The ProForm CrossWalk 480 treadmill allows you to burn more calories in less time because of its upper body arms and 6 built in workouts. In fact, you can burn up to 50% more calories than with a regular treadmill. The SoftFlex cushioning also lowers the impact on your joints by up to 15% less than running on pavement. Other features include QuickSpeed Control, a 2.75 hp motor, 275 lb weight capacity, and a 7 year warranty on the motor.