The M250 series , branded "Super Rail Cargo", is a freight electric multiple unit (EMU) train type operated by Japan Freight Railway in Japan. It entered service in 2004 with the objective of reducing emissions and carrying general freight for small package forwarders. The M250 series is JR Freight's first container train with distributed traction. It is manufactured by Nippon Sharyo, Kawasaki Heavy Industries, and Toshiba.

Japan Freight Railway Company , or JR Freight , is one of the seven constituent companies of Japan Railways Group. It provides transportation of cargo nationwide throughout Japan. Its headquarters are in Shibuya, Tokyo near Shinjuku Station.