Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | T0077640 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
763.80 oz-in
55.00 kg-cm
5.4 N-m
7.4V
672.90 oz-in
48.45 kg-cm
4.8 N-m
6.6V
600.10 oz-in
43.21 kg-cm
4.2 N-m
|
| Speed |
8.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
7.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
6.6V
0.10 sec/60°
600.0 deg/s
100.0 RPM
|
| Physical | |
| Weight | 2.79 oz79.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.594 in L 40.0 mm W 20.0 mm H 40.5 mm |
| Case Material | Metal |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.5–8.5 V |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 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
| Weight | Below Average Lighter than 13% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 11.10–17.65 W |
| Power Density | 8.935 W/in³ More power-dense than 96% of 1759 Digital Standard servos |
| Torque Density | 7.5962 oz-in/g |
| Torque-to-Volume Ratio | 303.73 oz-in/in³ |
| Speed-to-Weight | 0.12658 (1/sec·g) |
| Speed-Torque Trade-off | 60.01 |
| Voltage Range Width | 4.0 V Wider voltage range than 94% of 1539 Digital Standard servos |
Similar Active Servos
Reviews of JR S8944S
Be the first to review!