Overview
The Fastrax TRX-4 Aluminium Portal Drive Housing Outer F/R (2) is an essential upgrade component for Traxxas TRX-4 scale crawler enthusiasts across the UK. This precision-engineered aluminium housing is designed to enhance the performance and durability of your TRX-4 chassis, whether you're tackling challenging terrain at your local RC club or exploring rocky landscapes in the countryside. As a dedicated upgrade part from the trusted Fastrax brand, this component represents a significant step up in build quality and longevity compared to standard plastic alternatives.
Portal drive housings are critical components in the TRX-4's sophisticated four-wheel drive system, and upgrading to aluminium construction delivers measurable improvements in rigidity, heat dissipation, and overall durability. Whether you're a seasoned RC crawler pilot looking to fortify your truck's drivetrain or a dedicated hobbyist seeking to enhance your ready-to-run RC car investment, this front and rear housing set provides the performance upgrade you need to tackle more demanding courses with confidence. The package includes two complete housings – one front and one rear – making this a comprehensive upgrade solution.
RC enthusiasts across the UK trust Fastrax for quality aftermarket upgrades that transform stock vehicles into formidable off-road performers. This aluminium portal drive housing outer set exemplifies that commitment to excellence, combining lightweight construction with exceptional strength to deliver the performance gains that serious crawlers demand.
Key Features
- Aluminium Construction — Manufactured from high-grade aluminium alloy, these portal drive housings offer superior rigidity compared to plastic alternatives, reducing flex and improving power transfer to the wheels during challenging climbs and technical terrain.
- Front and Rear Set — This package includes both front and rear housings, allowing you to upgrade the complete portal drive system in one purchase rather than buying components separately over time.
- Precision Engineering — Fastrax components are designed with exacting tolerances to ensure perfect fit and function on genuine Traxxas TRX-4 platforms, eliminating compatibility issues and installation complications.
- Enhanced Durability — Aluminium construction significantly improves longevity during aggressive bashing and technical crawling, resisting impact damage that would crack or shatter plastic housings.
- Improved Heat Dissipation — The thermal properties of aluminium help dissipate heat generated during extended climbing sessions, protecting internal bearings and drivetrain components from heat-related wear.
- Weight Optimisation — Unlike heavier steel alternatives, aluminium construction maintains structural integrity whilst keeping your TRX-4's weight distribution optimal for crawling performance.
- Authentic Fastrax Quality — Fastrax is recognised across the RC hobby as a manufacturer of premium upgrade components, and these portal housings exemplify their dedication to performance enhancement.
Technical Performance
The TRX-4 portal drive system is one of the most sophisticated elements of the Traxxas crawler platform, and upgrading the outer housings to aluminium construction delivers tangible performance improvements. Portal drives work by positioning the differential above the wheel hub, allowing the axle to be positioned higher on the chassis for increased ground clearance without compromising suspension travel or approach angles. The aluminium outer housings protect these intricate internal mechanisms whilst contributing to the overall structural integrity of the drivetrain. When you upgrade from the factory plastic housings to Fastrax aluminium components, you're gaining measurably increased rigidity that translates to more predictable handling over rocky terrain, better power delivery during technical ascents, and improved longevity during sustained bashing sessions. The aluminium material also provides superior thermal management, crucial when your TRX-4 is tackling challenging UK trail courses or competing at crawling events. These housings have been engineered to work seamlessly with all compatible TRX-4 variants, including the Chevrolet K10 Cheyenne High Trail Edition in red, black, silver, copper, and blue finishes, the Ford F-150 Ranger XLT High Trail Edition in multiple colours, the 1972 Chevrolet K5 Blazer High Trail Edition, the 1979 Chevy Blazer, the Nissan Pathfinder SE-V6, the 2021 Ford Bronco, the Defender 4WD, and the TRX-4 Sport models.
