The Unlimited Desert Racer combines Pro-Scale performance with extreme 6s power for the most thrilling RC driving experience possible. The UDR drives like a real desert truck because it’s engineered like a real desert truck. A 4-link solid rear axle provides huge suspension travel with authentic driving dynamics. From the cantilever sway bars and high-voltage lighting system to the GTR shocks, Traxxas accurately reproduced a true desert racer in both form and function. MODEL 85086-4: Unlimited Desert Racer Pro-Scale 4WD Race Truck, Ready-To-Race® with Traxxas Stability Management®, TQi™ 2.4 GHz radio system, VXL-6s Brushless Power System, LED lighting system, and Licensed Race Replica painted body
What's included MODEL 85086-4: Unlimited Desert Racer Pro-Scale 4WD Race Truck, Ready-To-Race with Traxxas Stability Management, with TQi 2.4GHz Radio System, VXL-6s Brushless Power System, and Licensed Race Replica painted body What’s In The Box:- Unlimited Desert Racer with VXL-6s ESC and 2200kV motor
- Quick Start Guide
- TQi™ 2.4GHz radio system
- High quality maintenance tools
- High-Voltage LED Lights
- Dual straight LED bumper-mounted LED light bars (52 LEDs each)
- Curved roof light bar (52 LEDs)
- Multifunction red and amber brake light/class light bar
- High-voltage 8-channel power amplifier for intense, brilliant LED lighting
- Regulated output for stable lighting performance
- (no flickering or dimming as the battery voltage changes)
- 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
- 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
- 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
- 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 #2075R metal-gear servo
- Dual bellcrank design with bearings and integrated servo saver
- Solid non-adjustable steering links for rugged durability
- Drivetrain
- Steel CV driveshafts (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
 Input Voltage (cells): | 4s–6s LiPo (max: 25.2 volts) |
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Case Size: | 2.28” (58mm) x 2.83” (72mm) x 1.81” (46mm) |
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Weight: | 7.30oz (207g) |
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BEC Voltage: | 6.0 V |
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BEC Current Continuous: | 10 A |
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BEC Current Peak: | 20 A |
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Reverse Delay: | Yes, with lockout |
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Low Voltage Detection (LVD): | Yes, programmable |
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Ports: | RX Input, Auxiliary Fan, Traxxas Accessory Port |
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Type: | Sensorless brushless |
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Weight: | 14.32oz (406g) |
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Length: | 2.97 inches (75.5mm) |
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Diameter: | 1.65 inches (41.8mm) |
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Connector Type: | Traxxas 6.5mm bullet connectors |
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Length: | 27.32 inches (694mm) |
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Front Track: | 13.57 inches (345mm) |
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Rear Track: | 13.57 inches (345mm) |
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Ground Clearance: | 2.27 inches (58mm) |
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Weight: | 13.4lb (6.1kg) |
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Height: | 10.29 inches (261mm) |
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Wheelbase: | 16.53 inches (420mm) |
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Front Shock Length: | 5.28 inches (134mm) |
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Front Threaded Shock Length: | 5.28 inches (134mm) |
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Rear Shock Length: | 6.3 inches (160mm) |
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Rear Threaded Shock Length: | 5.55 inches (139mm) |
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Tires (pre-glued): | 134mm x 57mm BFGoodrich® KR3 replicas |
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Wheels: | dual diameter 40mm x 56/81mm |
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Speed Control: | Velineon® VXL-6s |
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Motor (electric): | 2200kV |
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Transmission: | Direct-drive with Torque-Biasing Center Drive |
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Overall Drive Ratio: | 17.89:1 |
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Front Differential Type: | Sealed, 4-gear |
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Rear Differential Type: | Locked spool |
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Center Differential Type: | Sealed, 4-gear (1M weight oil) |
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Chassis Structure / Material: | Inverted composite tub |
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Brake Type: | Electronic |
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Drive System: | Shaft driven 4WD |
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Steering: | Dual bellcranks with ball bearings |
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Radio System: | TQi™ 2-channel transmitter with 6533 TSM receiver |
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Servo: | 2075R Metal Gear |
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Top Speed (stock gearing): | 4s LiPo – 30+ mph, 6s LiPo – 50+ mph |
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Skill Level: | 5 |
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Battery Compartment: | 181mm x 46mm x 56mm |
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TRAXXAS DESSERT ULTIMATE RACER
85086-4 - Unlimited Desert Racer: 4WD Electric Race Truck. Ready-to-Race
85086-4 - Unlimited Desert Racer: 4WD Electric Race Truck. Ready-to-Race
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