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Technical Specifications
Last Updated: 2026-10-25
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°
576.9 deg/s
96.2 RPM
7.4V
0.12 sec/60°
483.9 deg/s
80.6 RPM
6.0V
0.14 sec/60°
422.5 deg/s
70.4 RPM
4.8V
0.14 sec/60°
422.5 deg/s
70.4 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° |
| Pulse Width | 1000-2000 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Water Rating | Waterproof |
| Certification | CE | ROHS |
| Idle Current | 0.420 A420 mA |
| 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 48% of 1060 Digital Standard servos at 4.8V |
| Speed | Average Faster than 46% of 1045 Digital Standard servos at 4.8V |
| Weight | Average Lighter than 45% of 1880 Digital Standard servos |
| Stall Current | Average Lower draw than 45% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.71–5.68 W |
| Power Density | 3.422 W/in³ More power-dense than 65% of 1768 Digital Standard servos |
| Torque Density | 3.2046 oz-in/g Stronger than 46% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 125.50 oz-in/in³ Denser torque than 55% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.10834 (1/sec·g) Faster than 45% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 29.58 Better balanced than 51% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0168 A/oz-in More efficient than 40% of 331 Digital Standard servos |
| Torque Gain per Volt | 14.83%/V More voltage-responsive (torque) than 44% of 873 Digital Standard servos |
| Speed Gain per Volt | 10.15%/V More voltage-responsive (speed) than 16% of 874 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 84% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 83% of 504 Digital Standard servos |
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