Traxxas Unlimited Desert Racer UDR 6S RTR 4WD Electric Race Truck w/TQi 2.4GHz Radio (Rigid Industries)

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The Traxxas Unlimited Desert Racer "Rigid Industries" Race Truck is engineered on an authentic, true to scale 4-wheel drive desert race truck chassis. The 4-link solid rear axle design provides huge suspension travel with authentic driving dynamics. From the cantilever sway bars to the 8 GTR shocks, Traxxas has accurately reproduced a true unlimited desert race chassis in both form and function.

Pro-Scale™ Performance

Pro-Scale is a Traxxas innovation that captures true-scale realism and combines it with extreme 6s LiPo power and 50+ mph performance. The Traxxas Unlimited Desert Racer faithfully captures the look and feel of Trophy Trucks and Unlimited Trick Trucks as they charge hard across the desert at full speed.

6s Extreme Power
The 50+ mph Unlimited Desert Racer delivers its pro-level performance with brutal 6s power. The VXL-6s ESC combines massive power handling with high-tech telemetry features. An ultra-tough drivetrain harnesses the extreme power to make it easy to control and fun to drive.


  • VXL-6s™ Waterproof Electronic Speed Control
    • 6s LiPo compatible
    • Integrated cooling fan
    • Real-time telemetry via Traxxas Link
    • Machined heat sink
    • 3-LED status indicators
    • Powered accessory ports
    • 10-gauge silicone wire
  • Velineon® 2200kV Brushless Motor
    • 4-pole 2200kV brushless motor
    • 5mm output shaft
    • Finned can for better heat dissipation
  • Up to 50+ mph with Two 3s LiPo Batteries
  • Traxxas Stability Management® (TSM)
    • Improves straight line acceleration and braking on low-traction surfaces
    • Maintains steering composure to allow throttle-on powerslides
    • Never dulls throttle or slows the truck
    • Adjusts from off to 100% assistance from the transmitter
  • TQi™ 2.4GHz High Output Radio System
    • TQi 2-channel transmitter
    • Automatically stores and loads settings for up to 30 Traxxas Link enabled models
    • Programmable multi-function knob
    • Adjustable steering and throttle percentage (dual rates)
    • Adjustable steering and throttle sensitivity (exponential)
    • Adjustable steering and throttle end points
    • High 13ms frame rate and near-zero latency for responsive control
    • 5-channel micro receiver (#6533) with fail-safe security
    • Patented waterproof receiver box with easy-access plug
  • Large Pro-Scale™ Body with Highly Detailed Replica Parts
    • Heavy-duty truck body mounts to chassis in multiple locations
    • Strong and functional tube frame mimics full-size off-road racers
    • Detailed interior cabin with driver figures
    • Replica brake calipers and discs with integrated 17mm wheel hubs
    • Two fully-functional spare tires and functional spare driveshaft
    • Highly detailed replica parts: fire extinguishers, shock reservoirs, jack, and tools
    • Realistic side plates mount to tube frame
  • Chassis
    • Composite inverted tub design
      • Makes maintenance easier
      • Lowers center of gravity (CG) for improved handling
      • Allows easy access to components
    • Tough skid plates protect critical components
    • Fully integrated tube frame for scale appearance and added rigidity
    • Reinforced bumpers to absorb impacts
    • ESC battery plugs hard mounted to chassis
  • Innovative Battery Compartment
    • Accommodates single 4-cell LiPo or dual 2-cell or 3-cell LiPo batteries
    • Opens from underneath without removing body
    • Fixed oversized battery strap locks batteries securely into place
    • Separate skid plate to protect batteries
  • Suspension
    • Provides scale looks and authentic off-road driving dynamics
    • Tough independent double-wishbone front suspension with captured rod ends
    • Triangulated 4-link rear suspension with solid rear axle (patent pending)
    • Tough composite trailing arms
    • Steel upper links with 3 optional positions for suspension tuning
    • Eight long-travel aluminum GTR shocks; four with springs and adjustable ride height collars
    • Realistic and functional front and rear sway bars
    • Detailed functional limit straps on rear axle
  • Steering
    • Chassis mounted #2075X metal-gear servo
    • Dual bellcrank design with bearings and integrated servo saver
    • Solid non-adjustable steering links for rugged durability
  • Drivetrain
    • Steel CVDs (front) with 6mm stub axles
    • Steel straight axle (rear)
    • Oil-filled limited slip front differential
    • Locked steel spool (rear)
    • Heavy-duty splined front driveshaft
    • Fixed-length steel rear driveshaft
  • Transmission
    • All-steel gear direct drive transmission
    • Torque-Biasing Center Drive™
    • Removes as a single piece for easy maintenance
    • Fixed-pin gear mesh system
  • Wheels and Tires
    • Replica BFGoodrich® KR3 off-road tires
    • Beadlock-style 17mm dual-diameter wheels
  • Sealed Ball Bearings
  • Hex Hardware with Rust-Resistant Black Oxide Coating

27.32 inches (694mm)
Front Track: 13.57 inches (345mm)
Rear Track: 13.57 inches (345mm)
Ground Clearance: 2.27 inches (58mm)
Weight: 13.4lb (6.1kg)
Height: 10.29 inches (261mm)
Wheelbase: 16.53 inches (420mm)
Front Shock Length: 5.28 inches (134mm)
Front Threaded Shock Length: 5.28 inches (134mm)
Rear Shock Length: 6.3 inches (160mm)
Rear Threaded Shock Length: 5.55 inches (139mm)
Tires (pre-glued): 134mm x 57mm BFGoodrich® KR3 replicas
Wheels: dual diameter 40mm x 56/81mm
Speed Control: Velineon® VXL-6s
Motor (electric): 2200kV


  • Unlimited Desert Racer with VXL-6s ESC and 2200kV motor
  • Quick Start Guide
  • TQi™ 2.4GHz radio system
  • High quality maintenance tools

Needed to Complete:

  • Single 4s LiPo battery or dual 2s LiPo batteries or dual 3s LiPo batteries with Traxxas iD connector
  • Traxxas EZ-Peak Live charger
  • (4) AA alkaline batteries for the transmitter

This product was added to our catalog on February 2, 2018.

Friday, Feb 23 2018 (4 weeks ago)
Traxxas Unlimited Desert Racer UDR 6S RTR 4WD Electric Race Truck
Tim Riggin
Saturday, Feb 17 2018 (5 weeks ago)
Traxxas Unlimited Desert Racer UDR 6S RTR 4WD Electric Race Truck
I would like to review this product when it is available. I would like to do a YouTube unboxing and first driving video. Also do a blog on like and dislikes I’m provements and such but can be persuaded to a full detail like all around which in sure with all traxxas products they are always 100% legit and fun and they are always up grading and working on designs can’t wait for this one tho the latest and greatest. Please just give me a shot if you dare. Thank you for your consideration.