| E231 series | |
|---|---|
 Chuo–Sobu Line E231-0 | |
| In service | 2000–now |
| Scrapped | 2010–2011 (6 Door cars) |
| Number built | 2,736 |
| Number in service | 2,476 (+48 converted) |
| Successor | E235 series (Yamanote Line) |
| Specifications | |
| Track gauge | 1,067mm |
The E231 series (E231系, E231-kei) is an electric multiple unit (EMU) train type used for commuter and outer-suburban services operated by East Japan Railway Company (JR East) in Japan since 2000.
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E231-0 series: 8-car, 10-car, and 10+5-car sets used on the Chūō–Sōbu Line, Jōban Line, Narita Line, Musashino Line, and the Keiyō Line E231-500 series: 10-car sets used on Chūō–Sōbu Line
E231-800 series: 10-car sets used on Chūō–Sōbu Line and Tokyo Metro Tozai Line interrunning services E231-900 series: 8-car set used on the Musashino Line and Keiyō Line
E231-1000 series: 10+5-car suburban sets used on the Tōkaidō Main Line, Utsunomiya Line, and Takasaki Line, and on Ueno–Tokyo Line and Shōnan–Shinjuku Line through services
E231-3000 series: 4-car sets converted from former E231-0 series sets for use on the Kawagoe Line and Hachikō Line
E231-500 series: 11-car sets used on the Yamanote Line from 21 April 2002 until 20 January 2020 E231-900 series: 10-car set used on the Chūō–Sōbu Line from December 1998 until 25 February 2020 (designated as 209-950 series until June 2000)
.svg){kind=logo} Multiple units of East Japan Railway Company | |||||||||||||||||||||||||||||||||||||||||||
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