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Technical Specifications
Last Updated: 2026-10-10
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 | |
| 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 1043 Digital Standard servos at 4.8V |
| Speed | Above Average Faster than 72% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 89% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.38–2.30 W |
| Power Density | 1.213 W/in³ More power-dense than 23% of 1759 Digital Standard servos |
| Torque Density | 1.7083 oz-in/g Stronger than 15% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 43.23 oz-in/in³ Denser torque than 10% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.18939 (1/sec·g) Faster than 83% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 9.02 Better balanced than 12% of 1031 Digital Standard servos |
| Torque Gain per Volt | 30.49%/V More voltage-responsive (torque) than 96% of 850 Digital Standard servos |
| Speed Gain per Volt | 18.52%/V More voltage-responsive (speed) than 70% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 20% of 1539 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...?