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Technical Specifications
Last Updated: 2026-09-16Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | SPMSA6020 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V146.00 oz-in10.51 kg-cm1.0 N-m |
| Speed |
6.0V0.19 sec/60°315.8 deg/s52.6 RPM |
| Running Current | (add) |
| Stall Current | (add) |
| Physical | |
| Weight | 1.73 oz49.0 g |
| Dimensions |
L 1.60 in W 0.80 in H 1.50 in L 40.6 mm W 20.3 mm H 38.1 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Brushed |
| Motor Drive | (add) |
| Gears | Metal |
| Gear Spline/Teeth | 23 T estimate |
| Shaft Size | (add) |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | Z |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
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 | 1.42 W |
| Torque Density | 2.9796 oz-in/g |
| Torque-to-Volume Ratio | 76.04 oz-in/in³ |
| Power Density | 0.740 W/in³ More power-dense than 12% of the 1644 Digital Standard servos in the database |
| Speed-to-Weight | 0.10741 (1/sec·g) |
| Speed-Torque Trade-off | 27.74 |
| Voltage Range Width | 1.2 V Wider voltage range than 20% of the 1269 Digital Standard servos in the database |
Quick Actions
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Reviews (1)
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scottm
April 16, 2010Application(s): single steering servo for Revo 3.3
Comments: works OK though it sounds like it strains as it reaches it's end points. It's reasonable fast and when the truck is moving it does a good job (though not as good as the Hitec 985MG i've got in another Revo. THAT is a kick a$$ servo)