KingMax Hobby KM0940MA

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	KM0940MA
Category	Hobby
Performance
Torque	5.0V 69.45 oz-in 4.8V 59.73 oz-in Top 10%
Speed	5.0V 0.12 sec/60° 4.8V 0.14 sec/60° Below Average
Physical
Weight	0.49 ozBottom 10%
Dimensions	L 0.93 in W 0.46 in H 0.84 in
Case Material	Metal
Drivetrain
Motor Type	Brushed
Gears	Metal
Gear Spline/Teeth	21 T
Rotation/Support	Bushing
Control & Signal
Modulation	Analog
Neutral Position	1520 µs
Dead Band	4 µs
Refresh Rate	50 Hz
Angle Sensor	Potentiometer
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Temperature	-10–60 °C
Water Rating	None
Connectivity
Connector	JR (Universal)
Wire Length	300 mm
Origin
Country of Origin	China

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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.

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Amazon eBay

*Based on known specs.

Class Comparison

Torque	Top 10% Stronger than 99% of 170 Analog Micro servos at 4.8V
Speed	Below Average Faster than 15% of 170 Analog Micro servos at 4.8V
Weight	Bottom 10% Lighter than 8% of 346 Analog Micro servos

Performance Analysis

Shaft Power	0.79–1.07 W
Power Density	2.978 W/in³ More power-dense than 97% of 333 Analog Micro servos
Torque Density	4.3283 oz-in/g 3rd-highest torque density of 170 Analog Micro servos
Torque-to-Volume Ratio	166.22 oz-in/in³ 3rd-highest torque-to-volume ratio of 170 Analog Micro servos
Speed-to-Weight	0.51760 (1/sec·g) Faster than 7% of 170 Analog Micro servos
Speed-Torque Trade-off	8.36 3rd-highest speed-torque trade-off of 169 Analog Micro servos
Voltage Range Width	1.2 V Wider voltage range than 18% of 182 Analog Micro servos