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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SRT-T55 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
763.80 oz-in
55.00 kg-cm
5.4 N-m
7.4V
694.40 oz-in
50.00 kg-cm
4.9 N-m
6.0V
597.20 oz-in
43.00 kg-cm
4.2 N-m
Top 10%
|
| Speed |
8.4V
0.19 sec/60°
315.8 deg/s
52.6 RPM
7.4V
0.20 sec/60°
300.0 deg/s
50.0 RPM
6.0V
0.22 sec/60°
272.7 deg/s
45.5 RPM
Bottom 10%
|
| Physical | |
| Weight | 2.86 oz81.0 gBottom 10% |
| Dimensions |
L 1.60 in W 0.81 in H 1.54 in L 40.6 mm W 20.6 mm H 39.1 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3.03 ms |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 330 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | 2S LiPo |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 in |
| Origin | |
| Country of Origin | CN |
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 | Top 10% Stronger than 96% of 1043 Digital Standard servos at 6.0V |
| Speed | Bottom 10% Faster than 6% of 1041 Digital Standard servos at 6.0V |
| Weight | Bottom 10% Lighter than 8% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.02–7.43 W |
| Power Density | 3.724 W/in³ More power-dense than 68% of 1759 Digital Standard servos |
| Torque Density | 7.3728 oz-in/g Stronger than 94% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 299.22 oz-in/in³ Denser torque than 95% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.05612 (1/sec·g) Faster than 1% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 131.40 Better balanced than 99% of 1031 Digital Standard servos |
| Torque Gain per Volt | 11.62%/V More voltage-responsive (torque) than 24% of 850 Digital Standard servos |
| Speed Gain per Volt | 6.59%/V More voltage-responsive (speed) than 4% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 47% of 1539 Digital Standard servos |
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