Many of them drifted from company to company after they were sold, and some of them were registered at Japan National Railway two or three times due to the nationalization of private railways to which they belonged.
譲渡後も私鉄の間を転々としたものが多く、中にはその私鉄の国有化によって、再度あるいは三度も国有鉄道に籍を移したものがある。