CJY3/6GB Underground Trolley Electric Mining Locomotive For Subway Adhesive / total weight (t) 3 ton Track gauge (mm) 500.600,762 or 900 Traction (KN) 6.1kN/ 5.74kN Max. Traction (KN) 7.36kN Speed(km/h) 10.6km/h/ 7.5km/h Voltage 250 or 550V Power (KW) 6.5*2 or 12*1 Dimensions Length(mm) 2700mm/ 2750mm Width(mm) 940,1082 or 1220mm Height(mm) 1550 Wheelbase (mm) 816mm/ 850 mm Wheel diameter (mm) 650mm/ 520 mm Min Curve radius (m) 5.7-6 m Controller Resistance or IGBT Braking method Mechanical or Hydraulic Brake