RDS3120MG 20KG Metal Gear Digital Servo Motor – 180° High Torque

RDS3120MG 20KG High Torque Metal Gear Digital Servo Motor – 180°

The RDS3120MG 180° is a high-performance digital servo delivering a strong 20KG·cm of torque with a precise 180° operating angle — the ideal choice for RC aircraft control surfaces, robotics, and Arduino projects that demand reliable torque with accurate, controlled actuation. Compact, dependable, and built to last.

Key Features

• 20KG·cm Torque – Strong holding and actuation power for medium-scale RC aircraft control surfaces, robotic joints, and mechanical linkages
• 180° Operating Angle – Precise, controlled range of motion ideal for ailerons, elevators, rudders, flaps, and robotic arm joints
• 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: 180°
• 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 fixed-wing model, or an Arduino-powered robotic arm, the RDS3120MG 180° delivers dependable torque and precise controlled travel in a compact, robust package.