• Easy to follow full-color assembly manual
• True-to-scale part illustrations and ruler charts
• Helpful assembly tips and clear illustrations
• 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)
• Powerful Titan™ 21T reverse rotation motor
• Internal cooling fan
• Precise, preset gear mesh adjustments
• Motor retention separate from gear mesh
• Portal Axles
• Increase ground clearance (3.14″)
• Eliminate torque twist
• Steel gears
• Improve axle geometry and reduce strain on driveshafts
• Rigid Steel Frame
• 1.5 mm thick steel frame rails increase torsional rigidity
• Innovative design allows four wheelbase positions (300 mm, 312 mm, 324 mm, 336 mm)
• Adjustable rear shock tower positions
• 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 6 mm 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
• 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)
• Secondary battery mount over front axle for forward weight bias
• Two speed high/low range transmission with remote shifting
• 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
• Pre-assembled heavy-duty rod ends with steel hollow balls
• 5 mm diameter steel link rods with 4 mm threaded ends
• Pre-assembled aluminum GTS Shocks
• 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
• Wheels and Tires
• 1.9″ Canyon Trail tires with trail-tuned foam inserts
• Tough black scale wheels
• Trail tuned S1 rubber compound
• 12 mm steel hex
• Tire glue required
• TQi™ 2.4GHz 4-channel transmitter
• Traxxas Link enabled
• Telemetry ready 6533 5-channel micro receiver with failsafe
• Automatically stores and loads settings for up to 30 Traxxas Link enabled models
• Exclusive Cruise Control feature for extended trail driving
• Adjustable steering and throttle sensitivity (exponential)
• Adjustable steering and throttle endpoints
• High 13ms frame rate and near-zero latency for responsive control
• Patented O-Ring sealed watertight receiver box keeps the micro receiver dry
• Sealed Ball Bearings
• Hex hardware with rust-resistant black oxide coating

MODEL 82016-4: Unassembled TRX-4 Chassis Kit, TQi™ 2.4GHz 4-Channel Radio System, XL-5 HV Electronic Speed Control, and Titan^® 21T 550 motor. Requires: Body, Battery, and Charger