[1] The 5500 series was the first variable-frequency drive-equipped train type to be introduced by the Hanshin Electric Railway.
[1] As of 1 April 2016[update], nine four-car sets are in service, formed as shown below.
[4] Refurbishment includes the addition of external passenger door control buttons, full-colour LED destination display panels, and a new blue livery.
[4] Hanshin unveiled the first 5500 series set modified for use on the Mukogawa Line in March 2020.
The 591x cars were fitted with driver's cabs based on those of the 9000 series and two single-arm pantographs.