Quinton Hyperdrive Treadmill The marked improvement is the remarkable quinton Hyperdrive™ AC Motor drive system, specifically designed by Quinton™ for Heavy-duty Treadmill use. This exceptionally quiet, exclusive management system delivers a precise speed control and natural walking or running sensation with no "lag" when the foot strikes the belt. It also incorporates TripleFlex™ shock absorption, which provides super cushioning while at the same time preventing the "trampoline effect". Cool down button, which gradually slows the treadmill down. SPECIFICATIONS: * Motor : 3 HP (AC) * Running surface : 20"W x 60" * Dimensions: 31"W x 87.5"L x 53" H * Weight : 400lb. (crated for shipping 450lb.) * Power : 115Volts (Requires a 20-amp dedicated circuit) * TripleFlex™ shock absorption : provides two levels & sets of shock mounts.Self-centering Walking Belt Reversible Permanently lubricated deck: does not require waxing for the entire life of the deck. * Welded Steel Frame * Speed : 1 mph - 12 mph Incline : 0 - 15% This ad has had 79,048 displays and 4,404 readers