SpringRC SM-S4306B

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-10

Identity
Brand
Product Number	SM-S4306B
Category	Hobby
Performance
Torque	6.0V 92.20 oz-in 4.8V 79.80 oz-in Average
Speed	6.0V 0.16 sec/60° 4.8V 0.18 sec/60° 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 50% of 192 Analog Standard servos at 4.8V
Speed	Average Faster than 56% of 190 Analog Standard servos at 4.8V
Weight	Above Average Lighter than 69% of 448 Analog Standard servos

Performance Analysis

Shaft Power	0.82–1.07 W
Power Density	0.513 W/in³ More power-dense than 42% of 437 Analog Standard servos
Torque Density	1.8136 oz-in/g Stronger than 57% of 192 Analog Standard servos
Torque-to-Volume Ratio	38.45 oz-in/in³ Denser torque than 43% of 192 Analog Standard servos
Speed-to-Weight	0.12626 (1/sec·g) Faster than 67% of 190 Analog Standard servos
Speed-Torque Trade-off	14.37 Better balanced than 53% of 190 Analog Standard servos
Torque Gain per Volt	12.95%/V More voltage-responsive (torque) than 42% of 145 Analog Standard servos
Speed Gain per Volt	10.43%/V More voltage-responsive (speed) than 27% of 147 Analog Standard servos
Voltage Range Width	1.2 V Wider voltage range than 37% of 229 Analog Standard servos