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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMS660 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.2V
555.50 oz-in
40.00 kg-cm
3.9 N-m
6.0V
537.72 oz-in
38.72 kg-cm
3.8 N-m
Top 10%
|
| Speed |
6.0V0.20 sec/60°300.0 deg/s50.0 RPMBelow Average |
| Physical | |
| Dimensions |
L 1.58 in W 0.79 in H 1.55 in L 40.1 mm W 20.1 mm H 39.4 mm |
| Case Material | Plastic |
| Drivetrain | |
| Gears | Nylon |
| Gear Spline/Teeth | 25 T |
| Control & Signal | |
| Modulation | Digital |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–6 V |
| Power Source | DC |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) estimate |
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 | Below Average Faster than 10% of 1041 Digital Standard servos at 6.0V |
Performance Analysis
| Shaft Power | 4.97 W |
| Power Density | 2.569 W/in³ More power-dense than 53% of 1759 Digital Standard servos |
| Torque-to-Volume Ratio | 277.93 oz-in/in³ Denser torque than 93% of 1042 Digital Standard servos |
| Speed-Torque Trade-off | 107.54 Better balanced than 97% of 1031 Digital Standard servos |
| Voltage Range Width | 0.0 V Wider voltage range than 1% of 1539 Digital Standard servos |
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