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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HL-3640-C001 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V555.60 oz-in40.01 kg-cm3.9 N-m |
| Speed |
7.4V0.22 sec/60°272.7 deg/s45.5 RPM |
| Running Current |
7.4V0.150 A150 mA |
| Stall Current | ≤3.3 A≤3300 mAAverage |
| Physical | |
| Weight | 3.14 oz89.0 gBottom 10% |
| Dimensions |
L 1.575 in W 0.815 in H 1.695 in L 40.0 mm W 20.7 mm H 43.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 360° |
| Control System | TTL |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Wire Length | 150 mm5.91 in |
| 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 | Bottom 10% Lighter than 2% of 1902 Digital Standard servos |
| Stall Current | Average Lower draw than 46% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.67 W |
| Power Density | 2.146 W/in³ More power-dense than 47% of 1759 Digital Standard servos |
| Torque Density | 6.2427 oz-in/g |
| Torque-to-Volume Ratio | 255.36 oz-in/in³ |
| Speed-to-Weight | 0.05107 (1/sec·g) |
| Speed-Torque Trade-off | 122.24 |
| Current-per-Torque Ratio | 0.0059 A/oz-in |
| No-Load vs Stall Current Spread | 22.00 |
| Voltage Range Width | 3.4 V Wider voltage range than 72% of 1539 Digital Standard servos |
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