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Technical Specifications
Last Updated: 2026-10-10
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 1043 Digital Standard servos at 4.8V |
| Speed | Average Faster than 38% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 74% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.52–2.14 W |
| Power Density | 1.070 W/in³ More power-dense than 20% of 1759 Digital Standard servos |
| Torque Density | 2.2209 oz-in/g Stronger than 27% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 61.83 oz-in/in³ Denser torque than 21% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.11990 (1/sec·g) Faster than 53% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 18.52 Better balanced than 33% of 1031 Digital Standard servos |
| Torque Gain per Volt | 10.22%/V More voltage-responsive (torque) than 20% of 850 Digital Standard servos |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 81% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 9% of 1539 Digital Standard servos |
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