... -50t towing mass 2.6X4 3. New brand trailer Truck modelSTQ4250L7Y9S3Approach angle25° ColorRed,white,silverDeparture angle45° Overall dimension(L× ... sheet(8mm+4mm),Frame width 860mm Tire315/80R22.5 tubeless tire,aluminium wheel rim Fuel tank430L,aluminium alloy Exhaust systemMuffler, anti ... air shut-off brake,3.Assistant brake:engine exhaust brake trailer