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Technical Specifications
Last Updated: 2026-11-04
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | PDI-4409MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
127.79 oz-in
9.20 kg-cm
0.9 N-m
4.8V
108.34 oz-in
7.80 kg-cm
0.8 N-m
Below Average
|
| Speed |
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Below Average
|
| Physical | |
| Weight | 1.57 oz44.5 gAbove Average |
| Dimensions |
L 1.594 in W 0.799 in H 1.102 in L 40.5 mm W 20.3 mm H 28.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Aluminum |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 3.03 ms |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Water Rating | Splashproof |
| 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 26% of 186 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 19% of 183 Digital Low Profile servos at 4.8V |
| Weight | Above Average Lighter than 80% of 304 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 1.54–2.15 W |
| Power Density | 1.530 W/in³ More power-dense than 12% of 273 Digital Low Profile servos |
| Torque Density | 2.4346 oz-in/g Stronger than 34% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 77.19 oz-in/in³ Denser torque than 23% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.17286 (1/sec·g) Faster than 31% of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 14.09 Better balanced than 48% of 183 Digital Low Profile servos |
| Torque Gain per Volt | 14.96%/V More voltage-responsive (torque) than 42% of 164 Digital Low Profile servos |
| Speed Gain per Volt | 15.17%/V More voltage-responsive (speed) than 51% of 163 Digital Low Profile servos |
| Voltage Range Width | 1.2 V Wider voltage range than 7% of 276 Digital Low Profile servos |
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Reviews (3)
Includes 3 reviews aggregated from around the web.
There are very few reviews for this servo on the web. One RC car hobbyist who recommends it as an everyday standard servo for restoring an older model likes its balance of torque, speed and good self-centering for under 20 dollars each. It also shows up on a budget-servo shortlist from other owners. No complaints or failure reports were found.
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