Gates 40 In. L x 1/2 In. W PoweRated V-BeltRecommended for high horsepower applications. PoweRated belts are especially designed to handle the severe operating conditions found clutching, heavy shock loaded, and back idler driven lawn and garden equipment in the 3 to 15 HP (horsepower) range. Bareback construction for smooth clutching on shock loaded, backside idler driven equipment. Aramid fiber tensile cords. Gates PoweRated cross reference guide available on request. What PoweRated numbers