Traxxas TRX82216-4 - TRX-4 Unsassembled Kit
TRX-4 Technology and Innovation-Now Available as a Kit!TRX-4® set the standard for off-road versatility with its radical design and rugged durability. The TRX-4 chassis kit combines the same innovative features as the RTR vehicle 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.
Features:
- Unassembled TRX-4 Chassis Kit with Full-Color Assembly Manual
- Waterproof XL-5™ HV ESC with High Torque Titan® 550 Motor
- TQi™ 2.4 GHz 4-Channel Radio System with 4 Servos
- Remote-Locking Front and Rear Differentials with Portal Axles
- Remote-Shifting High/Low 2-Speed Transmission

Easy Assembly Instructions
The TRX-4 Chassis Kit includes a full-color instruction book that’s 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.

Ready to Assemble
The TRX-4 Chassis Kit arrives ready to assemble with a full-color instruction guide, TQi™ 4-channel 2.4 GHz radio system, and complete waterproof electronics including servos, XL-5™ HV ESC, and Titan® 21T motor. Key parts like shocks and suspension links come pre-assembled to make building easy and fun.

Clipless Body Mounting
Clipless body mounting makes it easy to customize your TRX-4 kit with any accessory Traxxas 312 mm wheelbase body (sold separately). The hidden latching system provides clean, flowing lines for maximum scale realism. On the trail the clipless body holds tight when you need it, but releases in just seconds to access the chassis.
Specs:
- Length: 523 mm
- Width: 249 mm
- Ground Clearance: 80 mm
- Weight: 2.91 kg
- Height: 266 mm
- Wheelbase: 312 mm
- Shock Length (front): 3.54 inches (90 mm)
- Shock Length (rear): 3.54 inches (90 mm)
- Approach Angle: 63.82°
- Departure Angle: 43.22°
- Breakover Angle: 59°
- Front Wheels: 1.9 x 1.02 inches (49 x 26 mm)
- Rear Wheels: 1.9 x 1.02 inches (49 x 26 mm)
- Front Tires: 4.64 x 1.89 inches (118 x 48 mm)
- Rear Tires: 4.64 x 1.89 inches (118 x 48 mm)
- Wheel Hex: 12 mm
- Speed Control: XL-5™ HV ESC
- Motor (electric): Titan® 21T reverse rotation
- Differential Type: 4 gear, remote locking
- Transmission: 2-speed High/Low, remote shifting
- Gear Pitch: 32
- Chassis Structure/Material: Steel ladder frame with Nylon composite cross members
- Brake Type: Electronic “Hill Hold”
- Drive System: Shaft-driven 4WD
- Steering: Chassis mounted 2075X metal gear servo
- Radio System: TQi™ 2.4 GHz 4-channel transmitter with 6533 receiver
- Svårighetsnivå: 2
- Battery Tray (L/W/H): 159 x 47 x 23/26mm
What’s In The Box:
- T-Lock Front And Rear Differentials
- Two-Speed Transmission
- XL-5 HV Power System
- TQi Radio System with Servos
- Full Color, Detailed Assembly Instructions
What You’ll Need:
- Tools
- Clipless body (312mm wheelbase)
- Batteries: TRX-4 accepts a wide variety of NiMH and LiPo batteries.
- Charger: Traxxas EZ-Peak® charger is recommended for easy and fast charging performance (model 2971).
- AA Alkaline Batteries: Four AA alkaline batteries for the transmitter.
