SpringRC SM-S4312M

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*Based on known specs.

Technical Specifications

Last Updated: 2026-10-24

Identity
Brand
Product Number	SM-S4312M
Category	Hobby
Performance
Torque	6.0V 180.30 oz-in 4.8V 166.60 oz-in Above Average
Speed	6.0V 0.16 sec/60° 4.8V 0.18 sec/60° Average
Physical
Weight	2.12 ozBelow Average
Dimensions	L 1.654 in W 0.807 in H 1.555 in
Drivetrain
Motor Type	Brushed
Gears	Metal
Rotation/Support	Dual Bearings
Control & Signal
Modulation	Analog
Rotational Range	60°
Pulse Cycle	20 ms
Pulse Width	900-2100 µs
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

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*Based on known specs.

Class Comparison

Torque	Above Average Stronger than 88% of 198 Analog Standard servos at 4.8V
Speed	Average Faster than 56% of 195 Analog Standard servos at 4.8V
Weight	Below Average Lighter than 12% of 447 Analog Standard servos

Performance Analysis

Shaft Power	1.71–2.08 W
Power Density	1.004 W/in³ More power-dense than 79% of 432 Analog Standard servos
Torque Density	2.7767 oz-in/g Stronger than 85% of 198 Analog Standard servos
Torque-to-Volume Ratio	80.27 oz-in/in³ Denser torque than 85% of 198 Analog Standard servos
Speed-to-Weight	0.09259 (1/sec·g) Faster than 18% of 195 Analog Standard servos
Speed-Torque Trade-off	29.99 Better balanced than 86% of 195 Analog Standard servos
Torque Gain per Volt	6.85%/V More voltage-responsive (torque) than 8% of 156 Analog Standard servos
Speed Gain per Volt	10.43%/V More voltage-responsive (speed) than 23% of 156 Analog Standard servos
Voltage Range Width	1.2 V Wider voltage range than 35% of 239 Analog Standard servos