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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SM-S4309R |
| Category | Robotics |
| Performance | |
| Torque |
6.0V
120.80 oz-in
8.70 kg-cm
0.9 N-m
4.8V
109.70 oz-in
7.90 kg-cm
0.8 N-m
Average
|
| Speed |
6.0V
0.17 sec/60°
352.9 deg/s
58.8 RPM
4.8V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Below Average
|
| Physical | |
| Weight | 1.98 oz56.0 gBelow Average |
| Shape | Boxed |
| Dimensions |
L 1.626 in W 0.807 in H 1.575 in L 41.3 mm W 20.5 mm H 40.0 mm |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Analog |
| Rotational Range | 360° |
| Mechanical Limit | No Limit |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 270 mm10.63 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 65% of 192 Analog Standard servos at 4.8V |
| Speed | Below Average Faster than 28% of 190 Analog Standard servos at 4.8V |
| Weight | Below Average Lighter than 23% of 448 Analog Standard servos |
Performance Analysis
| Shaft Power | 1.01–1.31 W |
| Power Density | 0.636 W/in³ More power-dense than 56% of 437 Analog Standard servos |
| Torque Density | 1.9589 oz-in/g Stronger than 60% of 192 Analog Standard servos |
| Torque-to-Volume Ratio | 53.08 oz-in/in³ Denser torque than 63% of 192 Analog Standard servos |
| Speed-to-Weight | 0.08929 (1/sec·g) Faster than 14% of 190 Analog Standard servos |
| Speed-Torque Trade-off | 21.94 Better balanced than 73% of 190 Analog Standard servos |
| Torque Gain per Volt | 8.43%/V More voltage-responsive (torque) than 21% of 145 Analog Standard servos |
| Speed Gain per Volt | 14.69%/V More voltage-responsive (speed) than 50% of 147 Analog Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 39% of 229 Analog Standard servos |
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