What's in the Box
- Fastrax TRX-4 Aluminium Portal Drive Housing Outer – Front (1 unit)
- Fastrax TRX-4 Aluminium Portal Drive Housing Outer – Rear (1 unit)
Compatibility
- Traxxas TRX-4 Chevrolet K10 Cheyenne High Trail Edition (all colours: red, black, silver, copper, blue)
- Traxxas TRX-4 Ford F-150 Ranger XLT High Trail Edition (all colours: blue, black, brown)
- Traxxas TRX-4 1972 Chevrolet K5 Blazer High Trail Edition (all colours: red, blue)
- Traxxas TRX-4 1979 Chevy Blazer (all colours: red, black)
- Traxxas 1/10 TRX-4 Nissan Pathfinder SE-V6 3S 4x4 RTR (all colours: silver, red)
- Traxxas TRX-4 2021 Ford Bronco 1/10 Crawler (all colours: orange, black, red, white)
- Traxxas 1/10 TRX-4 Defender 4WD RTR (all colours: red, silver, green, sand)
- Traxxas TRX-4 Sport with Deep-Terrain Traxx and Clipless Body (orange)
- Traxxas TRX-4 Sport Hightrail Edition (metallic blue)
- Traxxas TRX4 Sport 1/10 4x4 Electric All-Terrain Crawler Truck (all colours: gray, blue)
- Traxxas TRX-4 Unassembled Chassis Kit with Clipless
Frequently Asked Questions
- Will these aluminium portal drive housings fit my Traxxas TRX-4? — Yes, these Fastrax housings are specifically engineered to be fully compatible with all Traxxas TRX-4 models and variants, including the latest High Trail Editions. The precise tolerances ensure perfect fit without any modification or adjustment required.
- What is the advantage of upgrading from plastic to aluminium portal drive housings? — Aluminium construction delivers several critical advantages: superior rigidity that reduces flex during technical climbing, improved durability that resists impact damage, better heat dissipation to protect internal bearings and drivetrain components, and enhanced overall performance during demanding crawling sessions. For RC car enthusiasts serious about their TRX-4 performance, this upgrade is well worth the investment.
- Are these genuine Fastrax components? — Yes, these are authentic Fastrax parts manufactured to the brand's exacting standards. Fastrax is a recognised manufacturer of premium RC upgrade components trusted by hobbyists across the UK and beyond.
- How difficult is installation of these portal drive housings? — Installation requires some mechanical knowledge and appropriate tools, as you'll need to disassemble part of your TRX-4's drivetrain. If you're unfamiliar with RC car maintenance, we recommend consulting the detailed Traxxas service manual or seeking assistance from an experienced RC technician. Many UK RC clubs have members who enjoy helping with component upgrades.
- Do I need any additional parts to complete this upgrade? — These portal drive housings include the outer casings only. You'll use your existing internal components including bearings, gears, and other drivetrain elements. Ensure all internal parts are in good condition before installation.
- Is this suitable for beginners? — Whilst these are genuine quality components perfect for TRX-4 owners, upgrading portal drive housings is best undertaken by experienced RC hobbyists with mechanical knowledge and proper tools. If you're new to RC cars and wondering about upgrading your ready-to-run TRX-4, we recommend starting with simpler maintenance tasks and gradually developing your skills.
- What makes Fastrax different from other aftermarket upgrade manufacturers? — Fastrax is recognised for manufacturing premium quality upgrade components with precision engineering and rigorous quality control. Unlike some cheaper alternatives, Fastrax parts are designed and built to exact specifications, ensuring perfect compatibility and reliable performance upgrade for your RC crawler.
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 FASTRAX TRX-4 ALUMINIUM PORTAL DRIVE HOUSING OUTER F/R (2) FTTX304BK 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.
- Brand: Fastrax
- Product Code: FTTX304BK
- EAN: 5056135707715
- Product Type: Portal Drive Housing Outer – Front/Rear Set
- Material: Aluminium
- Quantity: 2 (one front, one rear)
- Tune-Up Type: Chassis
- Compatible Vehicle Scale: 1/10
- Compatible Platform: Traxxas TRX-4
- Compatibility List: TRX92056-4-RED, TRX92056-4-COPR, TRX92046-4-BLUE, TRX92086-4-RED, TRX92046-4-BLK, TRX82276-4-RED, TRX110056-4-SLVR, TRX92056-4-BLK, TRX92056-4-SLVR, TRX92056-4-BLUE, TRX92046-4-BRWN, TRX92086-4-BLUE, TRX82276-4-BLK, TRX82216-4-R6, TRX110056-4-RED, TRX92076-4-ORNG, TRX92076-4-BLK, TRX92076-4-RED, TRX92076-4-WHT, TRX82256-4-RED, TRX82256-4-SLVR, TRX82256-4-GRN, TRX82256-4-SAND, TRX82234-4-ORNG, TRX82224-4-GRAY, TRX82044-4-BLUE, TRX82224-4-BLUE
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