Emax ES09MD

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*Based on known specs.

Technical Specifications

Last Updated: 2026-09-16

Identity
Brand
Product Number	ES09MD
Category	Hobby
Performance
Torque	6.0V 36.11 oz-in 4.8V 31.95 oz-in Average
Speed	6.0V 0.08 sec/60° 4.8V 0.10 sec/60° Average
Physical
Weight	0.52 ozBelow Average
Dimensions	L 0.91 in W 0.47 in H 0.96 in
Case Material	Plastic
Drivetrain
Gears	Metal
Rotation Mode	Positional
Rotation/Support	Single Bearing
Control & Signal
Modulation	Digital
Direction	Counterclockwise
Pulse Width	1100-1900 µs
Neutral Position	1500 µs
Angle Sensor	Potentiometer
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	Futaba \| JR
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.

Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Average Stronger than 64% of 328 Digital Micro servos at 4.8V
Speed	Average Faster than 61% of 328 Digital Micro servos at 4.8V
Weight	Below Average Lighter than 27% of 620 Digital Micro servos

Performance Analysis

Shaft Power	0.59–0.83 W
Power Density	2.033 W/in³ More power-dense than 52% of 590 Digital Micro servos
Torque Density	2.1588 oz-in/g Stronger than 39% of 327 Digital Micro servos
Torque-to-Volume Ratio	77.81 oz-in/in³ Denser torque than 56% of 327 Digital Micro servos
Speed-to-Weight	0.67568 (1/sec·g) Faster than 41% of 327 Digital Micro servos
Speed-Torque Trade-off	3.20 Better balanced than 48% of 327 Digital Micro servos
Torque Gain per Volt	10.85%/V More voltage-responsive (torque) than 16% of 268 Digital Micro servos
Speed Gain per Volt	20.83%/V More voltage-responsive (speed) than 67% of 273 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 17% of 511 Digital Micro servos