SpringRC SM-S4306B

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-25

Identity
Brand
Product Number	SM-S4306B
Category	Hobby
Performance
Torque	6.0V 77.80 oz-in 4.8V 66.70 oz-in Average
Speed	6.0V 0.18 sec/60° 4.8V 0.22 sec/60° Below Average
Physical
Weight	1.55 ozAbove Average
Dimensions	L 1.654 in W 0.807 in H 1.555 in
Drivetrain
Motor Type	Brushed
Gears	Plastic
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	180°
Neutral Position	1500 µs
Control System	PWM
Electrical & Environment
Operating Voltage	4.8–6 V
Connectivity
Connector	JR (Universal)
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 38% of 198 Analog Standard servos at 4.8V
Speed	Below Average Faster than 19% of 195 Analog Standard servos at 4.8V
Weight	Above Average Lighter than 70% of 447 Analog Standard servos

Performance Analysis

Shaft Power	0.56–0.80 W
Power Density	0.385 W/in³ More power-dense than 28% of 432 Analog Standard servos
Torque Density	1.5159 oz-in/g Stronger than 44% of 198 Analog Standard servos
Torque-to-Volume Ratio	32.14 oz-in/in³ Denser torque than 35% of 198 Analog Standard servos
Speed-to-Weight	0.10331 (1/sec·g) Faster than 36% of 195 Analog Standard servos
Speed-Torque Trade-off	14.68 Better balanced than 55% of 195 Analog Standard servos
Torque Gain per Volt	13.87%/V More voltage-responsive (torque) than 46% of 156 Analog Standard servos
Speed Gain per Volt	18.52%/V More voltage-responsive (speed) than 69% of 156 Analog Standard servos
Voltage Range Width	1.2 V Wider voltage range than 37% of 239 Analog Standard servos