |} * The KuMoHa E131 car has two single-arm pantographs, while the MoHa E131 car has one.<ref name="jrr2022_winter"/> * All cars have an accessible/priority "free space".<ref name="jrr2022_winter"/> * The KuHa E130 car has a [[universal design]] toilet.<ref name="jrr2022_winter"/>

== E131-800 series == {{Infobox train | name = E131-800 series | image = JRE Series-E131-800 N5.jpg | caption = E131-800 series set N5 in February 2026 | interiorimage = JRE Saha-E131-808 Inside.jpg | interiorcaption = Interior (February 2026) | stocktype = | service = | manufacturer = | factory = | family = | replaced = [[205-3100 series]] | yearconstruction = 2025–present | yearservice = 1 December 2025 | refurbishment = | numberconstruction = | numberbuilt = 56 vehicles (14 sets) | numberservice = 56 vehicles (14 sets) | formation = 4 cars per trainset | fleetnumbers = N1–N14 | capacity = | depots = Miyagino{{cn|date=December 2025}} | lines = {{rcb|JR East|Senseki|square}} | carbody = | trainlength = | width = | height = | doors = | maxspeed = | weight = | acceleration = | deceleration = | traction = | traction motors = | poweroutput = | transmission = | aux = | powersupply = | hvac = | electricsystem = | collectionmethod = | uicclass = | bogies = | brakes = | safety = | coupling = | notes = }}

14 four-car sets are to be built for use on the [[Senseki Line]] to replace the existing [[205 series|205-3100 series]] trains currently operated on that line.<ref name="railf8001" /> Classified as the E131-800 series,<ref name="E131800N1" /> the first of these sets entered revenue service on 1 December 2025.<ref>{{Cite web |date=2025-12-02  |title= |script-title=ja:E131系800番代N6編成が試運転を実施 |trans-title=Test run conducted for E131-800 series set N6 |url=https://railf.jp/news/2025/12/02/002500.html |access-date=2025-12-01 |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |language=ja |publication-place=Japan}}</ref><ref>{{cite web |url=https://rail.hobidas.com/news/515383/ |title=新車投入を祝して、仙石線で「E131系プロモーション」がスタート!|trans-title=To celebrate the launch of the new trains, the "E131 series promotion" has begun on the Senseki Line! |website=RM News |publisher=Neko Publishing |location=Japan |language=ja |date=26 March 2025 |access-date=14 May 2025}}</ref>

The first set, N1, was delivered on 11 April 2025.<ref name="E131800N1">{{cite web |url=https://rail.hobidas.com/rmnews/518161/ |title=仙石線用E131系800番代（N1編成）の試運転を新潟地区で継続 |trans-title=Test runs of the E131-800 series (set N1) for the Senseki Line continue in the Niigata area |website=RM News |publisher=Neko Publishing |location=Japan |language=ja |date=14 May 2025 |access-date=14 May 2025}}</ref>

== E131-1000 series == {{Infobox train | name = E131-1000 series | image = JRE Series-E131-1000 T1.jpg | caption = E131-1000 series set T1 in January 2024 | interiorimage = Series-E131-1000 Moha-E131-1007 Inside.jpg | interiorcaption = Interior (April 2024) | service = | manufacturer = | factory = | family = | replaced = [[205 series#205-1100 series|205-1100 series]] | yearconstruction = 2023 | yearservice = {{start date|2023|12|24|df=yes}} | refurbishment = | numberbuilt = 24 vehicles (8 sets) | numberconstruction = | formation = 3 cars per trainset | fleetnumbers = T1–T8 | lines = {{ric|JR East|Tsurumi|name=y}} | width = {{convert|2778|mm|ftin|0|abbr=on}} | maxspeed = {{convert|100|km/h|mph|0|abbr=on}} }}

