








Mini Metal DC Geared Motor (6V 375RPM 0.5Kg*cm) combines a compact brushed DC motor with a 1:35 precision reduction gearbox, delivering stable rotational output in a small mechanical footprint. The integrated gear reduction increases torque while maintaining moderate speed, making the unit suitable for small robotics mechanisms, motion prototypes, and compact automation assemblies. A durable metal gear train improves long‑term mechanical reliability, while the D‑shaped output shaft simplifies secure coupling with wheels, hubs, and mechanical linkages. Low operating noise and efficient power usage make this miniature gearmotor a practical drive component for space‑constrained embedded motion systems.

Figure: Motor dimension diagram
Note: To maintain reliable operation and extend motor lifespan, operation should remain within rated voltage specifications. Overloading, shaft blockage, high‑temperature or high‑humidity storage conditions, and excessive soldering heat may damage internal plastic components or reduce service life. During terminal soldering at 340 °C ± 40 °C, heating time should remain within 3 seconds to prevent deformation.
Compact Gearmotor for Space‑Limited Designs
This miniature DC gearmotor integrates a reduction gearbox and motor body into a slim form factor that occupies minimal installation space. The compact mechanical structure allows easy integration into lightweight robotic platforms, small mobile devices, and educational engineering builds where space efficiency is critical. A short body length and lightweight design also simplify chassis mounting and reduce mechanical load on structural components.
Durable Metal Gear Reduction System
An internal metal gear train provides improved wear resistance compared with plastic alternatives. The 1:35 gear reduction ratio multiplies output torque while stabilizing rotational speed, supporting consistent motion control during continuous operation. This metal gearbox structure enhances durability in applications such as mobile robots, small mechanical actuators, and experimental automation systems that require dependable mechanical transmission.
D‑Shaped Shaft for Reliable Mechanical Coupling
The 3 mm D‑shaped output shaft improves mechanical engagement between the motor and attached components. The flattened shaft surface prevents slipping when paired with compatible wheels, gears, or couplers, enabling more secure torque transfer during rotation. Such a shaft design also simplifies installation and alignment in small robotic drive systems and mechanical assemblies.
Low‑Noise Operation with Stable Output Speed
A balanced internal motor structure combined with the gear reduction system enables smooth rotation and relatively low operational noise. A no‑load speed of 375 RPM provides a balanced combination of speed and torque suitable for educational robotics, compact mobility platforms, and prototype mechanisms that require controlled motion without excessive vibration or acoustic disturbance.
This miniature geared DC motor functions as a practical motion component for small robots, mechanical demonstrations, automated prototypes, and STEM learning projects. The combination of compact size, durable metal gears, and stable torque output makes this small drive module well suited for wheel drive systems, experimental actuators, and lightweight motion control mechanisms.