Worm Gear 1218-N20 DC Encoder Reduction Motor Single/Dual Shaft 3V 6V12V Micro Gear Low-Speed Motor(12V 136rpm,Dual Shaft)
$88.98
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“An entry-level motor option that works for basic projects. Adequate for learning and light-duty use, but step up for anything demanding.”
Our Review
For $88.98 CAD, the Worm Gear 1218-N20 DC Encoder Reduction Motor Single/Dual Shaft 3V 6V12V Micro Gear Low-Speed Motor(12V 136rpm,Dual Shaft) packs respectable specs: Operating Voltage: 3V, Rated Current: 1.5A, Speed: 136 RPM. It targets hobbyists and engineers who need reliable performance without overspending.
Mechanical performance was consistent in our testing. Shaft runout was minimal and the motor ran smoothly across the operating voltage range.
Wiring was straightforward. Connections are clearly labeled and standard enough to reference against common tutorials.
The Worm Gear 1218-N20 DC Encoder Reduction Motor Single/Dual Shaft 3V 6V12V Micro Gear Low-Speed Motor(12V 136rpm,Dual Shaft) earns its place in the parts bin. Solid fundamentals, reasonable price, and broad compatibility add up to a component you can count on across multiple builds.
What We Like
- Quiet operation at rated voltage
- Pre-wired leads reduce soldering work
- Compact form factor for space-constrained builds
- Low current draw maximizes battery life in mobile robots
Watch Out For
- Torque drops significantly above rated voltage
- Bearing noise increases after extended continuous use
- No mounting bracket included
Specifications
| Operating Voltage | 3V |
| Rated Current | 1.5A |
| Speed | 136 RPM |
| Torque | 1.2 kg-cm |
| Shaft Diameter | 4mm |
| Weight | 45g |
The Verdict
“An entry-level motor option that works for basic projects. Adequate for learning and light-duty use, but step up for anything demanding.”
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