The proform power 545i treadmill provides a powerful feel and quiet operation thanks to its 25 chp mach z motor and has a top speed of 18kph 112mph to let you boost your fitness level to an all time high for a more efficient workout you can choose from 10 levels of incline and for maximum comfort while running walking or jogging there is a roomy 51cm 20 x 140cm 55 running deck adjust speed and incline quickly via quick speed and incline controls and check your progress on a user