I have a John Deere zero turn and I mow about 4 acres a week. 23 hp Kohler, 54 inch cut. It only has about 55 hours on it but I have had no issues with it. My son has a kubota zero turn 23 hp kohler,54 inch cut with 400 hours on it that he mows a total of 10-15 acres a week. The kubota has...