TRX-4 Kit Clipless (w/o Batteries & Body)

Traxxas TRX-4 Unassembled Kit Clipless Crawler

Build your own ultimate crawler with portal axles, locking differentials and a 2-speed transmission

The Traxxas TRX-4 Unassembled Kit gives you the complete build experience behind one of the most advanced scale crawlers on the market. You get to assemble the chassis, driveline and electronics yourself and see how a professional crawler is built from the ground up.

🔧 Spare parts, batteries, chargers & upgrades

Explore the interactive spare parts maps for Traxxas Crawler Kit — easily find parts, tyres, accessories, batteries and much more for your exact model.

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The kit contains all the necessary mechanical parts, electronics and a detailed colour manual. Once the build is finished, you have a fully functional TRX-4 platform ready for the clipless body of your choice.

Specifications

• Manufacturer: Traxxas
• Model: TRX-4 Unassembled Kit Clipless
• Product type: Kit / Scale Crawler
• Scale: 1:10
• Drive system: 4WD with shaft drive
• Skill level: 2 (intermediate)

Dimensions and weight

• Length: 523 mm
• Width: 249 mm
• Height: 266 mm
• Ground clearance: 80 mm
• Wheelbase: 312 mm
• Weight: 2.91 kg

Advanced crawler technology

• Portal axles: Increase ground clearance and reduce torque twist
• T-Lock differentials: Remote-locking front and rear differentials
• 2-speed transmission: Remote shifting between high and low gear
• Electronic Hill Hold brake

Driveline and chassis

• Steel frame with nylon cross braces
• Shaft-driven 4WD
• 4-gear remote-locking differentials
• Gear pitch: 32
• Motor: Titan® 21T reverse rotation
• Transmission: 2-speed High/Low

Electronics

• ESC: XL-5™ HV waterproof
• Servo: 2075X metal gear, chassis-mounted
• Radio: TQi™ 2.4GHz 4-channel
• Receiver: 6533
• Waterproof electronics for off-road driving

Off-road capability

• Approach angle: 63.82°
• Departure angle: 43.22°
• Breakover angle: 59°
• Wheels: 1.9 x 1.02" (49 x 26 mm)
• Tyres: 118 x 48 mm
• Wheel hub: 12 mm

Build experience

• Complete kit with all components
• Numbered parts bags
• Detailed illustrated colour manual
• Precise screw and part instructions
• Suitable for both new and experienced RC builders

Clipless body

• Compatible with Traxxas clipless bodies
• Fits a 312 mm wheelbase
• Body sold separately

Battery and charging

• Battery compatibility: NiMH and LiPo
• Battery compartment: 159 x 47 x 23/26 mm
• Recommended charger: Traxxas EZ-Peak (#2971)

Included

• T-Lock front and rear differentials
• 2-speed remote-shifted transmission
• XL-5 HV speed controller (ESC)
• Titan 21T motor
• TQi 4-channel radio system
• Servos
• Detailed assembly instructions

Required for use

• RC hobby tools
• Clipless body with 312 mm wheelbase
• Battery
• Charger
• 4 x AA batteries for the transmitter

Ideal for

• Scale crawling
• Trail driving
• RC builders
• Off-road enthusiasts
• Hobbyists who want a personal crawler build

We ship with GLS:

From our warehouse in Denmark.
Shipping is calculated at checkout.
Business customers are welcome.