After the Series 651 AC/DC limited express train had retired as the limited express "Super Hitachi" on the Joban Line, it underwent remodeling and continued to be used as the limited express "Swallow Akagi" on the Takasaki Line system and as the "Kusatsu" and "Akagi" replacing Series 185. Grieved after by many, its retirement from fixed-time operations as a Takasaki Line limited express was announced with schedule revisions in March 2023.

 

Composition of Trains