Purpose Built
The TRX-4 Sport combines the unbeatable ground clearance and driving dynamics of Traxxas portal axles, sticky Canyon® Trail tires, and a lightweight pickup truck body for a leaner, performance-focused new TRX-4. The Sport’s unique bumpers, wheels, and body were designed for increased climbing versatility. Whether it’s a fun trail run or a hardcore technical crawl, the TRX-4 Sport’s capability and performance-built approach takes your outdoor adventure to a new level.
- Tough, Lightweight Pickup Truck Body
- Low profile bumpers for increased clearance
- Red differential covers and D-rings
- Trail-Tuned XL-5 HV Waterproof Electronic Speed Control
- Fully waterproof design
- Five drive profiles
- Sport Mode — forward / brake / reverse
- Race Mode — forward / brake / no reverse
- Training Mode™ — 50% forward / 100% brake / 50% reverse (patented)
- Trail Mode — forward / brake / reverse / with trail-tuned drag brake in neutral
- Crawl Mode — forward / instant reverse - no neutral with 100% hill holding brake
- Traxxas EZ-Set® one-button setup
- Large, efficient heat sink
- Wide voltage latitude 6–7 cell NiMH (7.2–8.4V) and 2–3s LiPo (7.4–11.1V)
- Two stage low voltage protection (LVD)
- Motor
- Powerful Titan™ 21T reverse rotation motor with internal cooling fan
- Precise preset gear mesh adjustments
- Motor retention separate from gear mesh
- Portal Axles
- Increase ground clearance
- Eliminate torque twist
- Steel gears
- Improve axle geometry and reduce strain on driveshafts
- Rigid Steel Frame
- 1.5mm thick steel frame rails increase torsional rigidity
- Innovative design allows four wheelbase positions (300mm, 312mm, 324mm, 336mm)
- Adjustable rear shock tower positions for SWB and LWB configurations
- Bumpers adjust fore and aft
- Rugged rock rails adjust for width
- Wire routing clips integrated into frame rails
- Drivetrain
- Full-time shaft driven 4-wheel drive
- Tough 6mm stub axles
- Steel front CV driveshafts
- Hardened steel rear axle shafts
- Spool-locked front and rear differentials
- Steel gear transfer case
- Innovative Battery Compartment
- Hinged battery strap allows quick and easy battery access
- No pins to lose
- Accommodates different height batteries
- Accepts full-size long battery packs
- Integrated compartment accepts smaller 1/16 scale batteries (with optional strap)
- Transmission
- Single-speed with steel gears
- Dual horizontal shafts
- Twin friction plate slipper clutch
- Easily removed for servicing
- Steering
- Chassis mounted 2075X metal gear digital servo
- Superior 45° steering angle
- Direct steering (no servo saver)
- Steering geometry corrected for bump steer
- Suspension
- Front — 3 link with panhard
- Rear — triangulated 4 link
- Heavy-duty rod ends with steel hollow balls
- 5mm diameter steel link rods with 4mm threaded ends
- Aluminum GTS Shocks
- Oil-filled 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
- Wheels and Tires
- Rugged black 5-spoke wheels
- Pre-mounted 1.9” Canyon Trail tires with trail-tuned foam inserts
- Trail tuned S1 rubber compound
- 12mm steel hex
- TQ™ 2.4GHz 2-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