Overview
The Traxxas Axle housing, Rear / axle supports, left & right / axle Hub, Rear (2 pcs) TRX8540 is an essential chassis spare part designed for the Traxxas UDR Unlimited Desert Racer Pro-Scale 4WD Short Course Truck platform. Whether you are maintaining your high-performance RC short course truck, replacing worn components, or building up a competition-ready setup, this genuine Traxxas replacement part ensures your vehicle continues to perform at its best. As an authorised Traxxas dealer in the UK, RC Model Shop stocks genuine OEM parts that meet exact factory specifications, giving you peace of mind that your RC car UK investment is protected with quality components.
This rear axle housing assembly is a critical structural and functional component of your RC short course truck's drivetrain system. The assembly includes the rear axle housing itself along with left and right axle supports and a pair of rear axle hubs, providing a complete replacement solution for those who have experienced damage, wear, or simply want to upgrade to fresh components. For serious RC enthusiasts, weekend bashers, and competitive drivers alike, having genuine spare parts on hand is essential for maintaining your vehicle's performance and longevity. The UDR platform has earned its reputation as one of the most capable and durable Pro-Scale 4WD RC trucks available, and keeping it in optimal condition requires quality components like this axle housing assembly.
Whether you are running your Traxxas UDR with Fox Racing suspension or Rigid Industries components, this rear axle housing TRX8540 is specifically engineered to fit and function perfectly with your setup. Traxxas spare parts are manufactured to the same exacting standards as the complete vehicles, ensuring compatibility, durability, and reliable performance in all driving conditions. Order this genuine replacement part from RC Model Shop today and keep your RC short course truck running strong.
Key Features
- Complete Rear Axle Assembly — This part includes the rear axle housing along with both left and right axle supports, providing all the essential components needed for a complete rear axle replacement without having to source multiple individual parts separately.
- Dual Rear Axle Hubs — Two precision-engineered rear axle hubs are included in this package, ensuring you have matching pairs that are properly balanced and aligned for consistent handling and performance across the rear axle.
- Genuine Traxxas OEM Component — As an authentic Traxxas factory part, this axle housing meets all original equipment manufacturer specifications and quality standards, ensuring perfect compatibility with your UDR platform and reliable long-term durability.
- Designed for UDR Unlimited Desert Racer — This part is specifically engineered and tested for the Traxxas UDR Pro-Scale 4WD Short Course Truck, ensuring optimal fitment and performance whether you are running the Fox Racing or Rigid Industries variant.
- Essential Maintenance and Upgrade Component — Whether replacing damaged components from aggressive driving or upgrading to fresh parts for improved performance and reliability, this axle housing assembly is an essential spare for any serious UDR owner.
- Durable Construction — Built to withstand the rigours of high-speed off-road driving, whether you are racing competitively or enjoying recreational bashing with your RC car UK, this housing is engineered for longevity and strength.
Technical Performance
The rear axle housing assembly represents a critical structural component in the Traxxas UDR's drivetrain architecture. As part of the Pro-Scale 4WD design philosophy, this axle housing and its associated supports work together to provide robust support for the rear wheels while maintaining precise alignment and geometry. The inclusion of both left and right axle supports ensures that lateral forces during cornering, acceleration, and braking are distributed effectively, maintaining the vehicle's handling characteristics and stability. The dual rear axle hubs are precision-manufactured to exacting tolerances, allowing for smooth rotation and minimal run-out, which translates to better traction, improved cornering response, and reduced vibration at all speeds. The engineering of this assembly takes into account the unique demands of short course truck racing, where drivers push their vehicles to the limit across rough terrain, jumps, and high-speed corners. The material selection and construction methods used in this Traxxas OEM part ensure that it can handle the stresses imposed by brushless motors, modern high-performance batteries, and aggressive driving techniques. Whether you are competing in off-road racing events, running your UDR at a local RC track, or enjoying high-speed bashing in the countryside, this rear axle housing assembly delivers the reliability and performance that Traxxas vehicles are known for throughout the UK RC community.
What's in the Box
- Rear axle housing
- Left axle support
- Right axle support
- Rear axle hub (x2)
Frequently Asked Questions
- Is this rear axle housing compatible with my Traxxas UDR? — Yes, this TRX8540 assembly is specifically designed for the Traxxas UDR Unlimited Desert Racer platform and is compatible with both the Fox Racing and Rigid Industries variants of the vehicle. Always verify your model against the compatibility information provided to ensure proper fitment.
- What is the difference between buying individual parts versus this complete assembly? — This TRX8540 provides a complete solution by including the rear axle housing, both left and right axle supports, and a pair of rear axle hubs all together. Purchasing as an assembly ensures all components are properly matched and aligned, saves time sourcing individual parts, and often provides better value than buying components separately.
- How often will I need to replace my rear axle housing? — Under normal driving conditions, a quality Traxxas rear axle housing can last for many months or years of regular use. However, if you have experienced significant impact damage, noticed cracks, or experienced handling issues, replacement may be necessary. Regular inspection of your RC short course truck is recommended to catch any wear early.
- Can I use this part to upgrade my existing UDR? — Yes, whether you are performing routine maintenance to keep your vehicle in top condition or upgrading to fresh components as part of a performance refresh, this genuine Traxxas axle housing assembly is an excellent choice for UDR owners throughout the UK.
- Is this part suitable for beginners? — This is a replacement/spare part rather than a standalone product, so it is best suited for owners who already have a Traxxas UDR and possess basic mechanical knowledge. If you are new to RC vehicles, we recommend starting with a complete Ready to Run RC car UK package and learning the fundamentals before undertaking component replacements.
- What tools will I need to install this axle housing assembly? — While specific tool requirements depend on your exact setup and level of disassembly required, having a basic RC tool kit with hex keys, screwdrivers, and possibly a bearing puller is typically recommended. Detailed installation instructions can be found in your UDR manual or on the Traxxas website.
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 Axle housing, Rear / axle supports, left & right / axle Hub, Rear (2 pcs) TRX8540 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: Traxxas
- Model Number: TRX8540
- EAN: 0020334854001
- Part Type: Rear Axle Housing Assembly
- Spare Part Category: Chassis Spares
- Components Included: Rear axle housing, left axle support, right axle support, rear axle hubs (2 pieces)
- Compatible Vehicle: Traxxas UDR Unlimited Desert Racer Pro-Scale 4WD RTR Short Course Truck
- Compatible Models: TRX85086-4-FOX1 (UDR with Fox Racing suspension), TRX85086-4-RGD1 (UDR with Rigid Industries lighting)
We want to make sure your delivery goes smoothly, so here are some important details about our service:
- For orders above £120, we offer delivery to most mainland UK addresses. For orders under £120, we can still deliver to Northern Ireland and the outlying isles, as long as the item can be sent by Royal Mail, weighs less than 30kg, and fits within 61cm × 46cm × 46cm. Some highland and remote areas may carry an extra delivery charge as couriers often apply surcharges in these locations. If you live in one of these areas, feel free to contact us before ordering so we can confirm the delivery options and costs for you.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.