JR East announced in July 2023 that it would introduce eight 3-car E131-1000 series<ref name=":1">{{Cite web |date=2023-10-06 |title= |script-title=ja:E131系1000番代「T1編成」を配給輸送 |trans-title=E131-1000 series set T1 transported |url=https://rail.hobidas.com/rmnews/480780/ |access-date=2023-10-11 |website=RM News |archive-date=2 November 2023 |archive-url=https://web.archive.org/web/20231102003550/https://rail.hobidas.com/rmnews/480780/ |url-status=live }}</ref> sets on the [[Tsurumi Line]] to replace the aging [[205 series#205-1100 series|205 series]] fleet.<ref>{{Cite web |date=2023-07-24 |title= |script-title=ja:JR東日本，鶴見線にE131系を導入 |trans-title=JR East to introduce E131 series to Tsurumi Line |url=https://railf.jp/news/2023/07/24/170000.html |url-status=live |archive-url=https://web.archive.org/web/20230724125506/https://railf.jp/news/2023/07/24/170000.html |archive-date=24 July 2023 |access-date=2023-07-24 |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |language=ja}}</ref> Unlike other E131 series variants, these sets use straight-sided bodywork with a width of {{Cvt|2778|mm|ftin|0}}, as opposed to {{Cvt|2950|mm|ftin|0}} with previous sets.<ref>{{Cite web |date=2023-07-24 |title= |script-title=ja:【205系の行方は？】鶴見線に新型E131系導入車体が今までと少し違う様子…？ |trans-title=[What is the whereabouts of the 205 series?] The introduction of the new E131 series on the Tsurumi Line. The car body looks a little different from before...? |url=https://rail.hobidas.com/news/470348/ |access-date=2023-07-24 |website=RM News |publisher=Neko Publishing |publication-place=Japan |archive-date=24 July 2023 |archive-url=https://web.archive.org/web/20230724125508/https://rail.hobidas.com/news/470348/ |url-status=live }}</ref> They entered service on 24 December 2023.<ref>{{Cite web |date=2023-12-26 |title= |script-title=ja:E131系1000番代が鶴見線で営業運転を開始 |trans-title=E131-1000 series begins operation on the Tsurumi Line |url=https://railf.jp/news/2023/12/26/055800.html |access-date=2023-12-26 |website=Japan Railfan Magazine Online |publisher=Koyusha Co., Ltd. |language=ja |publication-place=Japan |archive-date=26 December 2023 |archive-url=https://web.archive.org/web/20231226061712/https://railf.jp/news/2023/12/26/055800.html |url-status=live }}</ref>

The first two sets, T1 and T2, were built at J-TREC's Niitsu plant and commissioned from October 2023.<ref name=":1" /><ref>{{Cite web |date=2023-10-11 |title= |script-title=ja:鶴見線用のE131系1000番代の第2編成が登場！ |trans-title=Second E131-1000 series set is introduced |url=https://rail.hobidas.com/rmnews/481416/ |access-date=2023-10-11 |website=RM News |archive-date=2 November 2023 |archive-url=https://web.archive.org/web/20231102003552/https://rail.hobidas.com/rmnews/481416/ |url-status=live }}</ref> The last set, T8, was commissioned in December 2023. This set uniquely features track monitoring equipment.<ref>{{Cite web |date=2023-12-19 |title= |script-title=ja:鶴見線向けE131系1000番代T8編成が登場 |trans-title=Tsurumi Line E131-1000 series set T8 appears |url=https://railf.jp/news/2023/12/19/055900.html |access-date=2023-12-20 |website=Japan Railfan Magazine Online |publisher=Koyusha |language=ja |publication-place=Japan |archive-date=20 December 2023 |archive-url=https://web.archive.org/web/20231220215526/https://railf.jp/news/2023/12/19/055900.html |url-status=live }}</ref>

== References == {{reflist}}

[[Category:Electric multiple units of Japan]] [[Category:East Japan Railway Company]] [[Category:Train-related introductions in 2021]] [[Category:1500 V DC multiple units of Japan]] [[Category:J-TREC multiple units]]