{
  "edition": "2026-11-07",
  "id": "jre-e131",
  "locale": "zh-Hans",
  "url": "https://senroam.com/zh-Hans/trains/jre-e131/",
  "name": "E131 · Nikkō Line · 日光線",
  "summary": "E131 · Nikkō Line · 日光線 · The same series number appears on the Nikkō and Tsurumi lines. JR East designed the E131 for short formations across several regional and suburban routes.",
  "type": "train",
  "questions": [],
  "sources": [
    {
      "url": "https://www.jreast.co.jp/train/local/e131.html",
      "checked": "2026-11-07",
      "lang": "ja"
    }
  ],
  "detail": "The same series number appears on the Nikkō and Tsurumi lines. JR East designed the E131 for short formations across several regional and suburban routes.",
  "technical": {
    "record": [
      [
        "E131 · 相模線 / Sagami",
        1,
        "4 · 2M2T",
        "e131"
      ],
      [
        "E131 · 房総・鹿島 / Bōsō–Kashima",
        1,
        "2 · 1M1T",
        "e131"
      ],
      [
        "E131 · 相模線・房総・鹿島",
        7,
        "2,950 mm",
        "e131"
      ],
      [
        "E131 · 相模線・房総・鹿島",
        3,
        "SiC · VVVF",
        "e131"
      ],
      [
        "E131 · 相模線・房総・鹿島",
        4,
        [
          "Fully enclosed induction motor",
          "全閉型誘導電動機"
        ],
        "e131"
      ],
      [
        "E131 · 相模線・房総・鹿島",
        9,
        "110 km/h",
        "e131"
      ]
    ],
    "sources": [
      {
        "id": "813",
        "title": "813系電車ロングシート化します",
        "publisher": "JR九州",
        "url": "https://www.jrkyushu.co.jp/news/__icsFiles/afieldfile/2023/11/30/231130_813_long-seat.pdf",
        "source_language": "ja",
        "effective_date": "2023-11-30",
        "locator": "§1",
        "supports": "Converted three-car set; 120 longitudinal and 28 box seats.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "815",
        "title": "社会・産業・家庭",
        "publisher": "日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/2000/01/2000_01_06.pdf",
        "source_language": "ja",
        "effective_date": "2000-01",
        "locator": "九州旅客鉄道株式会社納め815系電車",
        "supports": "A-train, FSW aluminium double-skin body, IGBT equipment; delivered June–September 1999.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "817",
        "title": "最近の鉄道車両 A-train",
        "publisher": "日立評論",
        "url": "https://www.hitachihyoron.com/jp/pdf/2003/08/2003_08_02.pdf",
        "source_language": "ja",
        "effective_date": "2003-08",
        "locator": "Opening figure, 817系電車",
        "supports": "817 belongs to the A-train aluminium vehicle system.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "821",
        "title": "第8回グリーンボンド レポーティング",
        "publisher": "JR九州",
        "url": "https://www.jrkyushu.co.jp/company/ir/library/greenbond/pdf/241218_8th_greenbond_reporting_jp.pdf",
        "source_language": "ja",
        "effective_date": "2024-03-31",
        "locator": "821系車両新製",
        "supports": "SiC main circuit; March 2019 service entry Kokura–Arao.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "701",
        "title": "701系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/701.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "車両紹介",
        "supports": "AC train; standard-gauge variants for mini-Shinkansen corridors.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e127",
        "title": "E127系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/e127.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "車両紹介",
        "supports": "Two-car minimum; three doors per side; semi-automatic door operation.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e129",
        "title": "E129系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/e129.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "基本情報・車両紹介",
        "supports": "DC; 110 km/h; E233 technology.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e131",
        "title": "相模線E131系車両の概要",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/press/2021/yokohama/20210917_y1.pdf",
        "source_language": "ja",
        "effective_date": "2021-09-17",
