The weight of the payload and  the tare weight of the crane itself require its tires with excellent load capacity. Gantry Crane usually makes a turn at an extreme 90-degree angle under load,this make tremendous stress to the tires. Gantry Crane is always exposed ourside. Its tires generally easy to be rusted by rain erosion and ultraviolet radiation.Rock and non-directional tread pattern design provides excellent control stability.  Combinded special compound with reinforcing material of 66-nylon,plus aging resistance sidewall compound provides excellent fatigue-resistance,longer service life. High-end product:E-3L ; Economical product: E-3LA