FeeTech FT4311M

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Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	FT4311M
Category	Hobby
Discontinued	Yes
Performance
Torque	6.0V 32.00 oz-in 4.8V 29.20 oz-in Below Average
Speed	6.0V 0.05 sec/60° 4.8V 0.08 sec/60° Above Average
Physical
Weight	1.02 ozBelow Average
Dimensions	L 1.386 in W 0.598 in H 1.161 in
Drivetrain
Motor Type	Brushed
Gears	Metal
Rotation Mode	Positional
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Rotational Range	120°
Pulse Width	900-2100 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal) estimate
Origin
Country of Origin	China

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Compatible Hardware

Amazon eBay

*Based on known specs.

Class Comparison

Torque	Below Average Stronger than 11% of 262 Digital Mini servos at 4.8V
Speed	Above Average Faster than 86% of 263 Digital Mini servos at 4.8V
Weight	Below Average Lighter than 32% of 466 Digital Mini servos

Performance Analysis

Shaft Power	0.67–1.18 W
Power Density	1.230 W/in³ More power-dense than 33% of 440 Digital Mini servos
Torque Density	1.0069 oz-in/g Stronger than 3% of 258 Digital Mini servos
Torque-to-Volume Ratio	30.34 oz-in/in³ Denser torque than 6% of 262 Digital Mini servos
Speed-to-Weight	0.43103 (1/sec·g) Faster than 69% of 259 Digital Mini servos
Speed-Torque Trade-off	2.34 Better balanced than 8% of 261 Digital Mini servos
Torque Gain per Volt	7.99%/V More voltage-responsive (torque) than 3% of 232 Digital Mini servos
Speed Gain per Volt	50.00%/V 1st-highest speed gain per volt of 235 Digital Mini servos
Voltage Range Width	1.2 V Wider voltage range than 19% of 351 Digital Mini servos