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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | DHV840 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V102.79 oz-in7.40 kg-cm0.7 N-m |
| Speed |
7.4V0.19 sec/60°315.8 deg/s52.6 RPM |
| Physical | |
| Weight | 2.66 oz75.5 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.69 in L 39.9 mm W 20.1 mm H 42.9 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Rotational Range | 120° |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Origin | |
| Country of Origin | China |
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
| Weight | Below Average Lighter than 15% of 2538 Standard servos |
Performance Analysis
| Shaft Power | 1.00 W |
| Power Density | 0.477 W/in³ More power-dense than 11% of 62 Kpower servos |
| Torque Density | 1.3615 oz-in/g |
| Torque-to-Volume Ratio | 49.04 oz-in/in³ |
| Speed-to-Weight | 0.06971 (1/sec·g) |
| Speed-Torque Trade-off | 19.53 |
| Voltage Range Width | 1.4 V Wider voltage range than 3% of 34 Kpower servos |
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