TEAM ASSOCIATED RC10 TRAIL TRUCK PORTAL KIT AS40137

Overview

The Team Associated RC10 Trail Truck Portal Kit (AS40137) is a premium 1:10 scale 4WD electric RC rock crawler designed for serious trail enthusiasts who demand confident, capable off-road performance. This comprehensive kit represents the perfect blend of proven engineering and modern innovation, delivering a vehicle that excels on challenging terrain whilst maintaining the heritage and styling of the legendary 1984 Team Associated RC10. Whether you're an experienced RC hobbyist looking to expand your collection or someone seeking a high-quality ready-to-build trail rig, this electric RC truck offers the precision, durability and adjustability you need for conquering rocks, logs and demanding landscape features across the UK and beyond.

At its core, the RC10 Trail Truck Portal Kit combines the battle-tested Enduro drivetrain with revolutionary high-clearance portal axles and the innovative Stealth X gearbox, creating a vehicle that delivers smooth, controllable power with nearly an inch of additional ground clearance compared to standard straight axles. This is a kit that demands assembly—you'll need to build it from components—but the reward is a fully customised trail truck engineered specifically for confident crawling performance that simply cannot be matched by lesser designs. RC car enthusiasts across the UK choosing this model gain access to officially licensed wheels and tyres from Method and General, ensuring both authentic appearance and genuine trail-conquering capability.

The RC10 Trail Truck Portal Kit isn't just another brushless RC truck; it's a thoughtfully engineered platform that gives you the tools to tune drive ratios, adjust suspension geometry, and adapt the chassis to your specific crawling style. From the BTA steering geometry that provides better approach angles to the integrated servo winch mount designed for balanced weight distribution, every detail has been considered for trail performance.

