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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS558MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
138.90 oz-in
10.00 kg-cm
1.0 N-m
4.8V
130.57 oz-in
9.40 kg-cm
0.9 N-m
Below Average
|
| Speed |
6.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
4.8V
0.22 sec/60°
272.7 deg/s
45.5 RPM
Bottom 10%
|
| Physical | |
| Weight | 2.05 oz58.0 gAbove Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.516 in L 40.0 mm W 20.0 mm H 38.5 mm |
| Drivetrain | |
| Motor Drive | MOS |
| Gears | Metal |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 80° |
| Dead Band | 3 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 215 mm8.46 in |
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 26% of 1060 Digital Standard servos at 4.8V |
| Speed | Bottom 10% Faster than 6% of 1045 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 66% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.10–1.28 W |
| Power Density | 0.683 W/in³ More power-dense than 8% of 1768 Digital Standard servos |
| Torque Density | 2.2512 oz-in/g Stronger than 27% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 69.47 oz-in/in³ Denser torque than 26% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.07837 (1/sec·g) Faster than 12% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 28.73 Better balanced than 49% of 1034 Digital Standard servos |
| Torque Gain per Volt | 5.32%/V More voltage-responsive (torque) than 3% of 873 Digital Standard servos |
| Speed Gain per Volt | 8.34%/V More voltage-responsive (speed) than 9% of 874 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 12% 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 model yachting blogger says the servos he lists for RG-65 sailboats, including this one, have performed reliably for over a year and are a good value.
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