A high-power 12V brushed DC gearmotor with a 20.4:1 metal spur gearbox and integrated 48 CPR quadrature encoder. The encoder on the motor shaft provides 979.62 counts per revolution of the gearbox output shaft, enabling precise speed and position control for robotics applications.

The cylindrical motor body is just under 25mm in diameter, with a 4mm D-shaped output shaft extending 12.5mm from the gearbox face plate.

Key Features

• 20.4:1 Metal Gearbox – Durable metal spur gears for reliable torque transmission
• 48 CPR Quadrature Encoder – 979.62 counts per gearbox output revolution
• High-Power 12V Motor – 500 RPM no-load speed
• Compact Form Factor – ~25mm diameter cylindrical body
• D-Shaped Output Shaft – 4mm diameter, 12.5mm long

Specifications

• Voltage: 12V
• Gear Ratio: 20.4:1
• No-Load Speed: 500 RPM
• No-Load Current: 300mA
• Stall Torque: 6 kg·cm (85 oz·in)
• Stall Current: 5.6A
• Encoder Resolution: 48 CPR (979.62 CPR at output)
• Output Shaft: 4mm D-shaped, 12.5mm long
• Motor Diameter: ~25mm

Ideal For

• Robotics and autonomous vehicles
• Precision motor control with encoder feedback
• PID speed and position control projects
• Wheeled robot platforms

Package Contents

• 1× 20.4:1 Metal Gearmotor 25D×50L mm HP 12V with 48 CPR Encoder