Traxxas TRX-4 Assembly Kit: 4WD Chassis with TQi Traxxas Link Enabled 2.4GHz Radio System

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  • Regular price $369.95


The Traxxas TRX-4 Scale and Trail Crawler chassis kit offers the same innovative features as the RTR vehicle, combined with the fun and excitement of building your own kit. Build your own portal axles, high/low range transmission, and remotely locking differentials. All the parts are organized neatly in labeled bags with waterproof electronics and pre-assembled shocks and suspension links. A fully illustrated color manual makes the kit as much fun to construct as it is to take off-road. 

Easy to Follow Assembly Instructions 
The TRX-4 Chassis Kit isn’t just for expert hobbyists. Traxxas goes the extra mile to make the full-color instruction book easy to follow and fun to use. Each section corresponds to a labeled bag with step-by-step assembly instructions. True-to-scale part illustrations and ruler charts make it easy to differentiate between different screws, bearings, and gears. Helpful assembly tips and clear illustrations take the frustration out of the assembly process. Have fun on the workbench and on the trail with the new TRX-4 Chassis Kit. 

Features: 

  • Easy to follow full-color assembly manual
  • Trail-tuned XL-5 HV Waterproof Electronic Speed Control
  • Powerful Titan™ 21T reverse rotation motor
  • Portal Axles
  • Rigid Steel Frame
  • Full-time shaft driven 4-wheel drive
  • Tough 6mm stub axles
  • Steel front CV driveshafts
  • Hardened steel rear axle shafts
  • Remote locking steel gear differentials with cable-actuation
  • Steel gear transfer case
  • Innovative Battery Compartments
  • Secondary battery mount over front axle for forward weight bias
  • Two speed high/low range transmission with remote shifting
  • Superior 45° steering angle
  • Front — 3 link with panhard
  • Rear — Triangulated 4 link
  • Pre-assembled heavy-duty rod ends with steel hollow balls
  • 5mm diameter steel link rods with 4mm threaded ends
  • Coilover GTS shocks exclusive to TRX-4 chassis
  • Silver-anodized aluminum bodies
  • Threaded bodies with collars easily adjust ride height
  • Silky smooth damping for the toughest trails
  • O-ring cap seal and dual X-ring shaft seals
  • Shock oil included in kit
  • 1.9” Canyon Trail tires with trail-tuned foam inserts
  • Tough black scale wheels
  • Trail tuned S1 rubber compound
  • 12mm steel hex
  • Tire glue required
  • TQi™ 2.4GHz 4-channel transmitter
  • Patented O-Ring sealed watertight receiver box keeps the micro receiver dry
  • Sealed Ball Bearings
  • Hex hardware with rust-resistant black oxide coating 

Specifications: 
Length: 20.57 inches (523mm) 
Front Track: 9.78 inches (249mm) 
Rear Track: 9.78 inches (249mm) 
Ground Clearance: 3.14 inches (80mm) 
Weight: 6.42lb (2.91kg) 
Height: 10.47 inches (266mm) 
Wheelbase: 12.28 inches (312mm) 
Front Shock Length: 3.54 inches (90mm) 
Rear Shock Length: 3.54 inches (90mm) 
Approach Angle: 63.82° 
Departure Angle: 43.22° 
Breakover Angle: 58.93° 
Front Wheels: 1.9 x 1.02 inches (49 x 26mm) 
Rear Wheels: 1.9 x 1.02 inches (49 x 26mm) 
Front Tires: 4.64 x 1.89 inches (118 x 48mm) 
Rear Tires: 4.64 x 1.89 inches (118 x 48mm) 
Wheel Hex: 12mm 
Speed Control: XL-5™ HV 
Motor (electric): Titan® 21T Reverse Rotation 
Transmission: 2-speed Hi-Lo, Remote Shifting 
Gear Pitch: 32 
Brake Type: Electronic “Hill Hold” 
Skill Level: 2 
Battery Tray: 158.75 L x 47 W x 23/26mm H 

Includes: 

  • Unassembled TRX-4 Chassis Kit
  • TQi™ 2.4GHz 4-channel radio system with 4 servos
  • XL-5 HV waterproof ESC
  • Titan® 21T 550 motor
  • Full-color step-by-step assembly manual
Needed to Complete: 
  • TRX-4 compatible body (313mm wheelbase) 
  • (4) AA batteries for transmitter
  • 6 or 7 cell NiMH or 2s or 3s LiPo battery pack with Traxxas High-Current Connector
  • Battery charger
  • Metric hex drivers (1.5mm, 2.0mm, 2.5mm)
  • Basic hand tools (screwdrivers, needle nose pliers)
  • CA glue
  • Safety glasses

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