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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KM3811D |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
152.79 oz-in
11.00 kg-cm
1.1 N-m
5.0V
138.90 oz-in
10.00 kg-cm
1.0 N-m
Below Average
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
5.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
Below Average
|
| Physical | |
| Weight | 1.34 oz38.0 gTop 10% |
| Dimensions |
L 1.57 in W 0.79 in H 1.42 in L 39.9 mm W 20.1 mm H 36.1 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Plastic |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Electrical & Environment | |
| Operating Voltage | 5–6 V |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) |
| 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 | Below Average Stronger than 29% of 1060 Digital Standard servos at 5.0V |
| Speed | Below Average Faster than 32% of 1045 Digital Standard servos at 5.0V |
| Weight | Top 10% Lighter than 96% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.61–2.02 W |
| Power Density | 1.146 W/in³ More power-dense than 22% of 1768 Digital Standard servos |
| Torque Density | 3.6553 oz-in/g Stronger than 53% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 78.87 oz-in/in³ Denser torque than 31% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.16447 (1/sec·g) Faster than 79% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 22.22 Better balanced than 40% of 1034 Digital Standard servos |
| Torque Gain per Volt | 10.00%/V More voltage-responsive (torque) than 18% of 873 Digital Standard servos |
| Speed Gain per Volt | 14.29%/V More voltage-responsive (speed) than 44% of 874 Digital Standard servos |
| Voltage Range Width | 1.0 V Wider voltage range than 3% of 1560 Digital Standard servos |
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Weight: 53 grams
Dimensions: 1.57" x 0.79" x 1.48"
Size Class: Standard
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