The Wheel Horse 720-Z is a zero-turn mower introduced in 1987 as part of the 700 Series by Wheel Horse, a part of Toro. It features a 20 hp Kohler M20S 770cc 2-cylinder air-cooled gasoline engine, hydrostatic Eaton 7 transmission with infinite forward and reverse speeds, and two-wheel drive with chain final drives. The mower has an open operator station and power steering. It includes a mid PTO with independent manual clutch. Dimensions include a 42 inch wheelbase, 72 inch length, 48 inch width, and a weight of 1000 lbs. Tires are 13x5.00-6 front and 22x12.00-8 rear. Attachments available include 50" and 60" mid-mount mower decks and a 48" front-mount blade.