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Types of Treadmills - Electric and Non Electric You can increase your physical workload by running on a treadmill, without needing an electrical outlet. If you're looking to maximize the training gains but want to go beyond standard motorized treadmills. Manual treadmills, also known as self-propelled treadmills or non-motorized machines make use of your body weight and effort to move the belt. These machines usually have a slight incline and a curve that helps get the belt moving. Traditional Manual