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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SRT-BH9037 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
513.80 oz-in
37.00 kg-cm
3.6 N-m
7.4V
486.00 oz-in
35.00 kg-cm
3.4 N-m
6.0V
416.60 oz-in
30.00 kg-cm
2.9 N-m
Above Average
|
| Speed |
8.4V
0.13 sec/60°
461.5 deg/s
76.9 RPM
7.4V
0.14 sec/60°
428.6 deg/s
71.4 RPM
6.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
Below Average
|
| Physical | |
| Weight | 2.82 oz80.0 gBottom 10% |
| Dimensions |
L 1.57 in W 0.79 in H 1.49 in L 39.9 mm W 20.1 mm H 37.8 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Titanium / Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 250 mm9.84 in |
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 | Above Average Stronger than 86% of 1055 Digital Standard servos at 6.0V |
| Speed | Below Average Faster than 31% of 1038 Digital Standard servos at 6.0V |
| Weight | Bottom 10% Lighter than 10% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.81–7.31 W |
| Power Density | 3.954 W/in³ More power-dense than 71% of 1762 Digital Standard servos |
| Torque Density | 5.2075 oz-in/g Stronger than 80% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 225.43 oz-in/in³ Denser torque than 89% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.07813 (1/sec·g) Faster than 12% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 66.66 Better balanced than 88% of 1029 Digital Standard servos |
| Torque Gain per Volt | 9.72%/V More voltage-responsive (torque) than 16% of 868 Digital Standard servos |
| Speed Gain per Volt | 9.61%/V More voltage-responsive (speed) than 14% of 868 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 47% of 1552 Digital Standard servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
There are few reviews for this servo on the web. An RC Tech forum member testing SRT servos says they look and feel great, are super quiet and have no slop, while another says two sibling models are too fast for off-road buggy and strip gears.
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