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Technical Specifications
Last Updated: 2026-10-24
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
Below 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 | 0.65–0.73 A650–730 mAAbove Average |
| Physical | |
| Weight | 0.71 oz20.0 gBelow Average |
| Dimensions |
L 1.181 in W 0.906 in H 0.433 in L 30.0 mm W 23.0 mm H 11.0 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 | Below Average Stronger than 34% of 349 Digital Micro servos at 4.8V |
| Speed | Below Average Faster than 30% of 347 Digital Micro servos at 4.8V |
| Weight | Below Average Lighter than 16% of 597 Digital Micro servos |
| Stall Current | Above Average Lower draw than 70% of 188 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.34–0.47 W |
| Power Density | 1.008 W/in³ More power-dense than 17% of 563 Digital Micro servos |
| Torque Density | 1.1805 oz-in/g Stronger than 3% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 50.96 oz-in/in³ Denser torque than 18% of 345 Digital Micro servos |
| Speed-to-Weight | 0.38462 (1/sec·g) Faster than 6% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 3.07 Better balanced than 43% of 345 Digital Micro servos |
| Current-per-Torque Ratio | 0.0309 A/oz-in More efficient than 62% of 98 Digital Micro servos |
| Torque Gain per Volt | 14.68%/V More voltage-responsive (torque) than 33% of 290 Digital Micro servos |
| Speed Gain per Volt | 15.17%/V More voltage-responsive (speed) than 31% of 295 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 16% of 496 Digital Micro servos |
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