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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KAV20.12S57MG |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
277.80 oz-in
20.00 kg-cm
2.0 N-m
7.4V
270.86 oz-in
19.50 kg-cm
1.9 N-m
6.0V
236.13 oz-in
17.00 kg-cm
1.7 N-m
4.8V
194.46 oz-in
14.00 kg-cm
1.4 N-m
Above Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
4.8V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Below Average
|
| Physical | |
| Weight | 2.02 oz57.2 gBelow Average |
| Dimensions |
L 1.58 in W 0.80 in H 1.04 in L 40.1 mm W 20.3 mm H 26.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| 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 | Above Average Stronger than 76% of 136 Digital Low Profile servos at 4.8V |
| Speed | Below Average Faster than 25% of 135 Digital Low Profile servos at 4.8V |
| Weight | Below Average Lighter than 23% of 251 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 3.27–7.34 W |
| Power Density | 5.582 W/in³ More power-dense than 72% of 215 Digital Low Profile servos |
| Torque Density | 3.3997 oz-in/g Stronger than 71% of 136 Digital Low Profile servos |
| Torque-to-Volume Ratio | 147.93 oz-in/in³ Denser torque than 79% of 136 Digital Low Profile servos |
| Speed-to-Weight | 0.15893 (1/sec·g) Faster than 20% of 135 Digital Low Profile servos |
| Speed-Torque Trade-off | 21.39 Better balanced than 80% of 134 Digital Low Profile servos |
| Torque Gain per Volt | 11.90%/V More voltage-responsive (torque) than 25% of 115 Digital Low Profile servos |
| Speed Gain per Volt | 15.87%/V More voltage-responsive (speed) than 62% of 117 Digital Low Profile servos |
| Voltage Range Width | 3.6 V Wider voltage range than 82% of 223 Digital Low Profile servos |
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