Professional manufacturer of DC gear motor, available product specifications as below: DC motor, 12V DC motor, DC gearbox Motor Motor voltage: 12v, 24v, 36v, 90v, 110v, 180v, and 220v Inputspeed: 800, 1000, 1200, 1500, 1800, 2000, 2800, 2850, 3000, 4000, 4500, 6000 and 8000r. p. m, Gearbox ratio:3, 3.6, 5, 7.5, 9, 10, 12.5, 15, 18, 20, 25, 30, 36, 50, 60, 75, 90, 100, 120, 150, 180, 250; Gearbox output speed: Depends on diverse of ratio; Totally, we'd need to know your motor voltage, final output speed and torque then confirm correct item for you, should you have any query pls let us know.