Traxxas XRT Ultimate 1:6 8S 4WD Electric Race Truck, GreenX (+ TQi 2-ch Link, VXL-8s, Velineon 1200XL, TSM) TRX78097-4-GRNX

Overview

The Traxxas XRT Ultimate 1:6 8S 4WD Electric Race Truck in Green X is the pinnacle of high-performance RC racing, representing a quantum leap forward in the world of ready to run RC trucks available in the UK. This is not simply an off-the-shelf RC car—it's a competition-grade machine that combines X-Maxx legendary strength with precision race truck handling in a Ready-To-Race package. Whether you're a seasoned RC competitor looking for your next competitive edge or an enthusiast seeking the ultimate high-speed 8S RC experience, the XRT Ultimate delivers absolutely brutal performance paired with handling precision that few trucks can match. The Green X colour variant showcases this mechanical beast in striking style, making it as visually impressive as it is performant on track or trail.

What sets the XRT Ultimate apart in the crowded marketplace of brushless RC trucks is its comprehensive philosophy of durability and performance. Traxxas has taken the proven XRT platform and elevated it with substantial aluminium upgrades across every key performance area. The result is a truck that doesn't just deliver raw 8S power—it harnesses that power with rock-solid stability and precision control. Combined with innovative belted Gravix tyres that eliminate the ballooning issues common in traditional off-road RC tyres, the XRT Ultimate creates a comprehensive package that genuinely revolutionises what's possible at this scale and power level. This is backed by a factory-installed Traxxas Link wireless module for real-time telemetry, allowing you to monitor and optimise performance directly from your mobile device.

Built as a Ready-To-Race model from Traxxas, one of the world's most trusted and recognised RC manufacturers, the XRT Ultimate arrives pre-assembled with everything needed to experience immediate high-performance driving once you've sourced batteries and a charger. The truck represents the cutting edge of 1:6 scale RC technology, engineered for those who refuse to compromise on quality, performance or the sheer driving experience that only dual 4S LiPo batteries delivering genuine 8S power can provide.

Key Features

• High-Performance Aluminium Upgrades — The XRT Ultimate receives substantial aluminium upgrades throughout its construction, including the suspension, chassis, drivetrain and steering components. These upgrades create significantly greater high-speed stability, precision handling and durability compared to standard plastic construction, ensuring the truck remains reliable even under extreme racing conditions and repeated high-impact landings.
• Velineon 1200XL Brushless Motor with Heat Sink — This advanced brushless motor features dual fan shrouds and integrated heat management, delivering consistent high-RPM performance without the maintenance requirements of brushed motors. The motor's efficiency and power delivery are optimised specifically for 8S LiPo performance, making it perfect for achieving the truck's 60+ mph top speed potential.
• VXL-8s Waterproof Electronic Speed Control — Purpose-built for dual 4S LiPo battery systems totalling 8S nominal voltage, this ESC is completely waterproof and includes integrated telemetry capabilities that communicate directly with the Traxxas Link wireless module. This allows real-time monitoring of critical performance data including speed, RPM and battery voltage from your smartphone.
• Traxxas Stability Management (TSM) — This sophisticated electronic traction control system automatically optimises throttle and brake application to maintain control during cornering and acceleration, making the truck significantly more predictable and easier to control at high speeds. TSM is particularly valuable when transitioning between different terrain or driving in wet conditions, helping both experienced drivers and those developing their skills.
• TQi 2.4 GHz 2-Channel Radio System with Factory-Installed Wireless Module — The industry-leading TQi radio system provides reliable 2.4 GHz frequency-hopping technology that eliminates frequency conflicts, even when multiple RC cars are operating in the same area. The factory-installed wireless module enables the Traxxas Link app integration for transmitter adjustments and telemetry viewing on your mobile device without additional hardware purchases.
• Belted Gravix Tyres with Directional Tread — These innovative 7.4-inch (188mm) diameter tyres feature lightweight belting in the carcass that eliminates ballooning at high speeds, ensuring rock-solid stability when pushing the truck to its limits. The directional tread pattern delivers exceptional traction while running noticeably quieter than traditional off-road RC tyres, reducing noise pollution whilst improving overall track manners and confidence at speed.
• X-Maxx-Spec 8S Drivetrain — The XRT Ultimate inherits the legendary toughness of the X-Maxx platform with Module 1.0 steel pinion and spur gears paired with a torque-biasing centre drive. This drivetrain architecture distributes power intelligently between the front and rear axles, improving acceleration traction and high-speed stability whilst maintaining the durability Traxxas is renowned for.
• Maxx-Spec Sealed Differentials — All three differentials (centre, front and rear) utilise sealed, hardened steel bevel gears with limited slip characteristics. This sealed design prevents dirt and moisture ingress that would otherwise degrade differential performance, whilst the limited slip function optimises traction distribution during cornering and acceleration.
• GTX Aluminium Race Shocks — Purpose-designed for high-speed racing, these aluminium shock bodies are paired with precision-tuned shock cartridges that manage the XRT Ultimate's significant power delivery. The shock design works seamlessly with the WideMaxx suspension geometry to maintain consistent ride height and damping characteristics across varied terrain and driving intensities.
• WideMaxx Suspension Geometry — This advanced suspension design provides exceptional stability through corners, improved bump compliance and optimised weight distribution. The wide track geometry combined with precisely tuned anti-roll bar characteristics helps the truck maintain composure when pushed to its limits, making it predictable and controllable even in the hands of competitive drivers.
• Low-CG Chassis Design — The XRT Ultimate's chassis is engineered with a deliberately low centre of gravity, achieved through intelligent battery placement and component layout. This design philosophy significantly reduces roll during cornering and improves overall stability at high speeds, directly translating to faster lap times and more confidence behind the wheel.
• Aluminium Steering Bellcranks with 450 oz-in Servo — The steering system uses 6061-T6 aluminium bellcranks paired with a powerful metal-gear steering servo rated at 450 oz-in torque. This combination delivers precise, responsive steering input with exceptional durability, ensuring the front end responds instantly to control inputs without any slop or delay that would compromise lap times.
• ProGraphix Clipless Body — The modern body design features Traxxas's clipless attachment system, allowing quick body removal for maintenance or customisation without fumbling with multiple body clips. The ProGraphix finish provides excellent durability and a premium appearance straight from the box.
• Rock-Solid Motor Mounting System — The motor is mounted in a specifically engineered bracket that eliminates vibration and ensures perfect gear mesh consistency. This rock-solid mounting system maintains ideal motor-to-ESC alignment even under the extreme forces generated by 8S power delivery and high-speed operation.

