This is a Replacement Motor Control Board for the MC-60 Treadmill. Great 6 Month Warranty! This is an upgraded motor control board that may different from the OEM controller. We may need to contact you regarding your model number information from your treadmill. If we make several attempts but fail to get your information there is a clip chart included to show you how to make the board work for your treadmill. You can also call us @ 888-362-1105 for further instruction.