CTY8ton coal mine flameproof battery electric locomotive Adhesive / total weight (t) 8 ton Track gauge (mm) 500.600.762.900 Traction (KN) 11.18 or 12.83 CTY8 ton battery locomotive for mining / tunnel mining machine electric locomotive for mining Max. Traction (KN) 19.62 Speed(km/h) 6.2~7.8 Battery Voltage (V) 110~140V Battery Capacity (Ah) 440 Power (KW) 11 or 15 KWx2 Dimensions Length(mm) 4420 Width(mm) 920,1082 or 1220 Height(mm) 1600 Wheelbase (mm) 1100 Wheel diameter (mm) 680 Min Curve radius (m) 7 Controller Resistencia o IGBT Braking method Mechanical or air brake