The 4500 Series HD features a powerful American-made motor with all-metal gearbox and incredibly reliable magnetic brake. Heavy-duty extruded aluminum torsion arms are equipped with patented spiral-reinforced elbows for flexibility to move smoothly overloads. It is available for all trailer makes and models. The 4500 Series HD’s motor produces optimal rather than increased torque (which can harm your tarp system). No electrical energy is used to actuate the brake, so there are no electrical connections to misfire. A patented pivoting motor mount allows for any misalignment of the roll tube without stress to the system.
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