Small AC Gear Motor with Planetary, Spur and Worm GearboxRelated Products Brushed DC (PMDC) Gear Motor Brushless (BLDC) Gear Motor Geared Stepper Motor 90mm GM90YN AC Gear Motor, Spur Gearbox Gear reduction ratio 3-180; RPM: 500-8 ; Load capacity up to 2832 Oz-in