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Technical Specifications
Last Updated: 2026-09-16
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HD-1370A |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
8.30 oz-in
0.60 kg-cm
0.1 N-m
4.8V
5.60 oz-in
0.40 kg-cm
0.0 N-m
Bottom 10%
|
| Speed |
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Above Average
|
| Running Current |
6.0V
0.120 A
120 mA
4.8V
0.110 A
110 mA
Above Average
|
| Stall Current | 0.26–0.32 A260–320 mATop 10% |
| Physical | |
| Weight | 0.13 oz3.7 gTop 10% |
| Dimensions |
L 0.79 in W 0.31 in H 0.69 in L 20.1 mm W 7.9 mm H 17.5 mm |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Plastic |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Analog |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | 180° |
| Pulse Cycle | 20 ms |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 50 Hz |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–60 °C14–140 °F |
| Idle Current | 0.005 A5 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 100 mm3.94 in |
| Origin | |
| Country of Origin | Hong Kong |
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 | Bottom 10% Stronger than 2% of 176 Analog Micro servos at 4.8V |
| Speed | Above Average Faster than 65% of 176 Analog Micro servos at 4.8V |
| Weight | Top 10% Lighter than 92% of 372 Analog Micro servos |
| Running Current | Above Average Lower draw than 76% of 38 Analog Micro servos at 4.8V |
| Stall Current | Top 10% Lower draw than 98% of 57 Analog Micro servos |
Performance Analysis
| Shaft Power | 0.09–0.15 W |
| Power Density | 0.908 W/in³ More power-dense than 56% of 357 Analog Micro servos |
| Torque Density | 1.5135 oz-in/g Stronger than 14% of 176 Analog Micro servos |
| Torque-to-Volume Ratio | 33.14 oz-in/in³ Denser torque than 13% of 176 Analog Micro servos |
| Speed-to-Weight | 2.25225 (1/sec·g) Faster than 95% of 176 Analog Micro servos |
| Speed-Torque Trade-off | 0.67 Better balanced than 3% of 175 Analog Micro servos |
| Current-per-Torque Ratio | 0.0571 A/oz-in More efficient than 23% of 44 Analog Micro servos |
| Idle-to-Running Current Ratio | 0.045 Lower idle draw than 59% of 30 Analog Micro servos |
| No-Load vs Stall Current Spread | 2.91 3rd-highest no-load vs stall current spread of 29 Analog Micro servos |
| Torque Gain per Volt | 40.18%/V 4th-highest torque gain per volt of 110 Analog Micro servos |
| Speed Gain per Volt | 16.67%/V More voltage-responsive (speed) than 59% of 110 Analog Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 69% of 197 Analog Micro servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
A well-known choice for micro flying and tiny builds. Users find it light and cheap, but weak and with delicate plastic parts.
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