The Stairmaster 612 Treadmill is equipped with a powerful 2 HP AC Continuous drive motor that will surely give you an enjoyable and intense workout on a 20” x 60” running surface. The treadbelt that runs smoothly and accommodates long strides with wider side platforms and the belt is two-sided. For easy and comfortable grip the front rails are padded. This machine has a speed range of up to 12 mph and an incline of 15%. Exercise programs include; manual, count-down time, and count-up time to keep you motivated and challenged. The Stairmaster 612 Treadmill has a TripleFlex shock absorption system to reduce impact on your ankles and knees, a cooling button and a tough welded steel frame. To keep track of your workout progress and your stats you can use the LED display console readout. The Stairmaster 612 s Treadmill has a dimension of 51 x 88.5 x 31 and a maximum weight capacity of 350 lbs.