The Tokyu 6000 series (東急6000系, Tōkyū 6000-kei) is an electrical multiple unit (EMU) train type operated by the private railway operator Tokyu Corporation on express services on the Tokyu Oimachi Line in Japan since 28 March 2008. Based on the 5000 series design, cars have four sets of doors per side with a more aerodynamic front end design than its predecessors.