title: 821 series
text: # 821 series
  
  The 821 series (821系) is an AC electric multiple unit (EMU) train type on order by Kyushu Railway Company (JR Kyushu) in Japan. Two three-car trains were delivered in February 2018 for testing in preparation for full production and entry into revenue service. Revenue service commenced in March 2019. There are currently 7 three-car trains in service.
  
  ## Formation
  
  The 821 series trains are formed as three-car sets as follows.
  
  | Designation | Mc | T | Tc |
  | - | - | - | - |
  | Numbering | KuMoHa 821 | SaHa 822 | KuHa 821 |
  
  * The pantograph end of driving car KuMoHa 821-2
  
  ## History
  
  Details of the trains on order were officially announced by JR Kyushu in January 2018. Two three-car trains were delivered in February 2018 from the Hitachi factory in Kudamatsu, Yamaguchi.
  
  The trains first entered revenue service on 16 March 2019 on the Kagoshima Main Line.
  
  