        "locator": "別紙2 comparison table",
        "supports": "Sagami 4 cars 2M2T; Boso/Kashima 2 cars 1M1T; 2950 mm; stainless steel; 110 km/h; SiC VVVF, enclosed induction motors.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "e721",
        "title": "E721系",
        "publisher": "JR東日本",
        "url": "https://www.jreast.co.jp/train/local/e721.html",
        "source_language": "ja",
        "effective_date": null,
        "locator": "基本情報・車両紹介",
        "supports": "120 km/h; 0,500,1000 subseries, lower passenger floor.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "ginza",
        "title": "東京メトロ 銀座線1000系 主要諸元",
        "publisher": "東京メトロ",
        "url": "https://www.tokyometro.jp/corporate/enterprise/passenger_rail/cars/working/ginza_1000/pdf/specifications.pdf",
        "source_language": "ja",
        "effective_date": "2023-03-31",
        "locator": "p.1, specification table",
        "supports": "Six cars; 16000 ×2598 ×3465 mm; PMSM, VVVF; 80 km/h design speed; 3.3 km/h/s acceleration.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      },
      {
        "id": "tram",
        "title": "フォトギャラリー",
        "publisher": "鹿児島市交通局",
        "url": "https://www.kotsu-city-kagoshima.jp/cust-photo/",
        "source_language": "ja",
        "effective_date": null,
        "locator": "1000形・7500形 vehicle specification tables",
        "supports": "7501–7504 dimensions and motor rating; 1011 dimensions.",
        "checked": "2026-11-07",
        "rights": "Consulted for facts. No source text or artwork redistributed."
      }
    ]
  },
  "engineering": {
    "record": {
      "scope": {
        "en": "Sagami-line four-car E131 specification, September 2021.",
        "ja": "2021年9月の相模線用E131系4両編成仕様。"
      },
      "facts": [
        {
          "label": {
            "en": "Compressed air",
            "ja": "圧縮空気"
          },
          "value": {
            "en": "Oil-free scroll compressor.",
            "ja": "オイルフリーのスクロール式空気圧縮機。"
          },
          "sources": [
            "regional:reg-e131-sagami"
          ]
        },
        {
          "label": {
            "en": "Door mechanism",
            "ja": "ドア機構"
          },
          "value": {
            "en": "Electric rack-and-pinion door drive.",
            "ja": "電気式ラック・ピニオン方式の戸閉装置。"
          },
          "sources": [
            "regional:reg-e131-sagami"
          ]
        },
        {
          "label": {
            "en": "Auxiliary power",
            "ja": "補助電源"
          },
          "value": {
            "en": "Static inverter auxiliary supply.",
            "ja": "静止形インバータによる補助電源。"
          },
          "sources": [
            "regional:reg-e131-sagami"
          ]
        },
        {
          "label": {
            "en": "Monitoring scope",
            "ja": "モニタリングの対象"
          },
          "value": {
            "en": "Vehicle-condition monitoring; track-condition monitoring on selected formations.",
            "ja": "車両状態監視を装備。線路設備監視は一部編成。"
          },
          "sources": [
            "regional:reg-e131-sagami"
          ]
        }
      ],
      "insights": [
        {
          "title": {
            "en": "Inspection during passenger service",
            "ja": "営業車で線路を見守る"
          },
          "text": {
            "en": "Selected trains carry track-monitoring equipment; this capability must not be attributed to every E131 set.",
            "ja": "一部編成は線路設備モニタリング装置を搭載する。E131系全編成の装備として扱わない。"
          },
          "sources": [
            "regional:reg-e131-sagami"
          ]
        }
      ],
      "gaps": [
        "These equipment details are scoped to the Sagami release; other E131 subseries need their own specifications."
      ]
    },
    "sources": {
      "regional:reg-e131-sagami": {
        "title": "相模線E131系営業運転開始について",
        "publisher": "JR東日本横浜支社",
        "url": "https://www.jreast.co.jp/press/2021/yokohama/20210917_y1.pdf",
        "date": "2021-09-17",
        "language": "ja",
        "locator": "別紙2 主要諸元・車両の特徴",
        "checked": "2026-11-07"
      }
    },
    "checked": "2026-11-07"
  },
  "literature": []
}