Futaba S3172SV

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-22

Identity
Brand
Product Number	FUTM0125
Category	Hobby
Discontinued	Yes
Performance
Torque	7.4V 57.00 oz-in 6.6V 51.00 oz-in 6.0V 46.00 oz-in Top 10%
Speed	7.4V 0.23 sec/60° 6.6V 0.26 sec/60° 6.0V 0.29 sec/60° Bottom 10%
Physical
Weight	0.71 ozBottom 10%
Dimensions	L 1.181 in W 0.425 in H 1.142 in
Drivetrain
Motor Type	3-pole
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Digital
Control System	SBUS2
Programmable	Yes
Electrical & Environment
Operating Voltage	6–7.4 V
Power Source	LiPo / LiFe / Ni-MH
Temperature	-15–55 °C
Connectivity
Connector	Futaba J

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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	Top 10% Stronger than 94% of 32 Digital Nano servos at 6.0V
Speed	Bottom 10% Faster than 0% of 31 Digital Nano servos at 6.0V
Weight	Bottom 10% Lighter than 1% of 89 Digital Nano servos

Performance Analysis

Shaft Power	0.29–0.46 W
Power Density	0.799 W/in³ More power-dense than 16% of 81 Digital Nano servos
Torque Density	2.3000 oz-in/g Stronger than 61% of 32 Digital Nano servos
Torque-to-Volume Ratio	80.25 oz-in/in³ Denser torque than 71% of 32 Digital Nano servos
Speed-to-Weight	0.17241 (1/sec·g) Faster than 0% of 31 Digital Nano servos
Speed-Torque Trade-off	13.34 1st-highest speed-torque trade-off of 31 Digital Nano servos
Torque Gain per Volt	17.08%/V More voltage-responsive (torque) than 36% of 23 Digital Nano servos
Speed Gain per Volt	18.64%/V More voltage-responsive (speed) than 59% of 75 Futaba servos
Voltage Range Width	1.4 V Wider voltage range than 39% of 77 Digital Nano servos