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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 74420 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
27.77 oz-in
2.00 kg-cm
0.2 N-m
4.8V
23.61 oz-in
1.70 kg-cm
0.2 N-m
Average
|
| Speed |
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Below Average
|
| Stall Current | ≤730 A≤730000 mABottom 10% |
| Physical | |
| Weight | 0.49 oz14.0 gBelow Average |
| Dimensions |
L 0.886 in W 0.453 in H 1.102 in L 22.5 mm W 11.5 mm H 28.0 mm |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 21 T |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 212 mm8.35 in |
| Origin | |
| Country of Origin | Germany |
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 | Average Stronger than 37% of 328 Digital Micro servos at 4.8V |
| Speed | Below Average Faster than 28% of 328 Digital Micro servos at 4.8V |
| Weight | Below Average Lighter than 28% of 620 Digital Micro servos |
| Stall Current | Bottom 10% Lower draw than 2% of 194 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.34–0.47 W |
| Power Density | 1.055 W/in³ More power-dense than 19% of 590 Digital Micro servos |
| Torque Density | 1.6864 oz-in/g Stronger than 18% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 53.38 oz-in/in³ Denser torque than 23% of 327 Digital Micro servos |
| Speed-to-Weight | 0.54945 (1/sec·g) Faster than 23% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 3.07 Better balanced than 46% of 327 Digital Micro servos |
| Current-per-Torque Ratio | 30.9191 A/oz-in More efficient than 1% of 85 Digital Micro servos |
| Torque Gain per Volt | 14.68%/V More voltage-responsive (torque) than 37% of 268 Digital Micro servos |
| Speed Gain per Volt | 15.17%/V More voltage-responsive (speed) than 33% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 15% of 511 Digital Micro servos |
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