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: 10'; OVerall Length: 16' w/o harrows, 23.5' w/ harrows; Tine Spacing: 7.5"; Required Horsepower: 85-130 PTO HP; Weight: 3, 350 lbs. w/o harrows, 5, 250 lbs. w/ harrows; Tire Size: 11L-15Fl; Number of Tires: 4.