Traxxas TRX-4 RC 1/10 4WD Crawler Chassis Kit Clipless 82216-4

The Traxxas TRX-4 Crawler Kit 82216-4 is a 1/10 scale 4WD RC crawler chassis kit for hobbyists who want to build their own trail truck. Featuring portal axles, remotely locking T-Lock front and rear differentials, a two-speed transmission and included XL-5 HV brushed electronics with a TQi radio system, the kit combines hands-on assembly with the trail capability of the TRX-4 platform.

Features

• Build-It-Yourself Crawler Kit: Assemble the TRX-4 chassis and drivetrain using the supplied illustrated instructions
• Portal Axles: Increase ground clearance beneath the axle housings for navigating rocks and uneven terrain
• Remote T-Lock Differentials: Lock or unlock the front and rear differentials from the transmitter to suit traction conditions
• Two-Speed Transmission: Remote high and low range shifting for trail driving and technical crawling
• XL-5 HV Power System: Included waterproof electronic speed controller and brushed motor system
• TQi Four-Channel Radio: Included 2.4GHz radio equipment supports steering, throttle, shifting and differential locking
• Metal-Gear Steering: Chassis-mounted Traxxas 2075X steering servo
• Steel Ladder Frame: Durable chassis construction with nylon-composite crossmembers
• Shaft-Driven 4WD: Four-wheel-drive drivetrain designed for off-road traction
• 90mm Shocks: Suspension designed for crawler articulation and controlled movement
• Clipless-Compatible Platform: Designed around the TRX-4 clipless crawler chassis configuration
• Detailed Assembly Manual: Full-colour illustrated instructions guide the building process

Specifications

• Brand: Traxxas
• Model: TRX-4 Crawler Kit Clipless
• Product Type: RC Crawler Chassis Kit
• Scale: 1/10
• Vehicle Type: Rock Crawler / Trail Truck
• Assembly: Kit / Requires Assembly
• Drivetrain: Shaft-Driven 4WD
• Chassis: Steel Ladder Frame with Nylon-Composite Crossmembers
• Axles: Portal Axles
• Transmission: Remote-Shifting Two-Speed High / Low
• Differentials: Four-Gear Front and Rear with Remote T-Lock Locking
• Motor System: Included Brushed Power System
• Electronic Speed Control: Traxxas XL-5 HV
• Radio System: Traxxas TQi 2.4GHz Four-Channel
• Receiver: Traxxas 6533
• Steering Servo: Traxxas 2075X Metal Gear
• Shock Length: 90mm
• Wheel Size: 49 x 26mm
• Tyre Size: 118 x 48mm
• Wheelbase: 312mm
• Front Track: 249mm
• Rear Track: 249mm
• Ground Clearance: 80mm
• Gear Pitch: 32 Pitch
• Battery Compartment: 159 x 47 x 23/26mm
• Length: 523mm
• Width: 249mm
• Height: 266mm
• Weight: Approx. 2.91kg
• Skill Level: 2
• Product Code: 82216-4
• Barcode: 020334032676

Includes

• 1 x Traxxas TRX-4 1/10 Crawler Chassis Kit with Assembly Components
• 1 x Two-Speed Transmission Assembly Components
• 1 x Front and Rear T-Lock Differential System
• 1 x XL-5 HV Electronic Speed Control
• 1 x Brushed Motor Power System
• 1 x TQi 2.4GHz Four-Channel Radio System with Receiver
• 1 x Steering Servo and Required Shifting / Differential Servos
• 1 x Full-Colour Illustrated Assembly Manual

Required To Complete

• Compatible TRX-4 Body and Mounting Components
• Compatible Wheels and Tyres
• Compatible NiMH or LiPo Drive Battery
• Compatible Battery Charger
• 4 x AA Alkaline Batteries for the Transmitter
• Assembly Tools and Suitable RC Lubricants as Required by the Instructions

FAQ

Is the Traxxas TRX-4 Crawler Kit ready to run? No. Model 82216-4 is a build-it-yourself crawler chassis kit. It includes major drivetrain and electronic components but requires assembly and additional items such as a compatible body, wheels, tyres, drive battery and charger.

Does the TRX-4 Crawler Kit include electronics? Yes. The kit includes the XL-5 HV brushed power system, TQi four-channel radio system and servos required for steering, transmission shifting and differential locking.

Does this kit include a body? A finished truck body is not listed among the supplied components. Choose a compatible TRX-4 body and the correct mounting hardware for the intended clipless configuration.

Are the TRX-4 differentials lockable? Yes. The kit includes T-Lock front and rear differentials that can be remotely locked or unlocked using the radio system.

Does the kit have a two-speed gearbox? Yes. The included two-speed transmission provides selectable high and low ranges through remote shifting.

What is the difference between this kit and the TRX-4 Sport? The TRX-4 Crawler Kit includes remotely locking differentials and a two-speed transmission. The TRX-4 Sport uses permanently locked front and rear axle spools and a single-speed transmission.

What batteries does the TRX-4 Crawler Kit support? The included XL-5 HV system supports compatible NiMH and LiPo batteries. Select a battery that meets the manufacturer's voltage, connector and battery compartment requirements.

Is this kit suitable for beginners? Traxxas rates the kit at Skill Level 2. It is suitable for hobbyists who want to learn RC vehicle assembly and are comfortable following detailed instructions and setting up radio-controlled electronics.

Important Notes

• This is an assembly kit, not a factory-assembled RTR vehicle
• A finished body, wheels, tyres, drive battery, charger and transmitter AA batteries are required separately
• Check compatibility of clipless body mounts and chosen TRX-4 body before purchase
• Follow the assembly manual for drivetrain setup, lubrication, servo adjustment and radio configuration
• Confirm battery dimensions and connector compatibility before purchasing a drive battery