Minebea Motor's GT geared series is a unit of stepping motor with Minebea's ball bearings and low-backlash gearbox. GT geared motors are available with five different gear ratios: 1:3.6, 1:7.2, 1:10, 1:20, and 1:30.
* Direction of rotation of the motor and that of the gear output shaft are the same for the gear ratios 1:3.6, 1:7.2 and 1:10. It is the opposite for 1:20 and 1:30 gear ratio.