It was an electric car (accompanying car) called Saha 4 which was used by the Hirose Line of Ichibata Electric Railway Co. ltd., and the company purchased it in 1960 when the above line was abolished.
1960年（昭和35年）廃止となった一畑電気鉄道一畑電気鉄道広瀬線の電車（付随車）サハ4を購入したもの。