In exchange, out of the twenty-six Moha 51001-51026 cars used for rapid trains of the Chuo Line during the prewar era converted to Moha type 41 during the wartime, twenty-three cars, except for three cars damaged by air raids, were transferred to the Keihanshin Local Line (Saha 78 cars, converted cars of Saroha 66 cars, and Kuha 85 cars, converted cars of Kuha 47 cars, were introduced to the Osaka Loop Line and Sakurajima Line from which type 63 cars were transferred).
これらの車両を元手に、戦前中央線快速に配属され、戦時中にモハ41型への編入改造を受けたモハ51001～51026のうち、戦災廃車の3両を除いた23両全車を京阪神緩行線に転入させた（63系をトレードした大阪環状線・桜島線には、サロハ66改造のサハ78や、クハ47改造のクハ85が転入している）。