Key Features

• Stealth X Adjustable Transmission — This revolutionary gearbox allows you to tune the rear drive ratio independently of the front drive across three distinct settings, with the stock configuration overdriving the front by 5.7%, an optional one-to-one drive ratio available separately, and option 2 providing 11.83% front-end overdrive; this flexibility means you can optimise power delivery and traction for different terrain conditions and driving styles without changing the entire transmission.
• High-Clearance Portal Axles — The RC10 features brand-new portal axles that provide nearly an inch more ground clearance than standard straight axles, crucial for clearing obstacles and rocks; these axles utilise all-metal gears, precision ball bearings, and a new larger pocket for a heavier-duty inner input bearing, with six-screw portal boxes for maximum strength under the extreme torque loads that trail crawling demands.
• 3-Piece Telescopic Driveshafts — Power reaches the wheels via 3-piece telescopic driveshafts featuring extruded aluminium centre sections, universal front drive axles, and hardened steel ring and pinion gears, delivering reliable torque transmission through the full range of suspension articulation without binding or binding-related power loss.
• BTA Steering with Aluminium Plates — Behind-the-axle steering geometry provides superior approach angles and exceptional clearance whilst maintaining a clean, professional appearance; bolt-on aluminium steering plates enable fine-tuned adjustments, increased strength, and straightforward future modifications, giving you complete control over steering response and geometry.
• Integrated Servo Winch Mount — The chassis features a dedicated servo winch mount positioned alongside the steering servo for optimal weight distribution and balanced handling; mounting a winch directly to the chassis provides the strongest and most reliable anchor point for any trail recovery situation, essential for rock crawling adventures.
• Threaded Gold-Anodised Aluminium Shocks — Fluid-filled shock bodies with threaded aluminium construction and premium gold anodising deliver stable handling across rough terrain whilst retaining hydraulic fluid even in the most demanding off-road conditions, ensuring consistent damping performance throughout your trail sessions.
• CMS Chassis-Mounted Servo Layout — The servo mounting directly to the chassis reduces unsprung weight and improves steering response, whilst the adjustable mounting geometry allows fine-tuning of steering characteristics to match your preferred driving feel and terrain conditions.
• Adjustable Front Track Bar — The CMS layout includes an adjustable front track bar for precise handling tuning, allowing you to dial in the exact amount of anti-roll characteristics to suit your preferred suspension geometry and crawling technique.
• Heavy-Duty Steel Construction — The chassis incorporates gold-coloured stamped steel frame rails, heavy-duty 5mm diameter steel links, a machined steel top shaft, and a steel servo horn, ensuring the structural integrity required for sustained trail abuse and demanding rock-crawling sessions.
• Splined Front Axle with Adjustable Caster — The front axle features splined construction for reliability, with adjustable caster angles that allow you to fine-tune steering feel, stability and approach angle to match specific terrain challenges and your personal driving preference.
• Optimised Ball Cups for Enhanced Articulation — The suspension incorporates optimised ball cups throughout the axles that provide more fluid articulation, allowing the suspension to move more freely and conform more naturally to uneven terrain, which dramatically improves traction and reduces binding.
• Adjustable Rear Shock Tower Mount Positions — The rear suspension geometry can be fine-tuned through multiple shock tower mounting positions, enabling you to adjust ride height, roll characteristics and suspension travel to optimise performance for different terrain types and crawling styles.
• Dual Battery Boxes — The kit includes two battery boxes providing flexibility in battery placement and weight distribution, allowing you to optimise chassis balance and handling characteristics based on your specific battery choice and driving style.
• Gold-Anodised Motor Plate — The motor plate features premium gold anodising that matches the overall aesthetic whilst providing corrosion resistance and a professional appearance that complements the truck's distinctive styling.
• 12mm Wheel Hexes — Substantial 12mm wheel hexes provide secure wheel attachment and contribute to the overall robustness of the drivetrain, minimising play and ensuring reliable power transmission through the wheels.
• Adjustable Front Bumper Mount — The front bumper mounting system is fully adjustable, allowing you to optimise body protection geometry and ground clearance based on your specific trail requirements and preferred driving approach.
• Adjustable Body Posts — Body post height is adjustable, giving you control over body position relative to the chassis for improved aerodynamics, weight distribution and visual customisation.
• High-Strength Polycarbonate Body — The RC10 comes supplied with a clear high-strength polycarbonate body that can be painted to your preferred colour scheme; the single-piece design features injection-moulded roof rack, realistic bumpers, functional mirrors and polycarbonate inner fenders, combining authentic styling with practical durability.
• Licensed General Grabber X3 Tyres — Officially licensed 1.9 x 4.65 inch General Grabber X3 tyres in soft-compound rubber provide genuine off-road traction and realistic appearance, mounted on licensed Method 701 Trail Series beadlock wheels in satin silver with stunning gold-anodised accents.
• Method 701 Beadlock Wheels — The 1.9 inch licensed Method 701 Trail Series beadlock wheels in satin silver provide secure tyre retention and a distinctive trail-ready appearance that perfectly complements the RC10's heritage-inspired styling.
• Classic Heritage Livery — The kit includes a full-colour decal sheet inspired by the legendary Camel Yellow livery of the original 1984 Team Associated RC10, allowing you to build your truck with authentic retro styling or customise it with your own colour scheme and graphics.

Technical Performance

The RC10 Trail Truck Portal Kit delivers genuine trail-crawling performance through a carefully engineered combination of proven technologies and innovative features. The Stealth X transmission is the heart of this system, utilising its unique design to allow independent tuning of front and rear drive ratios—a capability that distinguishes this kit from conventional RC rock crawlers. With stock setup overdriving the front by 5.7%, an optional one-to-one ratio available separately, and a maximum 11.83% overdrive option, you can precisely match the drivetrain to your terrain and driving style. The Enduro drivetrain feeds power through 3-piece telescopic driveshafts with extruded aluminium centre sections and universal front drive axles, paired with hardened steel ring and pinion gears that handle the extreme torque loads inherent in trail crawling. The portal axles represent a significant engineering advancement, providing nearly an inch of additional ground clearance compared to straight axles—a seemingly modest gain that translates to dramatically improved obstacle clearance on real terrain. These axles feature all-metal gears throughout, precision ball bearings, and a larger inner input bearing pocket designed to withstand the tremendous forces generated by portal gear reduction. The six-screw portal boxes ensure maximum structural rigidity under heavy torque loads, preventing gear separation and catastrophic failure during intense crawling sessions. The chassis employs BTA (behind-the-axle) steering geometry that improves approach and departure angles whilst maintaining a clean aesthetic, combined with bolt-on aluminium steering plates that enable adjustment and future modification. The suspension system comprises threaded gold-anodised aluminium shock bodies filled with fluid for consistent damping, connected via heavy-duty 5mm diameter steel links and supported by a robust splined front axle with adjustable caster. The chassis itself is constructed from gold-coloured stamped steel frame rails with a machined steel top shaft and steel servo horn, providing the structural integrity required for sustained trail punishment. Adjustable shock tower mounts allow fine-tuning of ride geometry, whilst the CMS (chassis-mounted servo) layout reduces unsprung weight and improves steering responsiveness. The kit includes optimised ball cups throughout the suspension for enhanced articulation and reduced binding, critical for maintaining traction across uneven terrain. At 1:10 scale, the kit measures 462mm in length, 236mm in width, and features a 325mm wheelbase, providing a compact yet capable footprint suitable for most trail environments. The overall design emphasises adjustability and durability, giving experienced builders and crawlers the tools to optimise performance across diverse terrain and conditions whilst maintaining the reliability demanded by serious RC enthusiasts across the UK.