Technical Performance

The XRT Ultimate represents the absolute pinnacle of 1:6 scale RC truck engineering, delivering exceptional performance across every measurable dimension. Powered by the Velineon 1200XL brushless motor paired with the VXL-8s electronic speed control, this ready to run RC truck achieves top speeds exceeding 60 mph when equipped with dual 4S LiPo batteries and optional overdrive gearing. The truck's overall drive ratio of 20.6:1 (achieved through a 20-tooth motor pinion and 50-tooth spur gear combination) provides an excellent balance between acceleration authority and top-end speed. Built to premium specifications throughout, the XRT Ultimate weighs 21.55 pounds (9.79 kg) with the body alone, or 24.39 pounds (11.09 kg) fully loaded with dual 4S 6700 mAh LiPo batteries—substantial weight that translates to impressive momentum and high-speed stability. The 1:6 scale places it significantly larger than typical 1:10 RC trucks, delivering proportionally greater power and more immersive driving experience. Construction utilises a composite nylon tub chassis with strategic aluminium upgrades in suspension, drivetrain and steering components, creating a materials specification that optimises both durability and weight distribution. The truck's dimensions of 31.41 inches (798mm) length with wing, 10.15 inches (258mm) ride height and 12.12 inches (308mm) full droop, combined with a wheelbase of 18.9 inches (480mm) and front/rear track of 23.43 inches (595mm) each, create a platform engineered for both track racing precision and trail-bashing durability. Electronic components are fully waterproof, allowing operation in wet conditions without concern, though the primary design focus remains competitive race truck performance on packed surfaces and tracks.

What's in the Box

• XRT Ultimate Ready-To-Race model with Traxxas Big Block brushless motor
• VXL-8s waterproof electronic speed control with integrated telemetry
• TQi 2.4 GHz radio system with factory-installed wireless module
• Quick Start Guide for immediate setup and operation
• High-quality maintenance tools including hex wrenches and screwdrivers

What You Need to Complete

• LiPo Batteries — The XRT Ultimate requires dual 4-Cell LiPo batteries to operate, creating the 8S nominal voltage system for which it is engineered. Traxxas specifically recommends dual 4-Cell 6700 mAh Power Cell LiPo batteries (Traxxas part TRX2890X) or alternatively the Traxxas Dual 4s Completer Pack (part TRX2997T) which bundles two batteries with a dual charger for maximum convenience. These batteries are not included and must be purchased separately.
• LiPo Balance Charger — A dedicated LiPo balance charger with iD compatibility is essential for safe, fast and efficient battery charging. The Traxxas EZ-Peak Live Dual 4s-capable charger (model TRX2973) is officially recommended and provides Bluetooth connectivity for remote monitoring, though any iD-compatible LiPo charger will function with these batteries. This charger is not included and must be acquired separately.
• AA Alkaline Batteries — Four AA alkaline batteries are required to power the TQi 2.4 GHz radio transmitter. These standard batteries are not included in the box and should be sourced from any UK retailer selling batteries.

