1pcs Planetary Gearbox Motor Reducer for Nema 17 23 34 Stepper Motor Speed Reducer for 40 60 80 90 110 130 180mm Flange Servo Motor(PLF120 19mm Input,Ratio 100 to 1)
$2,308.19
Disclosure: CircuitTrail earns from qualifying purchases as an Amazon Associate. Prices and availability may change.
“Solid motor performance for the price. Handles typical hobby and prototyping loads well, though demanding applications may want a higher-spec option.”
Our Review
For $2308.19 CAD, the 1pcs Planetary Gearbox Motor Reducer for Nema 17 23 34 Stepper Motor Speed Reducer for 40 60 80 90 110 130 180mm Flange Servo Motor(PLF120 19mm Input,Ratio 100 to 1) packs respectable specs: Step Angle: 1.8 degrees (200 steps/rev), Rated Current: 2.0A per phase, Holding Torque: 65 Ncm. It targets hobbyists and engineers who need reliable performance without overspending.
Mechanical performance was consistent in our testing. Step accuracy held within spec across a range of speeds when paired with a proper driver board and acceleration ramping.
Wiring was straightforward. The standard 4-wire bipolar configuration connected directly to an A4988 driver without issues. Color codes matched common pinout charts.
The 1pcs Planetary Gearbox Motor Reducer for Nema 17 23 34 Stepper Motor Speed Reducer for 40 60 80 90 110 130 180mm Flange Servo Motor(PLF120 19mm Input,Ratio 100 to 1) 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
- Compatible with AccelStepper and Marlin firmware
- Reliable bipolar winding configuration for consistent torque
- Affordable replacement for 3D printer and CNC upgrades
- Smooth microstepping reduces vibration and noise
Watch Out For
- No position feedback — open-loop only
- Wire color coding varies between manufacturers
- Draws full rated current even when stationary (gets warm)
Specifications
| Step Angle | 1.8 degrees (200 steps/rev) |
| Rated Current | 2.0A per phase |
| Holding Torque | 65 Ncm |
| Operating Voltage | 12V DC |
| Wiring | Bipolar 4-wire |
| Frame Size | 180mm x 180mm |
| Shaft Diameter | 5mm |
| Weight | 230g |
The Verdict
“Solid motor performance for the price. Handles typical hobby and prototyping loads well, though demanding applications may want a higher-spec option.”
Related Motors & Actuators Components
