長春軌道客車
In April 2013, Chinese firm Changchun Railway Vehicles Co., Ltd. (CNR) was declared the preferred manufacturer of the trains for the railway. A prototype vehicle was displayed at Monas (National Monument) in central Jakarta from 22 June to 14 July 2013. In early May 2013 marketing firm XM JWT Jakarta was appointed to handle all branding, advertising, events, PR and digital marketing. The consortium ran a public competition on its website to choose the name the new system: "JET", an acronym for "Jakarta Eco Transit".