Pimoroni
Micro Metal Gearmotor (Extended back shaft) - 1006:1
A miniature brushed DC motor with a 1006:1 metal gearbox and an extended back shaft for attaching optical encoders. This high-ratio gearmotor delivers very l...
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A miniature brushed DC motor with a 1006:1 metal gearbox and an extended back shaft for attaching optical encoders. This high-ratio gearmotor delivers very low speed with high torque, making it ideal for precision robotics, slow-motion mechanisms, and applications requiring fine positional control.
All micro metal gearmotors in this range share the same physical dimensions, so different gear ratios can be swapped interchangeably without modifying your mechanical design.
Specifications (1006:1 Ratio @ 6 V)
- Speed – 14.2 ±10% RPM
- Free-Run Current – 28 mA (56 mA max)
- Stall Torque – 5.3 kg·cm (0.52 N·m)
- Output Shaft – 3 mm diameter, D-shaped, 9 mm long
- Back Shaft – 1 mm diameter, 4.5 mm long (for optical encoders)
- Operating Voltage – 6 V DC
Key Features
- 1006:1 Gear Ratio – Very high reduction for slow, high-torque operation
- Metal Gearbox – Durable metal gears for long service life
- Extended Back Shaft – 4.5 mm rear shaft for mounting optical encoder wheels
- Interchangeable Form Factor – Same dimensions as all micro metal gearmotors in this series
- D-Shaped Output Shaft – Prevents wheel slippage
Ideal For
- Precision robotics and slow-motion mechanisms
- Encoder-equipped closed-loop drive systems
- Small mobile robots and tracked vehicles
- Automated mechanisms requiring high torque at low speed
Resources
Jargon buster
Plain-language definitions for the technical terms used above.
- DC
- DC means direct current, where electricity flows in one constant direction, as supplied by batteries, USB ports and many plug-pack power supplies. When a product specifies DC, it runs from a DC supply rather than mains AC, so you need to provide the correct voltage and polarity.
- encoder
- An encoder is a sensor that converts the rotation or position of a shaft, knob or dial into electrical signals, reporting movement as incremental steps and direction, or as an absolute position. It is used to track how far something has turned, which matters for precise positioning, speed control, repeatable movement, or using a rotary knob as an input.
- kg·cm
- A torque unit often used for hobby servos, meaning how many kilograms of force the servo can hold at a 1 cm arm length. A higher kg·cm rating means the servo can move or hold heavier loads, but power supply current needs may also increase.
- Stall torque
- The maximum twisting force a servo can produce when its output is held still and cannot move. It helps you judge whether the servo is strong enough for a robot joint, steering linkage, or other load.
- Torque
- A twisting force that causes something to rotate, usually measured in newton-metres or kilogram-centimetres. It matters when choosing motors, servos, gears, and tools because higher torque is needed to lift heavier loads, turn larger wheels, or move mechanisms without stalling.
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Brands
Robotics & Motion
Related Tutorials
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