The İZBAN E22100 series, commonly nicknamed Gulf dolphin (Turkish: Körfez Yunusu), are Electric Multiple Units that were built by Hyundai Rotem for İZBAN A.Ş.

in order to increase its fleet.

[1] Each set has 3 permanently coupled cars and are used for commuter service in İzmir.

[2] The first set entered service on 30 August 2014 and the last one (40th) on 31 December 2015.

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