Overview
The Traxxas Input Shaft, Transmission (Cush Drive) TRX7786X is a genuine OEM replacement part designed for high-performance RC vehicles from the legendary Traxxas range. This critical drivetrain component is engineered to deliver reliable power transmission in some of the most demanding RC applications available today, including the X-Maxx monster truck series and Funco Motorsports sand cars. Whether you're a competitive racer, weekend basher, or serious RC enthusiast in the UK looking to maintain or upgrade your vehicle, this transmission input shaft ensures your RC car maintains peak performance and durability.
Built to Traxxas's exacting engineering standards, the cush drive input shaft is a precision-manufactured component that plays a vital role in your vehicle's drivetrain efficiency. The cush drive design helps absorb shock loads and reduce drivetrain stress, making it an essential part of modern high-performance RC car UK builds. This genuine Traxxas spare part is the ideal choice for anyone who demands authenticity, reliability and performance from their RC equipment, whether you're running a brushless RC monster truck, sand rail, or any compatible Traxxas platform.
If you're experiencing worn drivetrain components, upgrading your RC vehicle's performance, or simply maintaining your equipment to factory specifications, the TRX7786X input shaft is the perfect solution. Compatible with a wide range of Traxxas vehicles, this part represents genuine Traxxas engineering and quality assurance that you can trust.
Key Features
- Genuine Traxxas OEM Component — This is an authentic manufacturer-produced part, not an aftermarket substitute, ensuring perfect fitment and compatibility with your specific Traxxas vehicle and maintaining the integrity of your drivetrain system.
- Cush Drive Technology — The cush drive design incorporates elastomeric elements that absorb shock loads and vibration from aggressive driving, protecting your transmission and reducing strain on other drivetrain components during hard acceleration and off-road impacts.
- Precision Engineering — Manufactured to exacting Traxxas specifications using high-quality materials, this input shaft delivers consistent performance and longevity even under the extreme stresses of competitive racing or intense bashing.
- Wide Vehicle Compatibility — This part is compatible with multiple Traxxas platforms including the X-Maxx Ultimate, X-Maxx Belted 4WD brushless models, X-Monster, and Funco Motorsports Pro Scale vehicles, making it a versatile spare for serious Traxxas collectors.
- Critical Drivetrain Component — The input shaft is fundamental to power delivery from your motor to the transmission system, making a quality OEM replacement essential for maintaining peak vehicle performance and reliability.
- Drop-In Replacement — Installation is straightforward for anyone with basic RC maintenance knowledge, allowing you to get your vehicle back on the track or field quickly without complex modifications.
Technical Performance
The Traxxas Input Shaft, Transmission (Cush Drive) TRX7786X is engineered from high-quality materials designed to withstand the extreme forces encountered in modern high-performance RC vehicles. The cush drive mechanism is a sophisticated engineering solution that addresses one of the greatest challenges in RC drivetrain design: managing the shock loads generated during rapid acceleration, hard cornering, and aggressive impacts typical of competitive racing or intense off-road bashing. The elastomeric cush drive elements flex slightly under load, absorbing energy that would otherwise transfer directly to your transmission gears and bearings, effectively extending the lifespan of your entire drivetrain. This is particularly important in high-torque applications like the X-Maxx 8S brushless monster truck platform, where massive motor power must be efficiently transferred through the transmission system. The precision manufacturing ensures that the input shaft maintains exact tolerances for seamless integration with your vehicle's transmission, bearings, and drive components. When properly installed—ensuring bearings are fully seated into their recesses as detailed in assembly documentation—this component delivers the reliable power transmission that Traxxas vehicles are famous for. The TRX7786X is the result of decades of Traxxas engineering expertise in RC vehicle design and represents the same quality standard you'll find throughout the Traxxas range, from entry-level ready-to-run RC cars UK enthusiasts enjoy to professional-grade competition equipment.
What's in the Box
- Traxxas Input Shaft with Cush Drive (TRX7786X)
Frequently Asked Questions
- What vehicles is the Traxxas Input Shaft TRX7786X compatible with? — This transmission input shaft is compatible with multiple high-performance Traxxas models including the X-Maxx Ultimate (Blue X and Green X versions), X-Maxx Belted 4WD Brushless RTR models in Orange, Blue, Red and Green, X-Monster Chassis, and the Funco Motorsports Pro Scale 8S 2WD Electric Sand Car range. Always verify your specific vehicle model number before purchasing to ensure compatibility.
- What is a cush drive and why does my RC car need it? — A cush drive is a shock-absorbing mechanism built into the input shaft that helps protect your transmission and drivetrain from the enormous shock loads generated during hard acceleration and impacts. Rather than allowing all that force to transfer directly to your gears and bearings, the elastomeric cush drive elements flex slightly and absorb the energy, extending the lifespan of your entire drivetrain system and improving reliability during competitive racing or intense off-road bashing.
- Is this a genuine Traxxas part or an aftermarket replacement? — This is a genuine OEM (Original Equipment Manufacturer) Traxxas part, meaning it's produced by Traxxas themselves to their exact specifications. Choosing genuine parts ensures perfect fitment, optimal performance, and the reliability you expect from Traxxas vehicles, rather than relying on third-party substitutes that may not deliver the same quality and precision engineering.
- How difficult is it to install the input shaft? — Installation difficulty depends on your mechanical experience, but the process is straightforward for anyone with basic RC maintenance skills. The shaft installs into the transmission and is captured by the transmission bearings. A key tip from Traxxas assembly documentation: ensure bearings are fully seated into their recesses before installation—if you can't fit your thumb over the bearing for a good squeeze, use a 4-way wrench to press the bearing down into position. Cross pins can be tricky to insert, so a small set of needle-nose pliers is helpful.
- What tools do I need to replace the input shaft? — Most RC enthusiasts will find that a basic RC toolkit is sufficient, including a 4-way wrench for seating bearings, needle-nose pliers for inserting cross pins, and standard hex drivers. Detailed assembly instructions are available from Traxxas to guide you through the installation process step-by-step.
- Why should I buy a genuine Traxxas part rather than an aftermarket alternative? — Genuine Traxxas parts are engineered to exact specifications and manufactured to the same quality standards as the original components in your vehicle. This ensures perfect fitment, optimal performance, and compatibility with all other Traxxas components. Aftermarket parts may fit differently, perform inconsistently, or fail prematurely under the stresses of competitive racing or aggressive driving.
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 Input shaft, transmission (cush drive) TRX7786X 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
- Part Number: TRX7786X
- EAN: 0020334778697
- Part Type: Transmission Input Shaft (Drivetrain Spares)
- Drive Type: Cush Drive
- Compatible Vehicle Models: Traxxas X-Maxx Ultimate (Blue X and Green X), Traxxas X-Maxx Belted 4WD Brushless RTR (Orange, Blue, Red, Green), Traxxas X-Monster Chassis, Traxxas Funco Motorsports Pro Scale 8S 2WD Electric Sand Car (Red, Blue, Orange, Green)
- Material: High-quality precision-engineered materials
- Function: Transmits power from motor to transmission with shock-load absorption via cush drive elastomeric elements
- Installation Requirements: Bearings must be fully seated into recesses; cross pins installation recommended with needle-nose pliers
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.
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- 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.
