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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SPMS660 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V82.00 oz-in5.90 kg-cm0.6 N-m |
| Speed |
6.0V0.20 sec/60°300.0 deg/s50.0 RPM |
| 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 | |
| Motor Type | Brushed |
| Gears | Nylon |
| Gear Spline/Teeth | 25 T |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 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.
Performance Analysis
| Shaft Power | 0.76 W |
| Power Density | 0.392 W/in³ More power-dense than 2% of 1768 Digital Standard servos |
| Torque-to-Volume Ratio | 42.38 oz-in/in³ |
| Speed-Torque Trade-off | 16.40 |
| Voltage Range Width | 1.2 V Wider voltage range than 12% of 1560 Digital Standard servos |
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Reviews (2)
Includes 2 reviews aggregated from around the web.
There are very few reviews for this servo on the web. One Reddit owner of an Arrma Gorgon reports the stock servo's gears being stripped after pushing the truck hard.
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