Condition: Item type: Reduction motor Material: Metal Available types: One stage, Two stage, Three stage, Four stage (6 mm diameter) Key benefits Increases torque and reduces output speed to match actuator requirements. Ideal where higher torque and smoother motion are needed. Compact metal construction delivers durability and long service life for continuous use in small mechanisms. rigidity and precision improve positional control and repeatability. Low noise operation, with noload noise under 48 dB for quieter systems. Single stage transmission efficiency is , typically 97 to 98 percent, helping maintain motor performance. Technical specifications 6 mm One Stage reduction motor Rated voltage: 3.0 V DC Start voltage: 1 V DC Noload current: 50 mA Blocking current: 230 mA Output RPM: 6420120 RPM Torsion used: 5 g.cm Transmission ratio: 5.14:1 Noload noise: less than 48 dB 6 mm Two Stage reduction motor Rated voltage: 3.0 V DC Start voltage: 1 V DC Noload current: 50 mA Blocking current: 230 mA Output RPM: 1200120 RPM Torsion used: 27 g.cm Transmission ratio: 26.45 Noload noise: less than 48 dB 6 mm Three Stage reduction motor Rated voltage: 3.0 V DC Start voltage: 1 V DC Noload current: up to 230 mA Blocking current: 200 mA Output RPM: 242120 RPM Torsion used: 120 g.cm Transmission ratio: 136.02 Noload noise: less than 48 dB 6 mm Four Stage reduction motor Rated voltage: 3.0 V DC Start voltage: 0.5 V DC Noload current: up to 200 mA Blocking current: 200 mA Output RPM: 465 RPM Torsion used: 180 g.cm Transmission ratio: 699.5 Noload noise: less than 48 dB Application and compatibility Designed to be fitted with stepper motors and servo motors to reduce speed, increase torque, and help equalize inertia between stages. Metal gearing and compact form factor make these reduction motors suitable for integration into small electromechanical systems and robotic assemblies. Consistent manufacturing tolerances provide good interchangeability across units of the same stage type. Typical use scenarios Robotic joint or actuator: Use the two, three, or four stage options where higher torque and precise slow motion are required for arms, grippers, or small manipulators. Precision control mechanisms: One stage or two stage configurations are suitable for pantilt cameras, optical drives, or precision positioning where moderate torque and low noise are important. Hobby and model applications: Integrate into small vehicles, model gearboxes, or custom servo builds when compact size and reliable torque multiplication are needed. Features summary Metal construction for wear resistance and extended service life. Multiple stage options let you trade speed for torque to match application needs. Stable performance and good consistency between units. Low noise and transmission efficiency enhance overall system performance. Package contents 1 x Reduction motor If you need a compact, durable geared reduction motor to convert a speed low torque motor into a lower speed higher torque drive, these 6 mm reduction motors offer a range of transmission ratios and torque levels to fit a variety of small mechanism applications.