AndyMark AM-4955

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*Based on known specs.

Technical Specifications

Last Updated: 2026-11-04

Identity
Brand
Product Number	am-4955
Category	Robotics
Performance
Torque	6.0V96.00 oz-in
Speed	6.0V0.05 sec/60°
Stall Current	≤2.7 AAverage
Rated Output Power	3.6 W
Physical
Weight	2.40 ozAbove Average
Shape	Boxed
Dimensions	L 2.50 in W 1.64 in H 1.76 in
Case Material	Plastic
Drivetrain
Gears	Metal
Gear Spline/Teeth	6 T
Rotation Mode	Positional
Control & Signal
Modulation	Digital
Rotational Range	300°
Mechanical Limit	360°
Pulse Width	500-2500 µs
Neutral Position	1500 µs
Dead Band	2 µs
Refresh Rate	333 Hz
Angle Sensor	Potentiometer
Control System	PWM
Programmable	Yes
Operating Modes	Position, Continuous Rotation
Electrical & Environment
Operating Voltage	4.8–7.4 V
Connectivity
Connector	JR (Universal)

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Compatible Hardware

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*Based on known specs.

Class Comparison

Weight	Above Average Lighter than 68% of 145 Digital Large servos
Stall Current	Average Lower draw than 52% of 92 Digital Large servos

Performance Analysis

Torque Density	1.4118 oz-in/g
Torque-to-Volume Ratio	13.30 oz-in/in³
Speed-to-Weight	0.29412 (1/sec·g)
Speed-Torque Trade-off	4.80
Current-per-Torque Ratio	0.0281 A/oz-in
Voltage Range Width	2.6 V Wider voltage range than 28% of 124 Digital Large servos
Dead-Band-to-Pulse-Width Ratio	0.0010 Finer dead band than 69% of 63 Robotics servos

Notes

Adjustable metal-geared servos with integrated mounting flanges (10-32 holes) and steel hex output shaft. Programmable for angular limits and continuous rotation via am-3218 programmer. Available in High Torque/Speed and 1-Turn/5-Turn variants. Analog feedback option available.