The StaffThese commercial grade aerators offer affordable pricing for schools, landscapers and estate owners. With rugged steel construction and greaseable bushings on a 1” diameter shaft, the Pro-Aerator comes in widths of 42”, 63”, 84” and 105” and is operated behind 18-30 HP tractor. Coring spoons reach up to 4” depth depending of soil conditions. Independently mounted spoon wheels allow easier turning and minimize turf damage.