TRX-4 Technology and Innovation-Now Available as a Kit!

The Traxxas TRX-4 Scale and Trail Crawler set the standard for off-road versatility with its radical design and rugged durability. The new 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.

Easy to Follow Assembly Instructions

The TRX-4 Chassis Kit isn’t just for expert hobbyists. Traxxas goes the extra mile to make the full-color instruction book 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. Helpful assembly tips and clear illustrations take the frustration out of the assembly process. Have fun on the workbench and on the trail with the new TRX-4 Chassis Kit.

WHAT'S INCLUDED IN THE KIT

• Unassembled TRX-4 Chassis Kit
• TQi™ 2.4GHz 4-channel radio system with 4 servos
• XL-5 HV waterproof ESC
• Titan^® 21T 550 motor
• Full-color step-by-step assembly manual

WHAT YOU'LL NEED

• TRX-4 compatible body
• 4 AA alkaline batteries
• Battery with Traxxas High-Current Connector
  • 6 or 7 cell NiMH battery pack
  • 2s or 3s LiPo battery pack
• Battery charger
• Metric hex drivers
  • 1.5mm, 2.0mm, 2.5mm
• Basic hand tools
  • screwdrivers, needle nose pliers
• Traxxas Ultra-Premium Tire Glue (part #6468) or CA glue
• Safety glasses

Ready to Assemble

The TRX-4 Chassis Kit arrives ready to assemble with a full-color instruction guide, TQi 4-channel 2.4GHz 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. Choose your own body, battery, and charger (sold separately) to complete your custom ride. A staff of skilled representatives is on hand to answer your questions via phone, website, or e-mail. Unmatched parts support keeps your Traxxas vehicle running strong with parts and support from thousands of hobby dealers worldwide. Traxxas goes the extra mile to ensure that your RC experience is easy and fun.

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.

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.

SPECS

Length: 20.57 inches (523mm)
Front Track: 9.78 inches (249mm)
Rear Track: 9.78 inches (249mm)
Ground Clearance: 3.14 inches (80mm)
Weight: 6.42lb (2.91kg)
Height: 10.47 inches (266mm)
Wheelbase: 12.28 inches (312mm)
Front Shock Length: 3.54 inches (90mm)
Rear Shock Length: 3.54 inches (90mm)
Approach Angle: 63.82°
Departure Angle: 43.22°
Breakover Angle: 58.93°
Front Wheels: 1.9 x 1.02 inches (49 x 26mm)
Rear Wheels: 1.9 x 1.02 inches (49 x 26mm)
Front Tires: 4.64 x 1.89 inches (118 x 48mm)
Rear Tires: 4.64 x 1.89 inches (118 x 48mm)
Wheel Hex: 12mm
Speed Control: XL-5™ HV
Motor (electric): Titan® 21T Reverse Rotation
Differential Type: 4 Gear, Remote Locking
Transmission: 2-speed Hi-Lo, Remote Shifting
Gear Pitch: 32

Chassis
Structure/Material: Steel Ladder Frame with Nylon Composite Crossmembers
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
Skill Level: 2
Battery Tray: 158.75 L x 47 W x 23/26mm H