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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM5520MD |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
281.27 oz-in
20.25 kg-cm
2.0 N-m
4.8V
248.08 oz-in
17.86 kg-cm
1.8 N-m
Average
|
| Speed |
6.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
4.8V
0.19 sec/60°
315.8 deg/s
52.6 RPM
Below Average
|
| Physical | |
| Weight | 1.96 oz55.6 gAbove Average |
| Dimensions |
L 1.59 in W 0.80 in H 1.57 in L 40.4 mm W 20.3 mm H 39.9 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Mechanical Limit | 180° |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | None |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 265 mm10.43 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 57% of 1060 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 13% of 1045 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 75% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.41–3.25 W |
| Power Density | 1.628 W/in³ More power-dense than 35% of 1768 Digital Standard servos |
| Torque Density | 4.4619 oz-in/g Stronger than 70% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 124.22 oz-in/in³ Denser torque than 54% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.09466 (1/sec·g) Faster than 30% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 47.13 Better balanced than 73% of 1034 Digital Standard servos |
| Torque Gain per Volt | 11.15%/V More voltage-responsive (torque) than 24% of 873 Digital Standard servos |
| Speed Gain per Volt | 15.62%/V More voltage-responsive (speed) than 51% of 874 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 9% of 1560 Digital Standard servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
There are very few reviews for this servo on the web. A German forum member says it and a faster sibling work well and without issues.
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