This is the first hybrid-system switcher in the world. JR-Freight built HD300 for alternation of generations. JR-Freight will disuse model DE10 in Tokyo metropolitan area. JR-Freight Model:HD300, 901, 1-4 Manufactured:2012 Purpose:Switcher Drive:B-B Power: 270ps, Diesel engine 275PS, Motor 80kW, Generator 170kW/440V, Lithium-ion Battery 67kWh Gross weight:60.0t Gauge:1067mm