... system, vehicle frame, suspended system, steering system, brake system, vehicle body, air conditioner, sweeping system, suction system, container, water spray system, hydraulic system, and electrical control system ... ’ technical parametersModelYHD51Size Size4665(3905 not include side brushes)×1670×2250mmWheel distanceFront1350mmRear 1300mmwheelbase1600mmFront suspension1935(1175 not include side ...