N Scale Popondetta JR Kyushu 305 Series EMU Commuter Train Prototype 6 Cars Set August 18, 2026 By 0 JR Kyushu 305 Series EMU Commuter Train “Prototype” Set of 6 Cars. The 305 series was announced on 31 July 2014 as a new type of train that could perform through-running through the JR Kyushu Chikuhi Line and the Fukuoka Subway Kūkō Line.