KST X20-1035 Tail Brushless Digital Metal Gear Servo

Low Price: $150.00
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The KST X20 V2.0 X20-1035 Tail Servo. The X20 Servos feature a brushless motor, full CNC aluminum case, and a complete set of Titanium gears through out each servo. The tail servo offers 166oz/in of torque at a blistering fast 0.03 speed at 8.4V

The developers at KST ensured nothing but the best components were utilized during construction of this servo, components as large as motors and gears, materials for the servo case,and small components such as the PCB board driving the motor. EMF currents in common DC voltage applications can generate large EMF spikes under operation, which can wreak havoc on other connected electronics. X20 servos feature a PCB board which minimizes EMF spikes, protecting other electronics from having to filter out the noise.  


  • Standard size aluminum case
  • Low EMF design
  • Full metal gears
  • Dual ball bearings
  • HV compatible

Operating Voltage: 
Size: 40.5x20x38mm (width x height x thickness) 
Torque (Tail): 8.5kg.cm @ 6.0V; 12kg.cm @ 8.4V | 117oz/in @ 6.0V; 166oz/[email protected] 8.4V 
Speed (Tail): 0.04sec/60° @ 6.0V; 0.03sec/60° @ 8.4V   
Weight: 75g  
Working Frequency (Tail): 760us/560Hz  

Motor: Brushless  
Ball Bearing: 2BB 

This product was added to our catalog on April 17, 2018

Verified Owner
Monday, Sep 23 2019 (10 months ago)
KST X20-1035 Tail Brushless Digital Metal Gear Servo
This servo is super strong and fast, I've been using kst for over 3 years with zero issues. This is highly recommend for any 700 size rc helicopter build.