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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMSA6320 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
270.10 oz-in
19.45 kg-cm
1.9 N-m
7.4V
250.20 oz-in
18.02 kg-cm
1.8 N-m
6.0V
150.00 oz-in
10.80 kg-cm
1.1 N-m
Below Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Above Average
|
| Physical | |
| Weight | 2.19 oz62.0 gAverage |
| Dimensions |
L 1.49 in W 0.79 in H 1.57 in L 37.8 mm W 20.1 mm H 39.9 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Gear Spline/Teeth | 23 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Dead Band | 3 µs |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 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
| Torque | Below Average Stronger than 32% of 1060 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 72% of 1045 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 54% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.52–4.99 W |
| Power Density | 2.702 W/in³ More power-dense than 56% of 1768 Digital Standard servos |
| Torque Density | 2.4194 oz-in/g Stronger than 30% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 81.17 oz-in/in³ Denser torque than 32% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.14663 (1/sec·g) Faster than 71% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 16.50 Better balanced than 27% of 1034 Digital Standard servos |
| Torque Gain per Volt | 33.36%/V More voltage-responsive (torque) than 96% of 873 Digital Standard servos |
| Speed Gain per Volt | 4.16%/V More voltage-responsive (speed) than 1% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 56% of 1560 Digital Standard servos |
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