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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 55821DMGH |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
112.00 oz-in
8.06 kg-cm
0.8 N-m
4.8V
82.00 oz-in
5.90 kg-cm
0.6 N-m
|
| 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
|
| Physical | |
| Weight | 1.59 oz45.0 gTop 10% |
| Dimensions |
L 1.594 in W 0.787 in H 1.457 in L 40.5 mm W 20.0 mm H 37.0 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Aluminum |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 4 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 250 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.5–6.5 V |
| Connectivity | |
| Connector | JR (Universal) |
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
| Weight | Top 10% Lighter than 92% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.38–2.30 W |
| Power Density | 1.259 W/in³ More power-dense than 24% of 1759 Digital Standard servos |
| Torque Density | 1.8222 oz-in/g |
| Torque-to-Volume Ratio | 44.86 oz-in/in³ |
| Speed-to-Weight | 0.20202 (1/sec·g) |
| Speed-Torque Trade-off | 9.02 |
| Voltage Range Width | 2.0 V Wider voltage range than 42% of 1539 Digital Standard servos |
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