Then, the rest of four-door cars of Keihanshin Local Line were transferred to the Joto/Nishinari Line, and instead, three-door cars, mainly type 51 cars with cross-seats, were transferred to the Keihanshin Local Line.
続いて、京阪神緩行線に残留していた戦時中の4扉改造車を城東・西成線に転出させ、代わりに51系出自の旧クロスシート車を中心に3扉車を京阪神緩行線に転属させた。