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Technical Specifications
Last Updated: 2026-10-09
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 51% of 1043 Digital Standard servos at 4.8V |
| Speed | Average Faster than 47% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 72% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.94–3.85 W |
| Power Density | 1.905 W/in³ More power-dense than 42% of 1759 Digital Standard servos |
| Torque Density | 3.9686 oz-in/g Stronger than 59% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 109.92 oz-in/in³ Denser torque than 46% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.12755 (1/sec·g) Faster than 58% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 31.11 Better balanced than 54% of 1031 Digital Standard servos |
| Torque Gain per Volt | 10.42%/V More voltage-responsive (torque) than 20% of 850 Digital Standard servos |
| Speed Gain per Volt | 13.88%/V More voltage-responsive (speed) than 38% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 11% of 1539 Digital Standard servos |
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