Yard Pro Estate Series riding mower 18 HP Kohler engine 44" cut automatic transmission They think MTD makes it, but are not sure. It's a lawnmower that they bought used, so they don't know how old. Mower repair guy told them that Craftsman parts fit it. They put in a new battery and new tubes in all 4 tires. It's a 44 inch cut, with 3 blades.