Many Moha 43 and Kuha 58 cars were remodeled into cars with four doors and were also changed to Moha 64 and Kuha 85 (Moha 42 cars with four doors were changed to Moha 32 - the second).
その後、多くのモハ43、クハ58が4扉化改造されることとなり、形式もモハ64、クハ85と改められた（モハ42の4扉改造車はモハ42のままモハ32（2代目）に改番）。