Kyosho KS4071-06W

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Technical Specifications

Last Updated: 2026-10-26

Identity
Brand
Product Number	82281
Category	Hobby
Performance
Torque	6.0V 97.21 oz-in 5.0V 83.32 oz-in Below Average
Speed	6.0V 0.15 sec/60° 5.0V 0.17 sec/60° Below Average
Physical
Weight	2.12 ozAverage
Dimensions	L 1.591 in W 0.803 in H 1.634 in
Drivetrain
Gear Spline/Teeth	25 T
Control & Signal
Modulation	Digital
Electrical & Environment
Operating Voltage	5–6 V
Connectivity
Connector	JR (Universal)
Wire Length	220 mm
Origin
Country of Origin	Japan

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*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 13% of 1060 Digital Standard servos at 5.0V
Speed	Below Average Faster than 25% of 1045 Digital Standard servos at 5.0V
Weight	Average Lighter than 61% of 1880 Digital Standard servos

Performance Analysis

Shaft Power	0.91–1.20 W
Power Density	0.574 W/in³ More power-dense than 5% of 1768 Digital Standard servos
Torque Density	1.3887 oz-in/g Stronger than 9% of 1053 Digital Standard servos
Torque-to-Volume Ratio	39.91 oz-in/in³ Denser torque than 9% of 1058 Digital Standard servos
Speed-to-Weight	0.09804 (1/sec·g) Faster than 34% of 1038 Digital Standard servos
Speed-Torque Trade-off	14.17 Better balanced than 22% of 1034 Digital Standard servos
Torque Gain per Volt	16.67%/V More voltage-responsive (torque) than 60% of 873 Digital Standard servos
Speed Gain per Volt	13.35%/V More voltage-responsive (speed) than 36% of 874 Digital Standard servos
Voltage Range Width	1.0 V Wider voltage range than 3% of 1560 Digital Standard servos