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Reedy RC4020A HV Digital Competition Crawler Servo

Reedy RC4020A HV Digital Competition Crawler Servo

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Reedy's RC4020A HV Digital Competition Crawler Servo is trail-tested and engineered for use in competition-level trail trucks, crawlers, and monster trucks. A powerful motor creates incredible torque without sacrificing speed, while an advanced microprocessor provides precision steering control.

An all-metal gear set is designed for strength and durability while a CNC-machined full-aluminum case reduces operating temperatures for fade-free operation. Because the RC4020A features HV 8.4V compatibility, external BEC units can be utilized to create an incredible 50 kg-cm (695 in-oz) of torque.


  • Full aluminum case
  • High-torque brushless motor
  • Waterproof construction
  • Ultra-precise metal gears
  • Dual ball bearings
  • High-voltage compatible
  • Specifications:

  • Input (V) 4.8 - 8.4
  • Motor Brushless
  • Speed (sec/60 ) - (6.0V 0.150) (7.4V 0.135) (8.4V 0.12)
  • Torque (kg-cm/in-oz) - (6.0V 37/514) (7.4V 44/612) (8.4V 50/695)
  • Dimensions (mm) 40x20x37.5
  • Weight (g) 82