DESC: Landice treadmills feature the " Softer than Grass" VFX shock absorption system. Landice use a 3 horsepower continuous-duty drive motor. Made in the USA, this motor can continuously deliver 3 HP without overheating. The Landice aluminum frame,with up to a 500-pound capacity is the strongest in the industry. Landice large diameter rollers require less tension than smaller rollers since they have more surface area to grab the belt The Landice high-inertia cast flywheel not only provides for a smooth feel, it also protects the motor and electronics from damaging foot-plant spikes that reduce life.