... Gear box ratio:55:1/60:1 4.Output speed:50-75rpm Auto Garage Door DC Motor ,12V DC Motor1.Motor size:63mm ... DC24V,DC48V,DC110V,DC220V 4.Gear box ratio:55:1/60:15.Output speed:50-75rpm6.Gear material: ... products are of good looking, low noise, long life and easy to be setted. Inside the motor, we ... output speed and output shaft size can be made to fit what you want. Garage Door Motor,12V 24V DC motor 68