Go wider with the 72-inch, tow-behind AE72 and aerate as much as three acres per hour. The AE72 comes standard with 96 aeration tines, but can be doubled for up to 192. Six weight trays – each equipped to hold 150 pounds of weight for a total of 900 pounds – ensure the ultimate in ground penetration for highly productive aeration in the toughest ground conditions. Cast-iron aeration wheels provide heavy-duty durability and additional weight for more effective tine penetration. 6×6 inch aeration pattern. With optional 0.5-inch coring tines, long and short slicing knives, or open-spoon tines, you can customize performance based on your turf type and aeration needs. Clevis and pin type hitch.