The Osaka Municipal Subway/Osaka Metro 10 series (大阪市交通局・大阪メトロ10系) was a rapid transit electric multiple unit (EMU) train type operated by Osaka Municipal Subway in Japan between 1976 and 2022.
Ten trainsets were upgraded to use Variable-frequency drive (VVVF) technology, increasing efficiency.
The 10 series were among the first trains powered by a third rail to be equipped with an air conditioning system.
[3]The 10 series were the main rolling stock on the Midōsuji Line since 1976.
[2] The last trainset retaining its original chopper motors (1113) was retired on 9 July 2020.