



Metal DC Geared Motor – 6V 73RPM with 99:1 metal gearbox delivers compact mechanical power for robotics mechanisms, smart devices, and engineering prototypes. A precision metal reduction gear train converts high motor speed into strong rotational torque while maintaining stable operation. The compact DC gearmotor integrates a durable gearbox, a 4 mm D‑shaped output shaft, and a wide operating voltage range suitable for embedded platforms and custom control circuits. This small robotic drive motor balances size, torque, and reliability, making the geared actuator suitable for wheeled robots, automated mechanisms, and experimental motion systems.

Figure: Example motor connection in a robotics control system
99:1 Precision Metal Gear Reduction
A 99:1 reduction gearbox converts the high‑speed DC motor output into controlled low‑speed rotation while significantly increasing torque. Metal gears provide improved durability compared with plastic alternatives, enabling stable mechanical transmission under repeated load conditions. The reduction stage also improves motion controllability for robotic drive systems, mechanical arms, and automated actuators where precise speed and stronger output torque are required.
High Torque Output in a Compact Form
The miniature gearmotor design combines a short 23 mm gearbox with a powerful torque output reaching up to 2.5 Kg.cm at stall. Such performance enables compact robots and mechanical projects to generate sufficient driving force without requiring large motors. The 73 RPM no‑load speed at 6 V provides a balanced combination of torque and rotational speed, suitable for wheeled robots, gear-driven mechanisms, and small motion platforms.
Durable Mechanical Structure
A metal gearbox housing and reinforced gear train improve long‑term operational reliability. The 4 mm D‑shaped shaft prevents slipping during coupling with wheels, pulleys, or mechanical linkages. Stable current characteristics and a wide operating temperature range allow integration into robotics projects, laboratory prototypes, and educational engineering platforms that require dependable motion components.

Figure: Motor dimension diagram
Compact size, strong torque, and durable metal gearing make this miniature DC gearmotor well suited for robotic vehicles, automated DIY machines, educational engineering builds, and motion‑driven prototypes. Reliable mechanical performance supports both hobby robotics and experimental automation systems where space efficiency and stable torque output remain essential.