Protect your soil and maximize your resources with the innovative tilling technology of Smart-Till. From soil management to pasture/hay management, Smart-Till's patented tines help optimize yield by fracturing rather than turning soil. Tilled Width: 15'; OVerall Length: 18.5' w/o harrows, 26' w/ harrows; Tine Spacing: 7.5"; Required Horsepower: 130-200 PTO HP; Weight: 5, 000 lbs. w/o harrows, 7, 850 lbs. w/ harrows; Tire Size: 11L-15Fl; Number of Tires: 4.