From the introduction of series 103 on the Keihanshin Local Line, type 51 cars were transferred to the Iida Line, Minobu Line, Ako Line, and other lines, as well as the type 72 cars to the lines on the metropolitan rings and the Hanwa Line.
なお、103系投入によって51系が飯田線や身延線、赤穂線などに転属したほか、72系が首都圏の周辺線区や阪和線などに転属した。