Micro Metal Gearmotor 6V 300 RPM – 3mm D-Shaft

The 6V 300RPM DC Micro Metal Gearmotor is a compact gearmotor designed for small robotics and automation systems. It features a durable metal gearbox that ensures stable torque output and consistent performance across a 5V–9V operating range. The motor is equipped with a 3mm D-shaped shaft for secure mechanical coupling with wheels and drive components. Built for reliability and easy integration, it is suitable for mobile robots, sumo robots, and compact electromechanical projects.

Features

- Metal gearbox construction for durability

- 300RPM no-load speed at 6V

- Wide operating voltage range 5V–9V

- Stable torque output for robotics applications

- 3mm D-shaped shaft for secure coupling

- Compact size for small robot designs

- Low noise operation under normal load

- Suitable for continuous operation

- High efficiency gear reduction system

- Easy integration with standard motor drivers

- Compatible with common robot wheels

- Reliable performance in mobile platforms

- Lightweight design for portable projects

Specifications

- Rated voltage: 6V DC

- Operating voltage range: 5V – 9V DC

- No-load speed: 300RPM @ 6V

- Gearbox type: Metal gear reduction

- Shaft type: D-shaped

- Shaft diameter: 3mm

- Shaft length: 9mm

- Motor type: Brushed DC motor

- Torque output: Medium torque for small robots

- Rotation direction: Bidirectional (reversible polarity)

- Noise level: Low under standard load

- Application type: Robotics and automation

Links

Pololu Micro Metal Gearmotors Datasheet

- Micro Metal Gearmotor 3D Model

Micro Metal Gearmotor Bracket Lite

Tutorials

Mini geared DC motor 6V - testing