Exerpeutic 100XL Heavy Duty Magnetic Manual Treadmill Review. ... model number 4010. Old description and model number: Exerpeutic 100XL Heavy Duty Magnetic Manual Treadmill with Pulse, model number 1000. ... The treadmill has been tested up to 325 lbs user weight capacity (against +/250 lbs for cheaper models) allowing you to walk your way to ...