Horizon T73 Treadmill Folding treadmill with 2.25 horsepower continuous duty motor for quiet operation Maximum speed of 12 miles per hour, 0 to 12-percent incline grade Eight preset programs (including two custom), 20 x 55-inch running area Featherlight lift system incorporates two hydraulic shocks to assist in raising and lowering Lifetime frame warranty, 12 years for motor