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Small rectangular servo motor with black plastic housing, output shaft on one side, three-wire cable attached

JUSHIDE

JUSHIDE JS6620 IP66 Waterproof Digital RC Servo Motor 20KG 180°

SKU CH-Y9Q1-10BNX

Waterproof digital servo delivers 18 kg-cm torque with IP66 sealing, metal gears and 180° rotation for RC and robotic projects

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  • High torque handles heavy steering loads with 21.5kg-cm stall torque @6.8V
  • IP66 sealed housing resists splashes and dust for outdoor RC crawler use
  • Metal gears plus dual bearings cut friction for smoother output and longer life
  • Digital PWM control gives precise 180° positioning with 3µs dead band
  • Compact 40×20×40.5mm body fits robotic arms, gimbals and DIY automation rigs

JUSHIDE JS6620 20KG Digital Servo

The JUSHIDE JS6620 is a new IP66 waterproof digital RC servo motor built for hobbyists and builders who need reliable high torque and precise 180° positioning. It uses a 275:1 metal gear reduction with dual bearings to reduce friction and deliver smoother output under heavy loads.

Suits crawlers, robotic arms and pan-tilt rigs

This servo suits RC crawlers, off-road cars, robotic arms, camera gimbals and DIY automation mechanisms that demand strong torque and accurate digital PWM control. Buyers who need continuous rotation beyond 180° or a smaller form factor for micro-class models should look at other options.

Check voltage, signal and mounting before ordering

Verify your power supply can deliver within the 56.8V range and that your controller outputs a compatible 5002500µs pulse width at 50330Hz. Confirm the 40×20×40.5mm dimensions and 300mm lead length fit your chassis or mounting points, and ensure the operating temperature span of -15°C to 70°C covers your environment.

Highlights

  • High torque handles heavy steering loads with 21.5kg-cm stall torque @6.8V
  • IP66 sealed housing resists splashes and dust for outdoor RC crawler use
  • Metal gears plus dual bearings cut friction for smoother output and longer life
  • Digital PWM control gives precise 180° positioning with 3µs dead band
  • Compact 40×20×40.5mm body fits robotic arms, gimbals and DIY automation rigs

Specifications

BrandAideepen

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Questions about this item

What voltage source must I already have to run the JS6620 servo?

The servo operates from 5 V to 6.8 V, so a standard 2S LiPo, a 5 V BEC, or a 6 V NiMH pack will power it directly.

Will the 275:1 metal gear train and dual bearings handle the shock loads from my older RC crawler chassis?

Yes, the metal gears and double bearing support are built for high-torque steering and joint actuation, giving smoother output and longer life under heavy loads.

How can I confirm the 180° travel is calibrated correctly after installation?

Send a 500 µs pulse for one limit and a 2500 µs pulse for the other; the output shaft should move through the full 180° range with a 3 µs dead band.

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