Traxxas Unlimited Desert Racer Truck RTR 6S (Traxxas Edition)

Brand: Traxxas
Model number: TRA85086-4TRX
Traxxas Unlimited Desert Racer Truck RTR brings pro-scale desert looks and race-ready performance to experienced hobbyists. VXL-6s speed control and Velineon brushless power deliver high top speed and onboard telemetry.
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$759.99

1/7
Scale

Product Details

Traxxas Unlimited Desert Racer Truck RTR brings pro-scale desert looks and race-ready performance to experienced hobbyists. VXL-6s speed control and Velineon brushless power deliver high top speed and onboard telemetry.
Skill Level: Advanced
Scale: 1/7
Driveline: 4WD
Radio System: TQi 2.4 GHz
Fuel Type: Electric
Cars: Traxxas Unlimited Desert Racer
Motor Type: Brushless
Needed to Complete (not included):
  • Hobby knife
  • Glue
  • Paint and finishing tools
NOTE: Photo of completed model is for illustrative purposes only. This is a model kit that requires assembly.

More info

Traxxas Unlimited Desert Racer Truck is a ready-to-run desert race truck built for high-speed bashing and long-distance desert-style runs. The Pro-Scale body and integrated tube frame give realistic looks while the VXL-6s speed control and Velineon brushless motor provide telemetry-capable power and cooling for serious performance.

Key Features

  • Pro-Scale body with replica parts — Large truck body mounts to the chassis at multiple points and includes a detailed cabin with driver figures for authentic appearance.
  • Functional tube frame — A strong tube frame copies full-size off-road racers and supports realistic side plates and mounted accessories.
  • Replica brake hardware — Brake calipers and discs are modeled with functional 17 mm wheel hubs for scale realism.
  • Two spare tires and spare driveshaft — Two fully functional spare tires plus a working spare driveshaft are mounted on the rig for accurate looks and practicality.
  • Scale accessories — Included fire extinguishers, shock reservoirs, jack, and tools add realistic detail to the rig.
  • VXL-6s waterproof ESC — 6S-capable speed control with integrated cooling fan, machined heatsink, three-LED status indicators, powered accessory ports, and 10-gauge silicone wiring for high-current reliability.
  • Telemetry-ready electronics — Real-time telemetry is supported through Traxxas Link for logging and tuning.
  • Velineon brushless motor — 4-pole 2200 Kv motor with 5 mm output shaft and finned can for better heat dissipation under load.
  • Traxxas Stability Management (TSM) — Helps with straight-line acceleration and braking on low-traction surfaces, maintains steering composure for throttle-on slides, and can be adjusted from off to full assistance from the transmitter.
  • Factory LED light kit — Dual bumper light bars (52 LEDs each), curved roof bar (52 LEDs), and a multifunction tail bar (24 red + 24 amber LEDs) driven by a high-voltage 8-channel amplifier with regulated output for steady lighting performance.
  • TQi 2.4 GHz radio system — 2-channel transmitter with a 5-channel micro receiver (6533) that provides fail-safe, telemetry ports, and stores settings for up to 30 Traxxas Link enabled models.
  • Receiver compatibility — Works with the Traxxas Link Wireless Module to unlock full app functionality and model setup.
  • Adjustable transmitter controls — Steering and throttle exponential and endpoint adjustments let you tailor response and feel.
  • Waterproof receiver box — Patented sealed receiver box with easy-access plug protects electronics from dust and moisture.
  • Composite inverted tub chassis — Lowers the center of gravity for improved handling, simplifies maintenance, and provides easy access to internal components.
  • Skid plates and reinforced bumpers — Tough skid plates protect vital components and reinforced bumpers help absorb impacts.
  • Integrated tube frame for scale and rigidity — Adds visual accuracy and structural support without complicating serviceability.
  • ESC battery plugs hard-mounted — Secure wiring routing keeps high-current connections stable under hard driving.
  • Innovative battery compartment — Accepts a single 4-cell battery or dual 2-cell/3-cell packs, opens from underneath so you don’t remove the body, and includes an oversized fixed strap plus a separate skid plate to protect batteries.
  • All-steel direct-drive transmission — Durable steel gears with Torque-Biasing Center Drive and fixed-pin gear mesh; the transmission removes as one piece for easy service.
  • Front steel CV driveshafts — Front CV shafts use 6 mm stub axles for a secure connection under load.
  • Rear steel straight axle — Solid rear axle construction for predictable rear traction and durability.
  • Oil-filled limited-slip front differential — Helps control power delivery to the front wheels for better traction.
  • Locked steel rear spool — Ensures consistent rear wheel behavior under throttle.
  • Heavy-duty splined front driveshaft — Robust spline design improves drivetrain life during hard use.
  • Fixed-length steel rear driveshaft — Simple, dependable connection with fewer moving parts to service.
  • 2270 metal-gear steering servo — Chassis-mounted digital high-torque waterproof servo with dual-bellcrank bearing system and integrated servo saver for reliable steering input.
  • Solid steering links — Non-adjustable links keep the steering system rugged and resistant to damage.
  • Independent front suspension — Double-wishbone front setup with captured rod ends for predictable handling and scale motion.
  • Triangulated 4-link rear with solid axle — Rear layout combines scale appearance with strong axle control.
  • Composite trailing arms and steel upper links — Trailing arms are composite for some flex under impact while steel upper links give three optional mounting positions for suspension tuning.
  • Eight long-travel aluminum GTR shocks — Four shocks come pre-sprung with adjustable ride-height collars for tuning ride height and damping feel.
  • Functional sway bars and limit straps — Front and rear sway bars smooth body roll and detailed rear limit straps are functional and add realism.
  • Replica BFGoodrich KR3 tires — Off-road tread pattern mounted on beadlock-style 17 mm dual-diameter wheels for scale appearance and traction.
  • Sealed ball bearings — Bearings throughout the driveline and wheels reduce friction and simplify maintenance.
  • Hex hardware with black oxide coating — Rust-resistant hardware helps parts last longer in wet or dusty conditions.

