Build your ultimate trail rig from the ground up with the Traxxas TRX-4® 1/10 Scale Crawler Chassis Kit. Designed for serious RC enthusiasts, this complete kit includes the fully assembled TRX-4 chassis with portal axles, locking differentials, and high/low range transmission, giving you a proven, high-performance foundation for your custom crawler or scale build.
The TRX-4 chassis kit features steel frame rails, oil-filled GTS shocks, and heavy-duty suspension links, delivering superior articulation and durability over rugged terrain. It also includes a VXL-ready electronics tray, XL-5 HV waterproof ESC, and Titan® 21T motor—making it trail-capable right out of the box. All that’s left is to add your own body, wheels, and tires to make it uniquely yours.
Key Features:
Fully assembled 1/10 scale TRX-4 crawler chassis
Portal axles for increased ground clearance and torque twist reduction
Remote locking front and rear differentials
High/low-range transmission for realistic crawling performance
Waterproof XL-5 HV ESC and Titan® 21T 550 motor included
GTS aluminum shocks, steel frame rails, and heavy-duty links
Ideal for custom builds—just add your own body, wheels, and tires