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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | XQ-S8020D |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
319.50 oz-in
23.01 kg-cm
2.3 N-m
7.4V
278.00 oz-in
20.02 kg-cm
2.0 N-m
6.0V
236.00 oz-in
16.99 kg-cm
1.7 N-m
4.8V
208.30 oz-in
15.00 kg-cm
1.5 N-m
Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Average
|
| Stall Current | 2.8–3.5 A2800–3500 mAAverage |
| Physical | |
| Weight | 2.29 oz65.0 gAverage |
| Dimensions |
L 1.575 in W 0.787 in H 1.339 in L 40.0 mm W 20.0 mm H 34.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 210° |
| Mechanical Limit | 210° |
| Dead Band | 1 µs |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Water Rating | Waterproof |
| Certification | CE | ROHS |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 in |
| 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 47% of 1043 Digital Standard servos at 4.8V |
| Speed | Average Faster than 48% of 1041 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 44% of 1902 Digital Standard servos |
| Stall Current | Average Lower draw than 44% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.75–5.91 W |
| Power Density | 3.559 W/in³ More power-dense than 66% of 1759 Digital Standard servos |
| Torque Density | 3.2046 oz-in/g Stronger than 46% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 125.50 oz-in/in³ Denser torque than 53% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.10989 (1/sec·g) Faster than 45% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 29.16 Better balanced than 50% of 1031 Digital Standard servos |
| Current-per-Torque Ratio | 0.0168 A/oz-in More efficient than 42% of 315 Digital Standard servos |
| Torque Gain per Volt | 14.83%/V More voltage-responsive (torque) than 43% of 850 Digital Standard servos |
| Speed Gain per Volt | 11.11%/V More voltage-responsive (speed) than 24% of 871 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 85% of 1539 Digital Standard servos |
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