Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HD-1812MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
250.02 oz-in
18.00 kg-cm
1.8 N-m
4.8V
222.24 oz-in
16.00 kg-cm
1.6 N-m
Average
|
| Speed |
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Average
|
| Physical | |
| Weight | 1.98 oz56.0 gAbove Average |
| Dimensions |
L 1.60 in W 0.81 in H 1.56 in L 40.6 mm W 20.6 mm H 39.6 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | DC |
| Gears | Copper / Aluminum |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 3.003 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Origin | |
| Country of Origin | China |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Torque | Average Stronger than 52% of 1060 Digital Standard servos at 4.8V |
| Speed | Average Faster than 50% of 1045 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 72% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.94–3.85 W |
| Power Density | 1.905 W/in³ More power-dense than 42% of 1768 Digital Standard servos |
| Torque Density | 3.9686 oz-in/g Stronger than 60% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 109.92 oz-in/in³ Denser torque than 48% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.12755 (1/sec·g) Faster than 60% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 31.11 Better balanced than 53% of 1034 Digital Standard servos |
| Torque Gain per Volt | 10.42%/V More voltage-responsive (torque) than 20% of 873 Digital Standard servos |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 37% of 874 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 11% of 1560 Digital Standard servos |
Similar Active Servos
Reviews (5)
Includes 5 reviews aggregated from around the web.
There are few reviews for this servo on the web, and opinion is split. One RC car owner calls it quite good for its cost and sufficient for his needs but says serious racers should look elsewhere. Another owner who bought it to replace a dead stock servo in a bashing truck found it very laggy at 6V, though other commenters suspected binding in the steering.
Be the first to review!