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), 6.0V: 37/514
Torque (kg-cm/in-oz), 7.4V: 44/612
Torque (kg-cm/in-oz), 8.4V: 50/695
Dimensions (mm): 40x20x37.5
Weight (g): 82
#27150 – Reedy RC4020A HV Digital Competition Crawler Servo – $137.99
#27151 – Reedy RC4020A Gear Set – $39.99