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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM5509MD |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
138.62 oz-in
9.98 kg-cm
1.0 N-m
4.8V
123.48 oz-in
8.89 kg-cm
0.9 N-m
Below Average
|
| Speed |
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.15 sec/60°
400.0 deg/s
66.7 RPM
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 | Metal |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Mechanical Limit | 180° |
| Pulse Cycle | 3.03 ms |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Control System | PWM |
| Programmable | No |
| 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 | Below Average Stronger than 24% of 1055 Digital Standard servos at 4.8V |
| Speed | Average Faster than 41% of 1038 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 75% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.52–2.14 W |
| Power Density | 1.070 W/in³ More power-dense than 19% of 1762 Digital Standard servos |
| Torque Density | 2.2209 oz-in/g Stronger than 26% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 61.83 oz-in/in³ Denser torque than 21% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.11990 (1/sec·g) Faster than 54% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 18.52 Better balanced than 32% of 1029 Digital Standard servos |
| Torque Gain per Volt | 10.22%/V More voltage-responsive (torque) than 19% of 868 Digital Standard servos |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 81% of 868 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 9% of 1552 Digital Standard servos |
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Reviews (5)
Includes 5 reviews aggregated from around the web.
There are very few reviews for this servo on the web. A German forum member says it and a stronger sibling work well and without issues.
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