E231 series

Japanese electric multiple unit train type

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.

E231 series
Chuo–Sobu Line E231-0
In service2000–now
Scrapped2010–2011 (6 Door cars)
Number built2,736
Number in service2,476 (+48 converted)
SuccessorE235 series (Yamanote Line)
Specifications
Track gauge1,067mm

Variants

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Former operations

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  •   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)
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