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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HL-3640-C001 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
555.60 oz-in
40.01 kg-cm
3.9 N-m
6.0V
452.13 oz-in
32.56 kg-cm
3.2 N-m
|
| Speed |
7.4V
0.22 sec/60°
272.7 deg/s
45.5 RPM
6.0V
0.27 sec/60°
219.0 deg/s
36.5 RPM
|
| Running Current |
7.4V
0.150 A
150 mA
6.0V
0.120 A
120 mA
|
| Stall Current | 2.7–3.3 A2700–3300 mAAverage |
| Physical | |
| Weight | 3.14 oz89.0 gBottom 10% |
| Dimensions |
L 1.575 in W 0.787 in H 1.695 in L 40.0 mm W 20.0 mm H 43.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 360° |
| Angle Sensor | Magnetic Encoder |
| Control System | TTL |
| Electrical & Environment | |
| Operating Voltage | 5–8.4 V |
| Temperature | -20–60 °C-4–140 °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 1880 Digital Standard servos |
| Stall Current | Average Lower draw than 47% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.05–4.67 W |
| Power Density | 2.223 W/in³ More power-dense than 48% of 1768 Digital Standard servos |
| Torque Density | 5.0801 oz-in/g |
| Torque-to-Volume Ratio | 215.20 oz-in/in³ |
| Speed-to-Weight | 0.04101 (1/sec·g) |
| Speed-Torque Trade-off | 123.87 |
| Current-per-Torque Ratio | 0.0073 A/oz-in |
| No-Load vs Stall Current Spread | 27.50 |
| Voltage Range Width | 3.4 V Wider voltage range than 72% of 1560 Digital Standard servos |
| Backlash-to-Range Ratio | 0.00000 2nd-highest backlash-to-range ratio of 52 Digital Standard servos |
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