İZBAN E22100

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4 ft 8+1⁄2 in standard gauge

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 Egeray 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.^[3]