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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DS945MG |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
694.50 oz-in
50.01 kg-cm
4.9 N-m
7.4V
638.94 oz-in
46.01 kg-cm
4.5 N-m
6.0V
555.60 oz-in
40.01 kg-cm
3.9 N-m
Top 10%
|
| Speed |
8.4V
0.15 sec/60°
400.0 deg/s
66.7 RPM
7.4V
0.17 sec/60°
352.9 deg/s
58.8 RPM
6.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Bottom 10%
|
| Physical | |
| Weight | 3.10 oz88.0 gBottom 10% |
| Dimensions |
L 1.59 in W 0.791 in H 1.52 in L 40.4 mm W 20.1 mm H 38.6 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Water Rating | IP67 |
| 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 | Top 10% Stronger than 94% of 1043 Digital Standard servos at 6.0V |
| Speed | Bottom 10% Faster than 9% of 1041 Digital Standard servos at 6.0V |
| Weight | Bottom 10% Lighter than 2% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.14–8.56 W |
| Power Density | 4.478 W/in³ More power-dense than 75% of 1759 Digital Standard servos |
| Torque Density | 6.3136 oz-in/g Stronger than 89% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 290.63 oz-in/in³ Denser torque than 94% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.05682 (1/sec·g) Faster than 1% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 111.12 Better balanced than 97% of 1031 Digital Standard servos |
| Torque Gain per Volt | 10.42%/V More voltage-responsive (torque) than 20% of 850 Digital Standard servos |
| Speed Gain per Volt | 13.89%/V More voltage-responsive (speed) than 40% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 51% of 1539 Digital Standard servos |
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