What's in the Box

• Fully detailed 1:10 scale chassis with BTA steering geometry and CMS servo layout
• Stealth X adjustable transmission with multiple drive ratio options
• New high-clearance portal axles with all-metal gearing and six-screw reinforcement
• 3-piece telescopic driveshafts with extruded aluminium centres
• Universal front drive axles with hardened steel gears
• Threaded gold-anodised aluminium shock bodies with fluid fill
• Heavy-duty 5mm diameter steel suspension links
• Gold-coloured stamped steel frame rails
• Adjustable front track bar for CMS tuning
• Integrated servo winch mount on chassis
• Splined front axle with adjustable caster angles
• Dual battery boxes for flexible power placement
• Gold-anodised motor plate
• Adjustable front bumper mount system
• Adjustable rear shock tower mount positions
• Adjustable body posts
• Machined steel top shaft and servo horn
• Metal ball bearings throughout suspension
• Clear high-strength polycarbonate body shell with integrated roof rack
• Injection-moulded bumpers, mirrors and polycarbonate inner fenders
• Full-colour decal sheet with classic Camel Yellow livery inspiration
• Licensed 1.9 x 4.65 inch General Grabber X3 soft-compound tyres
• Licensed 1.9 inch Method 701 Trail Series satin silver beadlock wheels with gold accents
• 12mm wheel hexes for secure wheel attachment
• All fasteners, bearings and hardware required for assembly

What You Need to Complete

• Brushless motor (not included in kit)
• Electronic Speed Controller (ESC) rated for the chosen motor specifications
• Battery pack (LiPo recommended) with appropriate connector
• Battery charger compatible with your chosen battery type
• Servo motor for steering control
• Radio control system (transmitter and receiver)
• Paint or clear coat for the polycarbonate body if desired
• Lexan body paint suitable for polycarbonate shells
• Small tools for assembly including hex keys, screwdrivers and wrenches

