About this product
Experience competition-grade steering precision with the Reedy RC4020A Digital HV Aluminium Brushless Servo, engineered by Team Associated for serious crawlers and trail trucks. This trail-tested performer combines a powerful brushless motor with advanced microprocessor control to deliver exceptional torque without compromising response speed. Whether you’re tackling challenging terrain or competing at the highest level, this servo keeps your radio controlled car perfectly dialed in.
Built for durability where it counts, the RC4020A features an all-metal gear set and a CNC-machined full-aluminium case that dissipates heat effectively, ensuring fade-free operation during extended sessions. HV 8.4V compatibility unlocks an impressive 50 kg-cm of torque when paired with an external BEC unit—ideal for demanding crawling applications. As part of Team Associated’s premium servo lineup, this component represents the quality you’d expect from associated electrics specialists across the UK RC hobby community.
- Brushless motor with digital microprocessor control
- Full-aluminium CNC-machined case for heat dissipation
- All-metal gear construction for maximum durability
- HV compatible: 4.8–8.4V input
- Peak torque: 50 kg-cm (695 oz-in) at 8.4V
- Speed: 0.12 seconds per 60° at 8.4V
- Weight: 82g | 25-spline output

Fastrax Aluminium Collets (5) Blue W/Screws & Wrench
Fastrax TRX Fits Slash/Stampede VXL Blue Alum Rear Knuckle Arms
Killerbody Led Unit Set (2 Yellow Leds Diameter: 5mm)
ZD Racing MT-16 1/16 Brushless 4WD Off-Road RC Car – 80km/h
RC Crawler wheels 1:10 Alu. Hub Nut M4 red (4)
Team Associated B74 Rear Suspension Arms, Hard
ZD Racing (RTR) 1/12th Scale BX12 Brushless 4WD Off-Road Racing Buggy w/Tx, Rx & 35A ESC (Orange)
Rlaarlo AM-X12 High Performance RC Car (Orange) (Roller only)
1:8 Truggy TWISTER SUPER SOFT Rubber+Insert ""B1COMP"" (2)
WLToys 124017 V2 1/12th Racing buggy
Fastrax 48dp 33t Aluminium 7075 Pinion Gear
Fastrax Axial Driveshaft Replacement Step Screws (4)
1:8 Truggy STORM SUPER SOFT Rubber+Insert ""B1COMP"" (2)
RC Crawler wheels Beadlock Wheels PT- Ecohole Gold/Red 1.9 (2 pcs)
Fastrax 48dp 35t Aluminium 7075 Pinion Gear
Fastrax M1 12t Steel Pinion Gear (5mm) Mod1
RC Crawler wheels Beadlock Wheels GEAR Black/Red 1.9 (2) w/o Hub
1:8 Buggy CHESTE SOFT "V2" pre-mounted white (2)
Fastrax Start Shaft for Ft Torque Start (Hex to Ball Hex)
Fastrax Deluxe Rotating Maintenance Stand Spare Foam Pads
RC Crawler wheels Beadlock Wheels PT-Safari Silver/Red 1.9 (2 pcs)
Rc4wd Interco Super Swamper TSL Thornbird 1.0" Scale Tyres
1:8 Buggy WIND MEDIUM/SOFT pre-mounted white ""B1COMP"" (2)
Rc4wd Mud Slinger 1.0" Scale Tyres
Rc4wd Body Decal Set for Traxxas TRX-4 2021 Ford Bronco
Team Associated Xp 7 Led Aluminium Light Bar 120mm