A robust DC gearmotor with full metal gears and a 90:1 gear ratio, delivering 40 RPM and 0.73 N·m (103 oz-in) stall torque at 12 V. The 6 mm diameter D-shaft drives wheels, gears, and mechanisms in robotics and automation projects. Operates across a 3–12 V range and is DC reversible for bidirectional control.

Key Features

• Full Metal Gears – Durable all-metal gear train for high-torque applications
• 90:1 Gear Ratio – High torque at low speed
• 6 mm D-Shaft – Standard output shaft for wheel and gear hubs
• DC Reversible – Bidirectional operation by reversing polarity
• Wide Voltage Range – Operates from 3 V to 12 V

Specifications

• Voltage Range – 3–12 V DC
• Gear Ratio – 90:1
• Speed – 40 RPM (at 12 V)
• Stall Torque – 0.73 N·m / 103 oz-in (at 12 V)
• No-Load Current – 160 mA (at 12 V)
• Stall Current – 0.5 A (at 12 V)
• Insulation Resistance – 10 MΩ
• Dielectric Strength – 300 V DC
• Shaft – 6 mm diameter × 18.2 mm (0.715″) long, D-profile
• Weight – 122 g (4.3 oz)

Ideal For

• Robotics drive systems
• Motorised mechanisms and actuators
• Wheeled robot platforms
• Automation and motion projects

Package Contents

• 1× Standard Gearmotor – 40 RPM (3–12 V)

Resources

• Dimensional Drawing