AC motor commercial treadmill 1, AC motor 3.5HP, continuous 5.0HP/7.5HP peak. 2, 1.0~20km/h, incline 0~15% 3, Aluminum frame. ... DESCRIPTION AC Motor commercial treadmill1) High quality Aluminum frame ... , Comfortalbe, Durable, Anti static.3) AC motor 3.5HP, continuous 5.0HP/7.5HP peak Motor with PWM controling system, save electric ...