N20 Gear Motor DC 3.7V 20RPM All Metal Gearbox – Miniature

Miniature N20 Gear Motor – DC 3.7V, 20RPM, All Metal Gearbox

The N20 Miniature Gear Motor is a compact, precision-engineered DC motor featuring a fully metal gearbox and a right-angle 14T output gear shaft. Running at a super-slow 20RPM, it's ideal for projects where controlled, low-speed torque is essential — including robotics, 3D printers, smart locks, model vehicles, and DIY automation builds. Made in Mainland China.

Key Specifications

• Model: N20 Gear Motor
• Rated Voltage: DC 3.7V
• Operating Voltage Range: DC 1.5V – 5.0V
• No-Load Speed: 20 RPM (super slow)
• No-Load Current: 40mA
• Output Shaft Diameter: 2mm (14T Gear)
• Output Power: <18.65W
• Gearbox Material: All Metal
• Certification: CE
• Package Contents: 1 × N20 Gear Motor
• Battery: Not included

Why Choose This N20 Gear Motor?

• Ultra-low speed: 20RPM output makes it perfect for slow, precise movement in automated systems and models
• All-metal gearbox: Durable metal construction ensures long-lasting, reliable performance under load
• Compact & lightweight: The miniature N20 form factor fits into tight spaces without sacrificing torque
• Wide voltage compatibility: Operates across DC 1.5V–5.0V, making it versatile for various power sources
• Right-angle output shaft: 14T gear shaft configuration offers flexible mounting options
• CE Certified: Meets international safety and quality standards

Common Applications

• Smart locks and automated door mechanisms
• Miniature model vehicles and RC cars
• 3D printers and CNC machines
• Robotics and servo-driven projects
• DIY electronics and maker projects
• Conveyor systems and slow-rotation turntables

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Important Notes

• Colors in product images may vary slightly due to monitor brightness and lighting conditions. Please refer to the actual product received.
• Slight measurement deviations may occur due to manual measurement. Please allow a small tolerance.
• Battery is not included.

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Frequently Asked Questions

Q: What voltage range is the N20 Gear Motor compatible with?

A: The N20 Gear Motor is compatible with a wide voltage range of DC 1.5V to 5.0V, with a rated operating voltage of DC 3.7V. This makes it highly versatile for use with standard AA batteries, LiPo cells, USB power, and other common power sources in robotics and electronics projects.

Q: What is the output shaft size and gear type of this motor?

A: The N20 Gear Motor features a 2mm diameter right-angle output shaft with a 14T (14-tooth) gear configuration. This design provides excellent compatibility with common gear and drive components used in miniature robotics, 3D printers, and model vehicles.

Q: Is this N20 motor suitable for use in a smart lock or automated mechanism?

A: Yes, the super-slow 20RPM output speed and all-metal gearbox make this motor an excellent choice for smart lock mechanisms and other automated applications that require controlled, low-speed torque in a compact form factor.

Q: Does the motor include a battery or any additional accessories?

A: No, the package includes only 1 × N20 Gear Motor. A battery and any other electronic components are not included and must be sourced separately.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.