Emax ES3351

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*Based on known specs.

Technical Specifications

Last Updated: 2026-11-05

Identity
Brand
Product Number	ES3351
Category	Hobby
Performance
Torque	6.0V 30.56 oz-in 4.8V 27.78 oz-in Average
Speed	6.0V 0.10 sec/60° 4.8V 0.12 sec/60° Average
Physical
Weight	0.37 ozAverage
Dimensions	L 0.91 in W 0.36 in H 0.95 in
Case Material	Plastic
Drivetrain
Motor Type	Brushed
Gears	Plastic
Control & Signal
Modulation	Digital
Direction	Counterclockwise
Pulse Width	1500-1900 µs
Angle Sensor	Potentiometer
Control System	PWM
Programmable	Yes
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 50% of 349 Digital Micro servos at 4.8V
Speed	Average Faster than 41% of 347 Digital Micro servos at 4.8V
Weight	Average Lighter than 52% of 597 Digital Micro servos

Performance Analysis

Shaft Power	0.43–0.57 W
Power Density	1.816 W/in³ More power-dense than 49% of 563 Digital Micro servos
Torque Density	2.6208 oz-in/g Stronger than 57% of 349 Digital Micro servos
Torque-to-Volume Ratio	89.26 oz-in/in³ Denser torque than 64% of 345 Digital Micro servos
Speed-to-Weight	0.78616 (1/sec·g) Faster than 58% of 347 Digital Micro servos
Speed-Torque Trade-off	3.33 Better balanced than 53% of 345 Digital Micro servos
Torque Gain per Volt	8.34%/V More voltage-responsive (torque) than 7% of 290 Digital Micro servos
Speed Gain per Volt	16.67%/V More voltage-responsive (speed) than 43% of 295 Digital Micro servos
Voltage Range Width	1.2 V Wider voltage range than 18% of 496 Digital Micro servos