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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | REEF777 |
| Category | Hobby |
| Performance | |
| Torque |
14.0V
777.00 oz-in
55.95 kg-cm
5.5 N-m
12.0V
700.00 oz-in
50.41 kg-cm
4.9 N-m
11.1V
666.00 oz-in
47.96 kg-cm
4.7 N-m
|
| Speed |
14.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
12.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
11.1V
0.10 sec/60°
600.0 deg/s
100.0 RPM
|
| Running Current |
12.6V
0.530 A
530 mA
12.0V
0.480 A
480 mA
11.1V
0.450 A
450 mA
|
| Physical | |
| Weight | 3.12 oz88.5 gBottom 10% |
| Dimensions |
L 1.57 in W 0.78 in H 1.63 in L 39.9 mm W 19.8 mm H 41.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Triple Bearings |
| Control & Signal | |
| Modulation | Digital |
| Dead Band | 2 µs |
| Angle Sensor | Magnetic Encoder |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 10–14 V |
| Power Source | Direct |
| Regulator Type | Direct |
| Water Rating | IP67 |
| Connectivity | |
| Connector | JST |
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 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 12.31–17.96 W |
| Power Density | 8.997 W/in³ More power-dense than 97% of 1762 Digital Standard servos |
| Torque Density | 7.5297 oz-in/g |
| Torque-to-Volume Ratio | 333.65 oz-in/in³ |
| Speed-to-Weight | 0.11306 (1/sec·g) |
| Speed-Torque Trade-off | 66.60 |
| Voltage Range Width | 4.0 V Wider voltage range than 89% of 1552 Digital Standard servos |
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Reviews (2)
Includes 2 reviews aggregated from around the web.
There are few reviews for this servo on the web. A video reviewer calls it an absolute monster for a rock bouncer build, and another uses it as a steering upgrade in a Traxxas TRX-4.
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