Reedy RC4020A Digital Brushless Servo

SKU: KNKAE27150 Category:


Only 4 left in stock


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.

Thanks to its impressive list of features, Reedy’s HV Digital Competition Crawler Servo is the logical choice for crawler, trail truck, and monster truck enthusiasts of all skill levels.


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


Input (V)4.8 – 8.4
Speed (sec/60deg), 6.0V.150
Speed (sec/60deg), 7.4V.135
Speed (sec/60deg), 8.4V.12
Torque (kg-cm/in-oz), 6.0V37/514
Torque (kg-cm/in-oz), 7.4V44/612
Torque (kg-cm/in-oz), 8.4V50/695
Dimensions (mm)40x20x37.5
Weight (g)82

Additional information
Weight 0.800999 lbs
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