RDS3120MG 20KG Metal Gear Digital Servo Motor – 270° High Torque

RDS3120MG 20KG High Torque Metal Gear Digital Servo Motor – 270°

The RDS3120MG is a high-performance digital servo delivering a strong 20KG·cm of torque with an extended 270° operating angle — making it the ideal choice for RC aircraft, robotics, and Arduino projects that demand reliable torque across a wide range of motion. Compact, precise, and built to last, this servo punches well above its weight class.

Key Features

• 20KG·cm Torque – Strong holding and actuation power for medium-scale RC aircraft control surfaces, robotic joints, and mechanical linkages
• 270° Operating Angle – Extended rotation range ideal for pan-tilt mounts, robotic arms, camera gimbals, and multi-axis mechanisms
• Full Metal Gear Train – Hardened metal gears resist stripping under load for long-term durability and reliability
• Digital Signal Processing – Faster response, higher resolution, and better holding torque vs. analogue servos
• Arduino Compatible – Standard PWM interface works seamlessly with Arduino, flight controllers, and RC receivers
• Dual Ball Bearings – Smooth, low-friction output shaft for precise and consistent actuation

Specifications

• Torque: 20KG·cm (6V)
• Operating Voltage: 4.8V – 6.8V
• Operating Angle: 270°
• Speed: 0.20 sec/60° (6V)
• Gear Material: Full Metal
• Connector: JR / Futaba compatible (universal 3-pin)
• Weight: ~55g

Whether you're building a mid-size RC aircraft, a pan-tilt camera rig, or an Arduino-powered robotic arm, the RDS3120MG delivers dependable torque and an extended range of motion in a compact, robust package.