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Technical Specifications
Last Updated: 2026-11-05
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM-04MD |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
13.20 oz-in
0.95 kg-cm
0.1 N-m
4.8V
10.42 oz-in
0.75 kg-cm
0.1 N-m
Average
|
| Speed |
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
4.8V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Below Average
|
| Physical | |
| Weight | 0.18 oz5.0 gBelow Average |
| Dimensions |
L 0.78 in W 0.33 in H 0.77 in L 19.8 mm W 8.4 mm H 19.6 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | None |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 180 mm7.09 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 55% of 32 Digital Nano servos at 4.8V |
| Speed | Below Average Faster than 23% of 31 Digital Nano servos at 4.8V |
| Weight | Below Average Lighter than 24% of 89 Digital Nano servos |
Performance Analysis
| Shaft Power | 0.18–0.27 W |
| Power Density | 1.368 W/in³ More power-dense than 46% of 81 Digital Nano servos |
| Torque Density | 2.0840 oz-in/g Stronger than 42% of 32 Digital Nano servos |
| Torque-to-Volume Ratio | 52.57 oz-in/in³ Denser torque than 48% of 32 Digital Nano servos |
| Speed-to-Weight | 1.81818 (1/sec·g) Faster than 23% of 31 Digital Nano servos |
| Speed-Torque Trade-off | 1.15 Better balanced than 67% of 31 Digital Nano servos |
| Torque Gain per Volt | 22.23%/V More voltage-responsive (torque) than 55% of 23 Digital Nano servos |
| Speed Gain per Volt | 18.52%/V More voltage-responsive (speed) than 72% of 33 KingMax Hobby servos |
| Voltage Range Width | 1.2 V Wider voltage range than 12% of 77 Digital Nano servos |
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