3–6V R140 DC Motor (High-Speed DIY & Toy Motor)

Looking for a powerful and budget-friendly DC motor for your electronics, robotics, or toy repair projects? This 3–6V R140 DC Motor is a popular choice for students, hobbyists, makers, and engineers. Ideal for school science models, DIY mechanisms, battery-powered toys, robotics prototypes, and rotating motion applications.

Product Overview

This compact brushed DC motor operates within a 3V to 6V DC range, allowing easy power options such as two AA batteries, USB power banks, Arduino 5V output, or standard hobby power supplies. With a durable metal housing, smooth shaft rotation, and high-speed performance, it delivers consistent mechanical output for various DIY builds.

The motor converts electrical energy into rotational motion using an electromagnetic coil and permanent magnets. At up to 10,000 RPM, it offers strong torque suitable for wheels, gears, propellers, pulley systems, and miniature machines.

Why Choose This R140 DC Motor?

• Reliable, high-speed performance—great for motion-based projects
• Low power consumption — ideal for battery-driven builds
• Compact 140-size motor fits easily into small mechanisms and toys
• Perfect for STEM learning, prototyping, DIY hobby projects, and robotics

Key Features

• High-quality brushed DC motor
• Operating voltage range: 3V–6V DC
• Fast rotational speed — up to 10,000 RPM
• Lightweight, compact, and durable body
• Easy to integrate with Arduino, batteries, and USB power sources
• Smooth shaft movement with minimal noise
• Suitable for gears, wheels, fans, and mechanical motion

Common Applications

• Battery-powered toys, RC cars, boats, and models
• DIY electronics and school science projects
• Mini fans, propellers, windmills, and rotating mechanisms
• Arduino and robotics platforms
• STEM learning kits and educational experiments
• Small gadget repairs and engineering prototypes

Specifications