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HJ-DS 20Kg Metal Steering Digital Waterproof Servo High Torque Servo


20Kg Metal High Torque Waterproof Digital Servo with Metal Servo arm

The DS3218MG 20KG digital servo features HV high torque, metal gear, fast heat dissipation, sensitivity and responsiveness. With high quality and performance, it is tailored for RC hobbyist to provide different experience in RC driving.

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Large torque - maximum torque can up to (6.8V)
High-precision metal gear with hard anodizing for better accuracy and longer service life
CNC aluminium middle shell enhances heat dissipation and ensures the servo motor can work well
Water proof rubber seals screws, made of first-grade material ensure the longevity of the products
Good performance digital standard servo, which can be a common use for robots, mechanical arms, climbing cars and remote control toys
Tailored for RC hobbyist to provide different experience 


  • Item: DS3218 20Kg Digital Servo
  • Operating voltage: 4.8 - 6.8V
  • Operating speed (5.0V): 0.16 sec/60°degrees
  • Operating speed (6.8V): 0.14 sec/60° degrees
  • Stall torque (5.0V): 19kg/cm
  • Stall torque (6.8V): 21.5kg/cm
  • Dead band: 3μs
  • Working frequency: 1520μs / 333hz
  • Connector wire: About 300mm
  • Gear type: Copper & Aluminium
  • Motor Type: DC motor
  • Size: 40 x 20 x 40.5mm
  • Weight: 60g

Note: There could be some deviations due to manual measurement and/or slight color differences as opposed to appearance of the images shown. 

Included in the package:
1 x DS3218 20kg Digital Servo with servo horn
1 x 25T Adjustable Metal Servo Arm