Frequently Asked Questions

• What makes the Stealth X transmission so special compared to other RC trail truck gearboxes? — The Stealth X transmission features the unique ability to adjust the rear drive ratio independently of the front drive, something most conventional RC transmissions cannot do. With the stock 5.7% front overdrive, an optional one-to-one ratio available separately, and a maximum 11.83% overdrive option, you can dial in the exact balance of front and rear power delivery to suit different terrain conditions and your personal driving style. This level of tuning flexibility is a genuine engineering advantage that allows experienced crawlers to optimise traction and power delivery in ways simply not possible with standard fixed-ratio transmissions, making it one of the most sophisticated driveline systems available in a 1:10 scale trail truck kit.
• How much extra ground clearance do the portal axles actually provide? — The new portal axles on the RC10 Trail Truck Portal Kit deliver nearly an inch of additional centre axle clearance compared to Team Associated's standard straight axles. Whilst this might sound modest, in practical trail conditions it translates to noticeably improved obstacle clearance and the ability to traverse terrain features that would catch or high-centre a conventional axle arrangement. Combined with the adjustable caster angles and optimised ball cup articulation, this clearance increase makes a real difference in crawling capability and confidence on challenging rocky terrain.
• Is this kit suitable for beginners, or do I need advanced RC building experience? — The RC10 Trail Truck Portal Kit is a comprehensive kit requiring full assembly, so it is best suited to builders with intermediate to advanced RC experience. You will need to assemble the chassis, suspension, drivetrain and body, which demands careful attention to detail, understanding of suspension geometry, and familiarity with RC assembly techniques. However, the build process itself is educational and satisfying, allowing you to understand every aspect of your trail truck. If you are new to RC, consider gaining assembly experience with a simpler kit first, or seek assistance from experienced RC builders in your local community.
• What battery type and capacity do I need for this electric RC10 trail truck? — The kit itself does not specify a particular battery type or capacity, allowing flexibility based on your motor choice and desired runtime. LiPo (Lithium Polymer) batteries are the standard choice for modern electric RC crawlers, typically in 2S (7.4V), 3S (11.1V) or higher configurations depending on your selected motor's voltage rating. The dual battery boxes included on the RC10 provide flexibility in battery placement for weight distribution tuning. Consult the specifications of your chosen brushless motor and ESC to determine the correct battery voltage and capacity, and always use a quality LiPo charger with proper balancing circuitry.
• What is the difference between the RC10 Trail Truck Portal Kit and Team Associated's other Enduro offerings? — The RC10 Trail Truck Portal Kit distinguishes itself through its heritage-inspired styling based on the legendary 1984 Team Associated RC10, its revolutionary Stealth X adjustable transmission with independent front/rear drive ratio tuning, and its new high-clearance portal axles that provide nearly an inch of additional ground clearance. Whilst other Enduro kits may share some chassis geometry and suspension components, the RC10 combines these specific advanced features with the classic RC10 aesthetic and officially licensed General and Method wheels and tyres, creating a unique trail crawler that balances authentic heritage styling with modern technological capability.
• Can I upgrade or modify the RC10 Trail Truck after purchase? — Absolutely. The RC10 Trail Truck Portal Kit has been designed with extensive adjustability and future modification in mind. The bolt-on aluminium steering plates allow straightforward adjustments and upgrades, the dual battery boxes provide flexibility for different power sources, the adjustable shock towers enable suspension geometry changes, and the modular chassis design supports numerous aftermarket upgrades. The two-stage Stealth X transmission gearbox tuning options and availability of additional gear sets (such as the AS42373 12/23 tooth set providing 36% additional overdrive) demonstrate that Team Associated has built this kit as an evolving platform rather than a fixed endpoint.
• How does the BTA steering geometry improve trail performance? — Behind-the-axle (BTA) steering positioning moves the steering linkage behind the front axle, which dramatically improves approach angle—the ability to climb over obstacles without the front bumper catching. This geometry also provides significantly better clearance around the front axle area and delivers a cleaner aesthetic. Combined with the adjustable caster angles on the splined front axle, BTA steering gives you multiple tools for tuning steering feel, response and ground clearance to match your specific trail requirements and driving preference.
• What makes the portal axles structurally capable of handling extreme torque loads? — The RC10 Portal Axles feature several engineering advantages that enable them to withstand the tremendous torque generated by portal gear reduction. All gears throughout the axles are metal rather than plastic, providing superior strength and longevity. The axles incorporate a new larger pocket for a heavier-duty inner input bearing that distributes loads more effectively. Most importantly, the portal gear boxes are secured with six screws rather than the typical fewer fasteners, dramatically increasing structural rigidity and preventing gear separation under heavy load. This multi-screw design is fundamental to the axle's ability to handle the extreme forces inherent in trail crawling without failure.
• Are the wheels and tyres genuine licensed products? — Yes, the RC10 Trail Truck includes officially licensed components from two industry leaders. The 1.9-inch Method 701 Trail Series beadlock wheels in satin silver are genuine Method products featuring the distinctive Trail Series design. The 1.9 x 4.65 inch General Grabber X3 tyres are official General Tyres products moulded in high-performance soft-compound rubber. This combination of industry-leading wheel and tyre manufacturers ensures both authentic appearance and genuine trail performance that matches their full-size counterparts.
• What tools and workspace do I need to build the RC10 Trail Truck Portal Kit? — You will need a well-lit workspace with access to basic hand tools including hex keys (Allen wrenches), screwdrivers in multiple sizes, small adjustable wrenches, and potentially a small hobby knife or craft knife for carefully separating parts from sprues if required. A workbench or table provides an ideal building surface, and keeping parts organised in small containers prevents losing fasteners and components. Whilst no power tools are strictly required for basic assembly, a power drill can speed up screw installation once you gain experience. Reference the assembly instructions carefully throughout the build process, and do not hesitate to seek advice from experienced RC builders in your local community if you encounter any assembly challenges.

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 TEAM ASSOCIATED RC10 TRAIL TRUCK PORTAL KIT AS40137 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.