... and Hydraulic brake 4Stepless speed control 5 CE certified Tow tractor Safety and StabilityMulti-function display:battery state ... wheel,oil tube,accelerator,controller etc.OptionCabin.Double front lamp. Main specifications: ModelQDD20QDD30QDD50QDD60 Drive typeElectricElectricElectricElectric Operation ... 1170117012801280 Rear hanging distance L2(mm)350350450450 Tread,front W2(mm)0000 Tread,rear W1(mm) ...