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KST X20-7.4-M-805
Standard

KST X20-7.4-M-805

Compatible Hardware

*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10
Identity
Brand KST
Category Hobby
Performance
Torque
8.4V 166.56 oz-in
7.4V 152.68 oz-in
6.0V 124.92 oz-in Below Average
Speed
8.4V 0.03 sec/60°
7.4V 0.04 sec/60°
6.0V 0.04 sec/60° Top 10%
Physical
Weight 2.65 ozBelow Average
Dimensions L 1.575 in
W 0.787 in
H 1.575 in
Case Material Aluminum
Drivetrain
Motor Type Brushless
Gears Steel
Rotation/Support 6
Backlash 0.500°
Control & Signal
Modulation Digital
Pulse Cycle 1.7857 ms
Pulse Width 450-1050 µs
Neutral Position 760 µs
Refresh Rate 560 Hz
Control System PWM
Signal Voltage 3-5V
Electrical & Environment
Operating Voltage 6–8.4 V
Temperature -10–65 °C
Connectivity
Connector JR (Universal) estimate

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

TorqueBelow Average
Stronger than 24% of 1043 Digital Standard servos at 6.0V
SpeedTop 10%
Faster than 99% of 1041 Digital Standard servos at 6.0V
WeightBelow Average
Lighter than 21% of 1902 Digital Standard servos

Performance Analysis

Shaft Power 5.77–10.27 W
Power Density5.257 W/in³
More power-dense than 80% of 1759 Digital Standard servos
Torque Density1.6656 oz-in/g
Stronger than 14% of 1036 Digital Standard servos
Torque-to-Volume Ratio63.97 oz-in/in³
Denser torque than 23% of 1042 Digital Standard servos
Speed-to-Weight0.33333 (1/sec·g)
Faster than 97% of 1033 Digital Standard servos
Speed-Torque Trade-off5.00
Better balanced than 6% of 1031 Digital Standard servos
Torque Gain per Volt13.89%/V
More voltage-responsive (torque) than 38% of 850 Digital Standard servos
Speed Gain per Volt13.89%/V
More voltage-responsive (speed) than 40% of 871 Digital Standard servos
Voltage Range Width2.4 V
Wider voltage range than 57% of 1539 Digital Standard servos

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