Orginal 775 Motor VS Fake 775 Motor

Orginal 775 Motor VS Fake 775 Motor


What is 775 motor? You might have seen 775 written on some popular DC motor. But many people don’t know what actually 775 dc motor is other than it is a motor used for various heavy-duty applications and projects.

The 775 model of DC motor represents a certain ‘size‘ of the motor body outer frame. This size is standard for all 775 motors.

The number 775 is the Size ID of motor accepted as a standard.
Note that ±1 mm error of body size is acceptable, but not the shaft diameter and length.

The 775 dc motors have a standard size of 66.7 x 42.0 mm. The 42.0 is the outer diameter as the motor is cylindrical, wheres 66.7 mm is its height. The number 775 stands for this standard size. It is in the same fashion to the number with 130/ 140 motor.