Deao 40KG Metal Gear Servo Motor (180 Degree)

Description

The Deao 40KG Metal Gear Servo Motor (180 Degree) is an industrial-grade, ultra-high-torque actuator built for heavy-duty mechanical projects. When standard 9g or 20kg servos simply don't have the pushing or pulling power required, this 40kg-cm powerhouse steps in to handle extreme mechanical loads with precise positional accuracy.

Available at Tomson Electronics, this servo is constructed with a rugged full-metal geartrain to prevent stripping under heavy stress, and it features an aluminum middle casing that acts as a heatsink to dissipate heat during intense operation. Capable of sweeping a full 180 degrees, it is easily controlled using standard PWM signals from any microcontroller, making it the ultimate choice for large-scale robotics, heavy mechanical claws, and 1/8 or 1/10 scale RC vehicle steering upgrades.

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Specifications

• Brand: Deao
• Stall Torque: ~40 kg-cm (at 7.4V)
• Rotation Angle: 180 Degrees
• Gear Material: Full Metal Gears
• Operating Voltage: 4.8V to 7.4V DC
• Control System: Standard PWM (Pulse Width Modulation)
• Case Design: Plastic top/bottom with an aluminum center heatsink
• Connector Type: Standard 3-Pin JR/Futaba style (Signal, VCC, GND)

Applications

• Robotics: Powering the primary shoulder and elbow joints on large-scale robotic arms and automated heavy-lifting claws.
• RC Vehicles: Upgrading the steering mechanisms in 1/8 and 1/10 scale RC rock crawlers, buggies, and boats for extreme off-road control.
• Animatronics: Providing fluid, powerful movements for large structural animatronic props and interactive displays.
• Automation: Opening and closing heavy mechanical valves or mechanical locking systems in custom smart-home setups.

Frequently Asked Questions (FAQ)

Q: Can I power this servo directly from my Arduino's 5V pin?
A: Absolutely not. High-torque servos like this 40KG model pull massive amounts of current, especially under heavy load (stall currents can exceed 3 to 4 Amps). If you plug this into your Arduino's 5V pin, you will brown-out the board or permanently destroy the voltage regulator. You must use a dedicated, high-current external power supply (like a 2S LiPo battery or a 5A buck converter) to power the servo, sharing only the Ground connection with the Arduino.

Q: What does "40KG" torque actually mean?
A: It refers to a torque rating of 40 kg-cm. This means that if you attach a 1-centimeter long arm (horn) to the motor's shaft, the motor can push or lift a maximum of 40 kilograms at the end of that arm before stalling. If the arm is 2 centimeters long, the lifting capacity drops to 20 kilograms, and so on.

Q: How do I control the 180-degree rotation?
A: You control it just like any standard hobby servo using Pulse Width Modulation (PWM). Using the standard Servo.h library in the Arduino IDE, you send it an angle between 0 and 180, and the internal closed-loop controller will physically drive the metal gears to that exact position and hold it there.

Package Includes

• 1 × Deao 40KG Metal Gear Servo Motor (180 Degree)
• 1 × Set of assorted servo horns (arms)
• 1 × Pack of mounting screws and rubber grommets