Experience the legendary TRX-4 platform in a hands-on, build-it-yourself kit format. With the same rugged capabilities as the RTR version, this assembly kit gives you the satisfaction of building your crawler from the ground up—while still including premium waterproof electronics, portal axles, a 2-speed transmission, and remote-locking differentials.
With high-quality materials, smart engineering, and an incredibly organized build process, the TRX-4 kit delivers both the hobby experience and trail performance enthusiasts crave.
🧰 Build. Learn. Drive.
The TRX-4 kit arrives with parts organized in labeled bags and a full-color instruction manual. Major components such as shocks and suspension links come pre-assembled, letting you focus on key drivetrain and assembly steps.
Perfect for hobbyists who want:
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A custom build experience
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Advanced performance out of the box
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High-quality, waterproof electronics included
🛞 Rugged 4WD Drivetrain
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Steel gears throughout for extreme durability
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Remote-locking front & rear differentials (T-Lock)
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Steel-geared transfer case
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Portal axles for increased ground clearance
Portal axles eliminate torque twist, improve stability, and optimize driveshaft angles—making steep climbs and rocky terrain easier than ever.
⚙️ 2-Speed Transmission
Switch between low-range crawling torque and high-speed trail running from your radio.
Featuring:
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Dual-shaft gear design
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Twin-friction slipper clutch
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Easy-service removable system
Engineered for reliability and versatility in extreme terrain.
🛠 Suspension & Shocks
Factory-built GTS aluminum coilover shocks deliver smooth damping and long-term durability.
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Threaded aluminum bodies
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Adjustable preload collars
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Dual X-ring shaft seals
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3-link front suspension with panhard bar
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4-link rear for maximum articulation
🚀 Features
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Remote-shift 2-speed transmission
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Remote-locking front & rear diffs
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TQi™ 2.4GHz 4-channel radio system
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XL-5™ HV ESC + Titan® 550 brushed motor
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Waterproof electronics
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Clipless body mount system
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Portal axles for improved ground clearance
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O-ring sealed receiver box
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Hinged battery strap for quick access
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Full-color assembly manual
📦 Includes
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TRX-4® 1/10 scale rolling chassis (kit form)
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TQi™ 2.4GHz radio system
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21T Titan® 550 brushed motor
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XL-5 HV ESC w/ Traxxas iD plug
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2075X metal-gear servo
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(4) 2065 micro shift servos
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Canyon Trail 1.9" tires & inserts
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Tough scale wheels
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Product manual
🔋 Needed To Complete
(Not included)
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12.3" crawler body
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6–7 cell NiMH or 2–3S LiPo battery w/ Traxxas iD plug
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Compatible charger
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(4) AA batteries
📏 Specifications
Scale: 1/10
Drive: 4WD
Power: 2S–3S LiPo
Length: 20.94" (532mm)
Wheelbase: 12.28" (312mm)
Width: 9.8" (249mm)
Height: 10.47" (266mm)
Weight: 102.65oz (2910g)
⚙️ Electronics
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Motor: Brushed
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ESC: Brushed
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Connector: Traxxas iD
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Servo: 2075X metal gear
🛞 Wheels & Tires
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Wheels: 1.9" | 12mm hex
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Tires: Canyon Trail
🧪 Assembly Level: Kit
This is an unassembled model requiring assembly and installation of your own body, battery, and charger.
Photos of completed models are for reference only.
🏁 Why Choose the TRX-4 Kit?
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Build it yourself, your way
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Class-leading durability and capability
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Fully waterproof electronics
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Endless customization potential
Whether you're new to kits or an experienced builder, the Traxxas TRX-4 Kit offers a deeply rewarding build experience backed by serious trail performance.
