WESTbahn Class 4100 “Panda” double-decker electric multiple unit (EMU) train. The trains were built by the Chinese company CRRC Zhuzhou Locomotive Co., Ltd. (CRRC ZELC) for the Austrian private railway operator WESTbahn Management GmbH. They are designed for long-distance travel, feature a distinctive white, blue, and yellow livery, and comply with EU Technical Specification for Interoperability (TSI) standards. Each six-car train set has 571 seats and a capacity of up to 1,280 passengers, with a maximum speed of 200 kilometres per hour.