Emax ES9256

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	ES9256
Category	Hobby
Performance
Torque	7.4V 48.62 oz-in 6.0V 41.67 oz-in Above Average
Speed	7.4V 0.05 sec/60° 6.0V 0.06 sec/60° Top 10%
Physical
Weight	0.67 ozBelow Average
Dimensions	L 0.91 in W 0.47 in H 1.04 in
Case Material	Metal
Drivetrain
Motor Type	Coreless
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Electrical & Environment
Operating Voltage	6–7.4 V
Connectivity
Connector	Futaba \| JR
Origin
Country of Origin	China

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 75% of 328 Digital Micro servos at 6.0V
Speed	Top 10% Faster than 97% of 328 Digital Micro servos at 6.0V
Weight	Below Average Lighter than 18% of 620 Digital Micro servos

Performance Analysis

Shaft Power	1.28–1.80 W
Power Density	4.042 W/in³ More power-dense than 70% of 590 Digital Micro servos
Torque Density	2.1932 oz-in/g Stronger than 41% of 327 Digital Micro servos
Torque-to-Volume Ratio	93.68 oz-in/in³ Denser torque than 68% of 327 Digital Micro servos
Speed-to-Weight	0.87719 (1/sec·g) Faster than 63% of 327 Digital Micro servos
Speed-Torque Trade-off	2.50 Better balanced than 37% of 327 Digital Micro servos
Torque Gain per Volt	11.91%/V More voltage-responsive (torque) than 23% of 268 Digital Micro servos
Speed Gain per Volt	14.29%/V More voltage-responsive (speed) than 29% of 273 Digital Micro servos
Voltage Range Width	1.4 V Wider voltage range than 47% of 511 Digital Micro servos