Traxxas Housing, Differential (Front & Rear), 6061-T6 aluminium (Grey-anodised) TRX7780-GRAY

Overview

Take your X-Series RC vehicle to the next level with the Traxxas Housing, Differential (Front & Rear), 6061-T6 aluminium (Grey-anodised) TRX7780-GRAY. This genuine Traxxas accessory is engineered for serious RC enthusiasts who demand premium performance upgrades for their high-powered monster trucks and racing vehicles. Whether you're running an X-Maxx, XRT, or X-Monster chassis, this differential housing delivers the durability and precision engineering that separates competitive RC cars UK from standard off-the-shelf models.

If you're looking to upgrade your brushless RC monster truck or need a replacement differential housing that matches the quality standards of your factory-built Traxxas vehicle, this is the component you've been searching for. This aluminium differential housing is designed specifically for Traxxas X-Series vehicles and guarantees a perfect factory fit every single time, meaning no modifications, no fitment issues, and no compromises on performance. It's the kind of upgrade that separates weekend bashers from serious RC competitors.

The grey-anodised finish isn't just about aesthetics—it's a protective coating that guards against the elements, corrosion, and the wear and tear of intense off-road driving. Whether you're racing in wet conditions across UK terrain or pushing your brushless RC vehicle to its limits on dry tracks, this differential housing will maintain its structural integrity and performance characteristics for years to come.

Key Features

• Milled from high-grade 6061-T6 aluminium — This aerospace-grade aluminium alloy is chosen for its exceptional strength-to-weight ratio, meaning you get maximum durability without adding unnecessary weight to your RC truck that could slow acceleration and handling response.
• Brilliant anodised finish in grey — The anodising process creates a protective oxide layer on the aluminium surface that resists corrosion, scratching, and fading, ensuring your differential housing looks professional and functions flawlessly whether you're driving in muddy British countryside or on dusty tracks.
• Fits front or rear positions — This versatile differential housing is engineered to work in either the front or rear of your X-Series vehicle, giving you flexibility in your chassis setup and allowing you to replace or upgrade either differential without needing separate part numbers.
• Premium quality construction with factory fit and finish — Every differential housing is precision-machined to exact Traxxas specifications, ensuring that when you install this component, it integrates seamlessly with your existing drivetrain with zero gaps, misalignment, or binding issues.
• Genuine Traxxas manufacture — This part is made by Traxxas, for Traxxas, which means it's designed with intimate knowledge of how X-Series vehicles operate and what tolerances and materials are required to deliver consistent performance at high speeds and under extreme stress.
• Compatible with X-Maxx and XRT models — Whether you're upgrading an X-Maxx Belted 4WD Brushless RTR monster truck or running an XRT VXL-8S high-performance platform, this differential housing is engineered for seamless integration with these premium Traxxas platforms.

Technical Performance

The Traxxas Housing, Differential (Front & Rear) represents the pinnacle of aftermarket upgrade engineering for serious RC enthusiasts running high-powered brushless systems. The use of 6061-T6 aluminium is deliberate—this specific alloy combination delivers superior machinability while maintaining exceptional durability under the extreme loads placed on differential housings during aggressive acceleration, hard cornering, and high-speed bashings. The material is machined to tight tolerances, meaning every internal surface is precisely finished to minimise friction, reduce heat buildup, and extend drivetrain component lifespan. The brilliant anodised finish provides a hard, corrosion-resistant surface that protects the underlying metal from moisture, salt spray, and chemical exposure—critical for UK RC car enthusiasts who may drive in variable weather conditions. The grey colour is achieved through the anodising process and is not simply a paint or coating, meaning it integrates with the material itself for permanent protection. This differential housing is specifically engineered for X-Maxx and XRT vehicles, which means it's rated for the extreme torque outputs generated by modern brushless motors and high-capacity LiPo battery systems (including 8S configurations used in these platforms). The precision engineering ensures that your differential will operate smoothly, reduce noise during high-speed runs, and maintain consistent performance lap after lap, whether you're competing in local RC racing events or pushing your truck to its absolute limits during weekend bashings across challenging terrain.

What's in the Box

• Traxxas Differential Housing (Front & Rear), 6061-T6 Aluminium, Grey-anodised
• TRX7780-GRAY

Frequently Asked Questions

• Which Traxxas vehicles is this differential housing compatible with? — This differential housing is specifically designed for Traxxas X-Maxx and XRT model families. It fits front or rear positions on these vehicles. Compatible models include X-Maxx Belted 4WD Brushless RTR 8S (available in Red, Green, Orange, and Blue variants), X-Maxx Ultimate (Green X and Blue X variants), X-Monster Chassis, and XRT VXL-8S (available in Blue, Orange, Green, and Black), plus XRT Ultimate (Green X and Blue X variants).
• Why would I need to upgrade my differential housing? — The stock differential housing may become worn, cracked, or damaged during intense driving, particularly if you're pushing a brushless 8S monster truck to its limits. Upgrading to this genuine Traxxas aluminium housing improves durability, reduces friction losses, and can improve overall drivetrain efficiency and responsiveness. For serious RC competitors or bashers, having spare differential housings ensures you can quickly swap them out and get back to driving without extended downtime.
• What is 6061-T6 aluminium and why does it matter? — 6061-T6 is an aerospace-grade aluminium alloy that's heat-treated to the T6 temper condition, meaning it's been solution heat-treated and artificially aged for maximum strength. This alloy offers exceptional strength-to-weight ratio, superior corrosion resistance, and excellent machinability—all critical properties for differential housings on high-performance RC vehicles. The T6 designation means this housing will maintain its structural integrity even under the extreme loads generated by brushless systems.
• Can I use this on the front and rear of my X-Maxx? — Yes, this differential housing is designed to work in both front and rear positions on your X-Maxx or XRT vehicle. Many advanced users keep spare housings so they can upgrade both differentials simultaneously for maximum durability and consistent performance across the entire drivetrain.
• Is the anodised finish just for looks? — No, the brilliant anodised finish serves a critical protective function. Anodising creates a hard, corrosion-resistant oxide layer on the aluminium surface that shields the underlying metal from moisture, salt spray (important for UK coastal areas), and chemical exposure from dirt, grass, and water. This protection extends the lifespan of your differential housing and maintains the precision tolerances that ensure smooth operation.
• Will this improve my RC truck's performance? — Upgrading to this aluminium differential housing can provide marginal performance improvements through reduced friction and improved durability compared to worn or stock components. More importantly, it ensures consistent, reliable performance and can prevent mid-race failures by using premium-grade materials and precision manufacturing. For serious competitors and bashers, reliability and consistency are as important as raw speed.
• Is this a genuine Traxxas part? — Yes, this is a 100% genuine Traxxas part (TRX7780-GRAY). It's manufactured by Traxxas specifically for Traxxas vehicles, guaranteeing perfect factory fit and finish. Using genuine Traxxas parts ensures compatibility, reliability, and maintains the warranty integrity of your vehicle.

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 Housing, Differential (Front & Rear), 6061-T6 aluminium (Grey-anodised) TRX7780-GRAY 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.