It is inbred DC electric locomotive EF30 alternating electric and Kyushu district 0/1960 (1960) in connection with the DC section of the Sanyo main line train station Moji station, was active in the kanmon Strait tunnel. Are used in the special environment of the undersea tunnel has rust for stainless steel body with a Mainland and worked, driving most of the Kyushu passenger trains and freight trains. Unique locomotive driving vehicle axis wheel motor in addition to AC drive is limited to Moji station driving low AC output, one such characteristics can be found everywhere. Passenger train (train and baggage trains) is single, used in tandem if the freight train was active, but time JR migration of 0/1987 (1987), most of which ef81 responsible for conveyance of the land disappeared.