Frame size numbers indicate motor faceplate dimensions. A size 11 stepper motor, for example, has a 1.1 × 1.1-in. faceplate while a size 23 stepper motor faceplate is approximately 2.3 × 2.3-in ...

For electrified vehicles, the STLA Frame platform supports motors at the front and rear axles to form all-wheel-drive systems. The most powerful electric motors generate 335 hp, and Stellantis ...