Technical Specifications

  • Model Name: Unlimited Desert Racer
  • Type: Desert race truck
  • Speed: 30+ mph (with 4-cell battery), 50+ mph (with 6-cell battery)
  • Skill Level: 5 (recommended for experienced hobbyists)
  • Scale: Pro-Scale
  • Weight: 13.4 pounds (6.1 kg)
  • Length: 27.32 inches (694 mm)
  • Width: 13.57 inches (345 mm)
  • Front Track: 13.57 inches (345 mm)
  • Rear Track: 13.57 inches (345 mm)
  • Height: 10.29 inches (261 mm)
  • Wheelbase: 16.53 inches (420 mm)
  • Center Ground Clearance: 2.27 inches (58 mm)
  • Driveline: Shaft-driven 4WD
  • Transmission: Direct-drive with Torque-Biasing Center Drive
  • Differential Type: Sealed 4-gear front, locked spool rear, sealed 4-gear center (1M weight oil)
  • Gear Ratio (Internal): 17.89:1
  • Gear Pitch: 32 pitch
  • Steering Servo: 2270 metal gear, digital high-torque, waterproof
  • Radio System: TQi 2.4 GHz 2-channel transmitter with TSM receiver (5-channel micro receiver 6533)
  • Battery Compartment: 181 mm x 46 mm x 56 mm
  • Motor Name: 2200 Kv
  • Motor Type: Sensorless brushless
  • Motor Weight: 14.32 ounces (406 g)
  • Motor Length: 2.97 inches (76 mm)
  • Motor Diameter: 1.65 inches (42 mm)
  • Motor Shaft Size: 5 mm
  • Motor Connector Type: 6.5 mm bullet
  • ESC Name: Velineon VXL-6s
  • ESC Type: Brushless
  • ESC Case Size: 2.28 in x 2.83 in x 1.81 in (58 x 72 x 46 mm)
  • ESC Weight: 7.30 ounces (207 g)
  • ESC Motor Connectors: 6.5 mm bullet
  • ESC Battery Connector: Traxxas High Current Connector

Why Choose This Truck

The Traxxas Unlimited Desert Racer Truck is designed for experienced drivers who want scale realism combined with big-speed capability. It pairs a Pro-Scale appearance and functional accessories with race-capable hardware — waterproof electronics, a purpose-built transmission, and a Velineon motor — so you can run fast, keep telemetry, and enjoy scale detail on long desert runs.

About the Brand

Traxxas

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