
42KG Digital Servo High Torque Brushless Motor Metal Gear Servo for 1/8 1/10 RC Crawler
$39.99
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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
The 42KG Digital Servo High Torque Brushless Motor Metal Gear Servo for 1/8 1/10 RC Crawler delivers solid performance for its category. With Torque: 10 kg-cm, Operating Voltage: 6V - 7.4V, Speed: 0.16 sec/60°, it covers the essentials that most makers and engineers need for their projects.
Mechanical performance was consistent in our testing. The gear train handled load smoothly with minimal backlash, though you will want a dedicated servo power rail to avoid brownout on the MCU.
Wiring was straightforward. Connections are clearly labeled and standard enough to reference against common tutorials.
Overall, the 42KG Digital Servo High Torque Brushless Motor Metal Gear Servo for 1/8 1/10 RC Crawler fills its role well. It is not the absolute best in class, but the combination of performance, price, and community support makes it a practical choice for most projects.
What We Like
- Built-in feedback loop maintains position accurately
- Wide operating voltage range supports various power sources
- Standard servo horn and mounting hardware included
- Metal gear train handles high-torque loads without stripping
Watch Out For
- Jitter at rest if PWM signal has noise
- Draws high peak current that can brownout weak power supplies
- Limited rotation range without continuous-rotation modification
Specifications
| Torque | 10 kg-cm |
| Operating Voltage | 6V - 7.4V |
| Speed | 0.16 sec/60° |
| Rotation | 270° |
| Gear Type | Steel gears |
| Signal | PWM (500-2500 us) |
| Weight | 62g |
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.”



