Overview
The Traxxas Ring Differential / Pinion Gear Differential (Rear) TRX8579 is an essential transmission tune-up component designed for serious RC enthusiasts in the UK who demand precision performance from their models. This rear differential assembly features genuine Traxxas engineering and is specifically engineered to deliver reliable, consistent power delivery and improved handling characteristics. Whether you're upgrading your existing setup or replacing worn components, this differential gear set represents the quality and durability that Traxxas is renowned for across the RC hobby community in the United Kingdom.
This transmission component is purpose-built for high-performance RC vehicles where differential performance directly impacts overall drivability, cornering grip, and straight-line acceleration. RC car enthusiasts, whether they're competing at the track or enjoying weekend bashing sessions, understand that the differential is a critical part of the drivetrain that can make the difference between a good setup and a championship-winning one. The TRX8579 is engineered to work seamlessly within Traxxas's proven platform, delivering the kind of reliable performance you expect from an authorised Traxxas component.
Built to exacting specifications, this ring and pinion gear differential assembly ensures smooth engagement and optimal power transmission to the wheels. For RC hobbyists looking to fine-tune their vehicles or replace factory components, the TRX8579 offers genuine OEM quality that integrates perfectly with compatible Traxxas models. If you're serious about your RC experience and want components you can trust, this differential is the right choice for your transmission system.
Key Features
- Genuine Traxxas Engineering — This is an authentic Traxxas component manufactured to the exact specifications required for optimal performance, ensuring compatibility and reliability that aftermarket alternatives may not provide.
- Ring and Pinion Gear Design — The dual-gear configuration of the ring and pinion system provides efficient power transfer from the transmission to the rear axle, allowing for smooth acceleration and predictable handling characteristics that are essential for competitive and recreational RC driving.
- Rear Differential Specific Design — Engineered exclusively for rear differential duty, this component is optimised for the unique stresses and requirements of rear-wheel drivetrain dynamics, delivering superior performance compared to generic differential components.
- Direct Replacement Component — The TRX8579 is designed as a direct replacement for worn or damaged differential gears, making it an ideal upgrade or maintenance part for keeping your RC vehicle running at peak performance.
- Precision Manufacturing — Built using Traxxas's quality control standards, each gear is manufactured to tight tolerances that ensure consistent mesh, smooth operation, and longevity under demanding racing and bashing conditions.
- Enhanced Durability — Whether you're pushing your vehicle to the limit on the track or exploring rough terrain, this differential is built to withstand the stresses of high-performance RC driving and provide years of reliable service.
Technical Performance
The Traxxas Ring Differential / Pinion Gear Differential represents the pinnacle of transmission engineering for serious RC enthusiasts. This rear differential assembly combines precision-manufactured ring and pinion gears that work in harmony to deliver optimal power distribution and handling characteristics. The gear design ensures smooth engagement with minimal backlash, which translates to more responsive steering input and better traction control when navigating challenging terrain or high-speed track conditions. The component is manufactured from high-strength materials selected for their ability to withstand the tremendous forces generated during acceleration, cornering, and braking events. Every gear tooth is precision-cut to exact specifications, ensuring perfect mesh alignment and efficient power transmission throughout the entire operating range. This level of engineering excellence means that RC drivers in the UK can depend on consistent, predictable performance lap after lap, whether they're competing at club-level events or enjoying recreational driving sessions. The differential is engineered to work seamlessly within the Traxxas UDR platform, which is renowned for its exceptional handling and performance characteristics in the short-course truck category. By maintaining the factory specifications that Traxxas engineers determined to be optimal, this component ensures that your vehicle continues to perform exactly as intended by its designers.
What's in the Box
- Ring Differential Gear
- Pinion Differential Gear
Frequently Asked Questions
- Which Traxxas models is the TRX8579 rear differential compatible with? — The TRX8579 is specifically designed for the Traxxas UDR (Unlimited Desert Racer) Pro-Scale 4WD Short Course Truck platform. It is compatible with both the Rigid Industries variant (TRX85086-4-RGD1) and the Fox Racing variant (TRX85086-4-FOX1), making it a universal fit for these high-performance short-course models.
- When should I replace my rear differential gears? — You should consider replacing your differential gears if you notice excessive play in the differential, hear grinding or unusual noises during acceleration, experience loss of power delivery efficiency, or if your gears show visible signs of wear, stripping, or damage from aggressive driving or impacts.
- Is this a performance upgrade or just a replacement part? — The TRX8579 is primarily a genuine OEM replacement component that maintains your vehicle's factory-specification performance characteristics. It's ideal for maintenance and repair purposes, restoring your differential to its original condition if worn or damaged components need to be replaced.
- How difficult is it to install the TRX8579 rear differential gears? — Installation of differential gears requires mechanical knowledge and proper tools, including the ability to disassemble the differential housing, install the gears correctly, and ensure proper mesh alignment. Many UK RC enthusiasts prefer to have this work performed by experienced technicians or service centres to ensure optimal performance and longevity.
- Do I need any other components to complete the installation? — Depending on your vehicle's current condition, you may need differential fluid or gear oil suitable for RC differentials, bearing shims for proper mesh alignment, and possibly replacement bearings if the existing ones show wear. It's recommended to inspect the entire differential housing during installation and replace any worn components.
- What makes Traxxas OEM components better than aftermarket alternatives? — Traxxas OEM components like the TRX8579 are engineered specifically for your vehicle model, manufactured to exacting tolerances, and tested extensively to ensure compatibility and performance. They're designed by the engineers who created your vehicle and guarantee perfect fitment and operation without guesswork or compatibility concerns.
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 Ring Differential / Pinion Gear Differential (Rear) TRX8579 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.
- Part Number: TRX8579
- Manufacturer: Traxxas
- Product Type: Rear Differential Ring and Pinion Gears
- Component Category: Transmission Tune-Up Option
- EAN: L020334857903
- Compatible Models: TRX85086-4-RGD1 (Traxxas UDR Unlimited Desert Racer Pro-Scale 4WD RTR Short Course Truck with Rigid Industries body), TRX85086-4-FOX1 (Traxxas UDR Unlimited Desert Racer Pro-Scale 4WD RTR Short Course Truck with Fox Racing body)
- Gear Configuration: Ring and Pinion differential design
- Application: Rear differential assembly
- OEM Status: Genuine Traxxas original equipment manufacturer component
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.