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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-2401 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
485.80 oz-in
34.98 kg-cm
3.4 N-m
7.4V
416.40 oz-in
29.98 kg-cm
2.9 N-m
6.0V
347.00 oz-in
24.99 kg-cm
2.5 N-m
4.8V
277.60 oz-in
19.99 kg-cm
2.0 N-m
Average
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.13 sec/60°
461.5 deg/s
76.9 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
4.8V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Below Average
|
| Stall Current | 2.1–3.65 A2100–3650 mAAverage |
| Physical | |
| Weight | 2.47 oz70.0 gBelow Average |
| Dimensions |
L 1.591 in W 0.787 in H 1.496 in L 40.4 mm W 20.0 mm H 38.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -10–65 °C14–149 °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 | Average Stronger than 62% of 1060 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 10% of 1045 Digital Standard servos at 4.8V |
| Weight | Below Average Lighter than 35% of 1880 Digital Standard servos |
| Stall Current | Average Lower draw than 41% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.57–8.98 W |
| Power Density | 4.794 W/in³ More power-dense than 77% of 1768 Digital Standard servos |
| Torque Density | 3.9657 oz-in/g Stronger than 60% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 148.15 oz-in/in³ Denser torque than 64% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.07143 (1/sec·g) Faster than 8% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 55.52 Better balanced than 82% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0131 A/oz-in More efficient than 58% of 331 Digital Standard servos |
| Torque Gain per Volt | 20.83%/V More voltage-responsive (torque) than 83% of 873 Digital Standard servos |
| Speed Gain per Volt | 27.78%/V More voltage-responsive (speed) than 97% of 874 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 84% of 1560 Digital Standard servos |
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