🏁 The XRAY XB4 2026 Dirt Edition (XB4D) is a 1/10 4x4 competition car designed for low to medium grip dirt tracks. Centered and lowered layout, 7075 T6 chassis, Multi-Flex™ carbon reinforcements, central diff, and aerodynamic optimization provide precise, powerful, and very stable handling.
✨ New features of the XB4D 2026
- Centered and lowered components for a lower center of gravity
- New 2 mm 7075 T6 chassis machined to lower the transmission and weight
- New center bulkheads and motor mount for lower motor
- XB4D-specific carbon center upper deck
- Spur gear Smaller 75T center differential to reduce rotating mass
- Revised side guards for lowered motor and battery
- Front/rear bulkheads with anti-roll bar centering collars
- Carbon T-shaped rear reinforcement and narrower rear reinforcement for more centered masses
- Ultra-lightweight and resistant titanium shock towers
- Lightweight titanium tie rods
- Steering plate and servo saver mounted on bearings
- Lightweight diff and center drive outdrives
- Shorter shock caps for increased travel
- -6 mm spring bushings for increased ground clearance
- Large rear wing for increased stability and traction
- Epsilon 4D body for more overall downforce on dirt
⚙️ Technical specifications
- Buggy 1/10 4x4 electric competition – Dirt Edition (XB4D)
- Designed and manufactured in Europe (Slovakia)
- Swiss 7075 T6 2 mm CNC-machined and black anodized chassis
- Centered layout and lowered CG: battery and motor close to the axle
- Additional machining under the central transmission and mud flaps
- Multi-Flex™ system with front carbon reinforcement (Dirt version) and rear T-brace
- Two transmission positions, including a short position suitable for low grip
- Horizontal bulkheads with differential height adjustment
- Rigid composite side guards, narrow front profile, and chamfered edges
- Mud flaps secured with 3 screws (front, center, rear)
- Velcro® provided to improve sealing and reduce noise
- Central differential with 75T gears
- Front/rear steel pinion differentials, narrow body with large oil volume
- Lightweight outdrives for better acceleration and braking
- Carbon shock towers with titanium mounts
- 13.2 mm big bore shortened shock absorbers with new caps
- Pre-oiled X-rings for smooth, leak-free operation
- -6 mm spring collars for very low body heights if necessary
- Double-reverse steering, servo saver on bearings, adjustable Ackermann and bump steer
- Dirt roll bars: 1.2 mm front and 1.3 mm rear
- Front spoiler for better control in the air
- Wide rear spoiler for more downforce and stability on dirt
- Lightweight Epsilon 4D body for more downforce and a lower CG
🧩 Kit contents
- Chassis kit XRAY XB4D 2026 Dirt Edition to assemble
- 7075 T6 aluminum chassis + composite side guards
- Front and center differential (Spur gear 75T) and rear complete
- 13.2 mm big bore front and rear shock absorbers
- Titanium shock absorber towers and tie rods
- Carbon reinforcements (front Dirt + Rear T-brace)
- Anti-roll bars 1.2 mm (front) and 1.3 mm (rear)
- Front spoiler and wide rear spoiler, Lush Wide type
- Epsilon 4D body, unpainted
- Screws, bearings, inserts, and small parts
- Assembly manual
❗ To be provided
- brushless 1/10 buggy 4x4 motor
- ESC brushless compatible
- 2.4 GHz radio and receiver
- Low-profile steering servo
- 2S LiPo battery shorty or compatible pack
- LiPo charger, assembly and tuning tools
- Tires and inserts suitable for dirt tracks
- Paint and accessories for the bodywork
🎯 Who is it for?
- Drivers who mainly drive on dirt or dust
- Competitors looking for a modern 4x4 base focused on traction
- Modelers who want a XRAY platform that can be finely tuned using Multi-Flex™
- Users who want a high-end, durable, and high-performance dirt kit
