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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HDS-9866MG |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
112.00 oz-in
8.06 kg-cm
0.8 N-m
4.8V
82.00 oz-in
5.90 kg-cm
0.6 N-m
Below Average
|
| Speed |
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
4.8V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Above Average
|
| Physical | |
| Weight | 1.69 oz48.0 gAbove Average |
| Dimensions |
L 1.60 in W 0.78 in H 1.52 in L 40.6 mm W 19.8 mm H 38.6 mm |
| Drivetrain | |
| Motor Drive | MOS |
| Gears | Metal |
| Control & Signal | |
| Modulation | Digital |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Origin | |
| Country of Origin | Taiwan |
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 | Below Average Stronger than 13% of 1060 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 74% of 1045 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 89% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.38–2.30 W |
| Power Density | 1.213 W/in³ More power-dense than 24% of 1768 Digital Standard servos |
| Torque Density | 1.7083 oz-in/g Stronger than 15% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 43.23 oz-in/in³ Denser torque than 10% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.18939 (1/sec·g) Faster than 85% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 9.02 Better balanced than 11% of 1034 Digital Standard servos |
| Torque Gain per Volt | 30.49%/V More voltage-responsive (torque) than 96% of 873 Digital Standard servos |
| Speed Gain per Volt | 18.52%/V More voltage-responsive (speed) than 70% of 874 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 20% of 1560 Digital Standard servos |
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Reviews (1)
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NKs
June 20, 2010Application(s): RC Touring. TAo5 Convertion
Comments: i used this servo but not functional... its like no enough current... what happen to my servo? can u explain to me... i bought at RCMART last 3 month but after i connect to my 60A ezrun ASC its not function... is it have to connect it direct to battery...?