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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | XQ-S8045D |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
667.00 oz-in
48.03 kg-cm
4.7 N-m
7.4V
597.00 oz-in
42.99 kg-cm
4.2 N-m
6.0V
514.00 oz-in
37.01 kg-cm
3.6 N-m
Top 10%
|
| Speed |
8.4V
0.11 sec/60°
566.0 deg/s
94.3 RPM
7.4V
0.12 sec/60°
491.8 deg/s
82.0 RPM
6.0V
0.14 sec/60°
416.7 deg/s
69.4 RPM
Average
|
| Stall Current | 3.7–5.2 A3700–5200 mABelow Average |
| Physical | |
| Weight | 2.57 oz73.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.496 in L 40.0 mm W 20.0 mm H 38.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Stainless Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 360° |
| Mechanical Limit | 360° |
| Pulse Width | 1000-2000 µs |
| Dead Band | 1 µs |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | 2S LiPo |
| Temperature | -15–65 °C5–149 °F |
| Water Rating | Splashproof |
| Certification | CE | ROHS |
| Idle Current | 0.440 A440 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 | Top 10% Stronger than 92% of 1060 Digital Standard servos at 6.0V |
| Speed | Average Faster than 45% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 26% of 1880 Digital Standard servos |
| Stall Current | Below Average Lower draw than 20% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 6.60–11.63 W |
| Power Density | 6.274 W/in³ More power-dense than 86% of 1768 Digital Standard servos |
| Torque Density | 7.0411 oz-in/g Stronger than 93% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 277.19 oz-in/in³ Denser torque than 94% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.09513 (1/sec·g) Faster than 31% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 74.01 Better balanced than 91% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0101 A/oz-in More efficient than 79% of 331 Digital Standard servos |
| Torque Gain per Volt | 12.40%/V More voltage-responsive (torque) than 30% of 873 Digital Standard servos |
| Speed Gain per Volt | 14.93%/V More voltage-responsive (speed) than 46% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 57% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 82% of 504 Digital Standard servos |
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