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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-2288 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
638.48 oz-in
45.98 kg-cm
4.5 N-m
7.4V
582.96 oz-in
41.98 kg-cm
4.1 N-m
6.0V
527.44 oz-in
37.98 kg-cm
3.7 N-m
Top 10%
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
Above Average
|
| Stall Current | 7.6–12.6 A7600–12600 mABottom 10% |
| Physical | |
| Weight | 2.82 oz80.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.575 in L 40.0 mm W 20.0 mm H 40.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | 6 |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 200° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Water Rating | IP65 |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Origin | |
| Country of Origin | China |
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 93% of 1043 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 76% of 1041 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 11% of 1902 Digital Standard servos |
| Stall Current | Bottom 10% Lower draw than 1% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 9.75–16.87 W |
| Power Density | 8.637 W/in³ More power-dense than 95% of 1759 Digital Standard servos |
| Torque Density | 6.5930 oz-in/g Stronger than 91% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 270.10 oz-in/in³ Denser torque than 92% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.12500 (1/sec·g) Faster than 57% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 52.74 Better balanced than 79% of 1031 Digital Standard servos |
| Current-per-Torque Ratio | 0.0239 A/oz-in More efficient than 23% of 315 Digital Standard servos |
| Torque Gain per Volt | 8.77%/V More voltage-responsive (torque) than 14% of 850 Digital Standard servos |
| Speed Gain per Volt | 17.85%/V More voltage-responsive (speed) than 64% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 58% of 1539 Digital Standard servos |
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