Overview
The Traxxas Gearbox halves (Front & Rear) with idler gear shaft (TRX8691) is an essential replacement and upgrade component for RC enthusiasts and competitive racers across the UK. This precision-engineered gearbox housing assembly is designed to deliver reliable performance and durability in demanding RC racing conditions. Whether you're maintaining your existing Traxxas RC car, upgrading for better performance, or building a competition-ready setup, this genuine Traxxas component ensures your drivetrain performs at its peak. The integrated idler gear shaft design provides smooth power transmission and reduces wear on critical drivetrain components, making it an investment in the longevity and reliability of your RC vehicle.
Built to Traxxas' exacting engineering standards, the gearbox halves offer exceptional durability and precise fitment with other Traxxas transmission components. This is a genuine OEM (Original Equipment Manufacturer) part, not an aftermarket copy, ensuring perfect compatibility and performance with your Traxxas RC car. Whether you're running a ready to run RC car UK model or a competition-grade race kit, having quality gearbox components is essential for maintaining consistent performance on the track or at the bash spot. RC enthusiasts who demand reliability and performance choose genuine Traxxas parts to keep their vehicles running at their best.
The front and rear gearbox housing halves work in tandem to create a sealed, efficient transmission case that houses all internal drivetrain components. The inclusion of the idler gear shaft is particularly important, as this component maintains proper gear mesh and alignment, preventing noise, slipping, and premature wear. For anyone serious about their RC hobby, whether you're a weekend basher enjoying casual RC fun or a competitor pushing for podium finishes, maintaining quality drivetrain components is absolutely critical to consistent performance and vehicle longevity.
Key Features
- Front and Rear Gearbox Housing Halves — This component provides a complete gearbox housing solution with separate front and rear halves, allowing for easy access to internal transmission components for maintenance, adjustment, and repair. The split design makes it simple to service your transmission without requiring complete vehicle disassembly.
- Integrated Idler Gear Shaft — The inclusion of the idler gear shaft ensures proper gear alignment and mesh throughout the drivetrain, maintaining consistent power delivery and minimising noise and vibration during operation. This precision component is essential for smooth, efficient power transmission to the wheels.
- Genuine Traxxas OEM Component — As an official Traxxas part (model number TRX8691), this component is manufactured to the same exacting standards as your original equipment, ensuring perfect fit, finish, and performance with all compatible Traxxas models.
- Durable Engineering — Traxxas gearbox components are engineered for durability in competitive RC racing and high-performance driving conditions, providing reliable service even under extreme stress and repeated use on tracks and off-road terrain.
- Easy Maintenance and Replacement — The modular design of front and rear halves makes replacement straightforward, allowing you to quickly restore your transmission to like-new condition without unnecessary downtime or complicated procedures.
- Perfect Drivetrain Compatibility — This gearbox housing assembly works seamlessly with Traxxas transmission components, ensuring proper alignment and function throughout your RC vehicle's drivetrain system.
Technical Performance
The Traxxas Gearbox halves represent precision engineering at its finest, manufactured to exacting tolerances that ensure perfect meshing of internal gears and smooth power transmission throughout your RC vehicle's drivetrain. The front and rear housing design creates a sealed transmission case that protects internal components from dirt, dust, and moisture while maintaining proper alignment of all gear systems. The integrated idler gear shaft is machined from high-quality materials and designed to withstand the intense forces generated during acceleration, deceleration, and cornering in competitive racing and bashing applications. The engineering of this component ensures minimal backlash and gear wear, extending the service life of both the gearbox housing and associated transmission components. Traxxas has refined gearbox design through decades of competitive racing experience, and every component reflects that commitment to performance and durability. Whether you're replacing worn components on an existing vehicle or building a fresh transmission for maximum reliability, these gearbox halves provide the foundation for consistent, dependable performance across all Traxxas RC car platforms and driving conditions.
What's in the Box
- Front gearbox housing half
- Rear gearbox housing half
- Idler gear shaft assembly
Frequently Asked Questions
- What vehicles is the Traxxas TRX8691 gearbox compatible with? — The Traxxas Gearbox halves (TRX8691) are designed for Traxxas RC vehicles that utilise this specific transmission housing design. Check your vehicle's parts diagram or contact us at RC Model Shop to confirm compatibility with your specific Traxxas model, as different vehicle platforms may use different gearbox configurations.
- How often should I replace my gearbox halves? — Gearbox halves typically last for many hours of use with proper maintenance. However, they should be replaced if you notice excessive gear noise, loose components, damaged mounting points, or if internal gears are grinding or slipping. Regular inspection during routine maintenance helps identify worn components before they affect overall drivetrain performance.
- Do I need special tools to install the gearbox halves? — Installation requires basic RC maintenance tools including screwdrivers and possibly hex key wrenches, depending on how the halves are secured to your vehicle's chassis. Detailed installation instructions are typically provided with Traxxas components, and RC Model Shop staff can provide guidance if you need assistance with the installation process.
- Can I upgrade my transmission with these gearbox halves? — Yes, if you're upgrading from damaged or worn gearbox components, these genuine Traxxas halves will restore your transmission to factory specifications and performance. They work with existing Traxxas transmission components to ensure a complete, properly functioning drivetrain system.
- What makes genuine Traxxas gearbox components better than aftermarket alternatives? — Genuine Traxxas components are engineered and manufactured to the same specifications as your vehicle's original equipment, ensuring perfect fit and compatibility. Aftermarket components may not have the same precision tolerances, potentially causing misalignment, noise, and premature wear. Choosing genuine OEM parts from an authorised Traxxas retailer like RC Model Shop ensures reliability and optimal performance.
- Is this suitable for both casual bashers and competitive racers? — Absolutely. Whether you're enjoying weekend bashing with friends or competing in organised RC racing events, reliable drivetrain components are essential. These gearbox halves meet the demanding requirements of competitive racing whilst providing dependable performance for casual use as well.
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 Gearbox halves (Front & Rear) / idler gear shaft TRX8691 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: TRX8691
- Component Type: Gearbox housing assembly with idler gear shaft
- Configuration: Front and rear gearbox housing halves
- Includes: Idler gear shaft
- Material: Engineered plastic housing with metal shaft components
- Design: Split front and rear housing for easy access and maintenance
- Compatibility: Traxxas RC vehicles with compatible transmission systems
- OEM Status: Genuine Traxxas Original Equipment Manufacturer component
- Application: RC transmission drivetrain systems
- Purpose: Houses gears, maintains alignment, transfers engine power to wheels
- Durability: Engineered for competitive racing and high-performance use
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.
