Nihon Railway was purchased by the nation and nationalized after the Railway Nationalization Act was enacted in 1906, and two locomotives belonging to it were returned to the government-managed railway.
1906年（明治39年）に制定された鉄道国有法により、日本鉄道は買収・国有化され、同社に分かれていた2両は、再び官設鉄道に戻った。