Frequently Asked Questions

• Is the Traxxas XRT Ultimate suitable for beginners learning RC driving? — The XRT Ultimate is classified as Skill Level 5, making it genuinely unsuitable for complete beginners to the RC hobby. This is an advanced, competition-grade machine delivering extreme power and speed that demands experienced driving skills and understanding of high-performance RC maintenance. Beginners should first develop foundational driving skills with a lower-powered, less complex model before attempting to master an 8S truck of this capability. However, experienced RC drivers will find the XRT Ultimate an exceptional next step once they've progressed through smaller platforms.
• What battery does the Traxxas XRT Ultimate need, and how much does battery power cost? — The XRT Ultimate requires dual 4-Cell (4S) LiPo batteries connected in series to create the 8S nominal voltage that powers the VXL-8s ESC and Velineon 1200XL motor. Traxxas recommends 6700 mAh capacity in each battery, and the truck genuinely requires two batteries running simultaneously to achieve rated performance. Each battery pack is a separate purchase, representing significant ongoing investment in the hobby, and users should budget for additional battery packs to extend running time during sessions. Dual battery operation with the 6700 mAh recommendation provides extended runtime but also increases weight and inertia compared to single-battery systems.
• How fast is the Traxxas XRT Ultimate, and what affects top speed? — The XRT Ultimate is capable of achieving top speeds exceeding 60 mph when equipped with dual 4S LiPo batteries and optional overdrive gearing (which is sold separately from the truck). However, as standard with the included 20.6:1 drive ratio, users will experience slightly reduced speed with marginally improved acceleration response. The quoted 60+ mph figure assumes optimal conditions including flat, hard-packed surfaces and precise driving technique. Real-world speeds will vary based on driving skill, track surface, battery charge state and ambient temperature. Overdriving is an optional upgrade for those specifically chasing maximum velocity.
• What is the difference between the Traxxas XRT Ultimate and the standard XRT, and is the upgrade worth the additional investment? — The XRT Ultimate builds upon the standard XRT platform with a comprehensive suite of aluminium upgrades across suspension, chassis, drivetrain and steering components. These upgrades provide measurably improved high-speed stability, enhanced precision handling and significantly greater durability during intense driving. The standard XRT uses more plastic components in these same areas and lacks the Ultimate's full complement of aluminium enhancements. For competitive drivers planning intensive use and maximum performance, the XRT Ultimate's upgrades justify the additional investment by delivering superior handling precision and proven longevity. Casual drivers might find the standard XRT adequate, but serious racers will appreciate the Ultimate's engineering refinements.
• What type of terrain can the XRT Ultimate handle? — The XRT Ultimate is engineered primarily as a race truck for packed surfaces and dedicated RC tracks rather than as a generalist basher. The Gravix belted tyres are optimised for track performance with excellent high-speed stability and precise turn-in response, excelling on hard-packed dirt, asphalt and concrete surfaces. The truck will operate on looser terrain and grass, but its true strength lies in organised track environments where its precision handling and stability management systems can be fully appreciated. For serious bashing in extreme terrain, more rugged platforms with traditional off-road tyres might be more appropriate, though the XRT Ultimate certainly possesses adequate traction and suspension compliance for recreational trail use.
• Does the XRT Ultimate include a Traxxas Link wireless module, and what does it enable? — Yes, a Traxxas Link wireless module comes factory-installed on every XRT Ultimate, eliminating the need for separate purchase. This wireless module integrates with the free Traxxas Link smartphone app, allowing real-time viewing of telemetry data including vehicle speed, motor RPM and battery voltage directly on your mobile device. Beyond telemetry viewing, the app also permits micro-adjustments to transmitter settings without physically accessing the radio, adding genuine convenience and performance optimisation capability for competitive drivers. This telemetry integration represents a genuine technological advantage that allows data-driven performance analysis.
• Is the XRT Ultimate waterproof, and can it operate in wet conditions? — The VXL-8s electronic speed control and all critical electronic components are completely waterproof, allowing safe operation in wet conditions without concern for immediate electronic failure. However, the truck is optimised as a racing platform rather than as a water-play vehicle, and extended immersion should be avoided. Light rain, wet grass and muddy tracks present no concerns for the waterproof electronics, but the truck is not engineered for deep water crossings or submersion. After wet-weather operation, basic rinsing and drying of exposed components is recommended maintenance practice.
• What maintenance does the XRT Ultimate require, and is it user-serviceable? — The XRT Ultimate is designed as a user-serviceable platform that can be maintained by experienced RC enthusiasts with basic mechanical skills. High-quality maintenance tools are included in the box to facilitate basic service operations. The sealed differentials and waterproof electronics reduce routine maintenance requirements compared to some competitors. Standard maintenance includes post-run cleaning, periodic differential inspection, shock oil changes as part of seasonal service, and gear inspection for wear. The truck responds well to systematic maintenance, and users who adopt regular servicing practices will enjoy extended component lifespan and consistent performance. For those uncomfortable with mechanical work, professional servicing through RC specialists is available as an alternative.

Why Buy from RC Model Shop?

RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the Traxxas XRT Ultimate 1:6 8S 4WD Electric Race Truck, GreenX (+ TQi 2-ch Link, VXL-8s, Velineon 1200XL, TSM) TRX78097-4-GRNX today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.