The Silverliner V is an electric multiple unit railcar designed and built by Hyundai Rotem.

The cars feature expanded interiors and windows, additional entrances and screens used to display information about the service.

[12] The agency received some of the trains back in September 2016; but subsequently withdrew 18 cars after an additional defect was identified – a “clearance issue” that led to occasional contact between old and new components.

Differences between the RTD and SEPTA cars include support for only 25 kV 60Hz AC electrification, two center-opening high-level doors per side, less powerful traction motors, full-width cabs, and bells.

This phenomenon also affects audio and PA electronics inside the cars, although Hyundai Rotem has fitted filters to lessen the effect on internal equipment.