... 2.1 FrameQY70K Truck Crane Technical Specification,crane,truck mounted crane Self-designed and manufactured frame with all floors covered, ... system2.31 Transmission9- speed fixed shaft mechanical transmission, rear axles driven.2.3.2 AxlesHeavy load bearing axles, ... , anti-vibration and corrosion- proof. 3 windshield wipers, rear vision mirrors of large view, electric control window washers, safety ...