Overview
The Fastrax TRX-4 Aluminium Transmission Case (FTTX321BK) is a premium upgrade component designed specifically for Traxxas TRX-4 1/10 scale crawlers. This high-quality transmission case represents an essential chassis modification for anyone looking to enhance the durability and performance of their TRX-4 platform. Whether you're running a Chevrolet K10 Cheyenne, Ford F-150 Ranger, Chevy Blazer, Nissan Pathfinder, or Ford Bronco variant, this aluminium transmission case offers a significant step up from the standard plastic components. Built with precision engineering and manufactured from durable aluminium alloy, this transmission case is perfect for serious RC enthusiasts in the UK who demand reliability and longevity from their off-road RC crawlers.
Upgrading your TRX-4's transmission case is one of the most effective ways to protect your investment and improve the overall durability of your RC car. The TRX-4 has earned an outstanding reputation as a tough and capable 4WD crawler platform, and equipping it with quality aftermarket parts like this Fastrax transmission case ensures you can push your vehicle to its limits without fear of component failure. For dedicated RC hobbyists who regularly tackle challenging terrain and want their equipment to withstand punishment, this upgrade is a logical choice that delivers real-world benefits during extended bashing sessions.
RC Model Shop stocks this premium Fastrax component as part of our extensive range of TRX-4 upgrade parts and accessories. As a trusted UK retailer specialising in high-performance RC vehicles and quality aftermarket components, we understand what crawlers and trail runners need to perform at their best. This transmission case is ideal for both serious competitors and weekend bashers who refuse to compromise on quality.
Key Features
- Aluminium Construction — Manufactured from premium aluminium alloy, this transmission case offers significantly greater strength and rigidity compared to standard plastic alternatives, providing superior protection for the internal transmission components whilst maintaining the optimal weight balance essential for crawler performance.
- Purpose-Designed for TRX-4 — This case is engineered specifically to fit the Traxxas TRX-4 chassis, ensuring perfect compatibility with all TRX-4 variants including the Chevrolet K10 Cheyenne High Trail Edition, Ford F-150 Ranger XLT High Trail Edition, 1972 Chevrolet K5 Blazer High Trail Edition, 1979 Chevy Blazer, Nissan Pathfinder SE-V6, 2021 Ford Bronco, and Defender models, guaranteeing hassle-free installation with no modifications required.
- Enhanced Durability — Aluminium's inherent strength and resistance to cracking makes this transmission case far more durable than plastic, reducing the likelihood of catastrophic failure during aggressive off-road driving and extending the service life of your TRX-4 crawler significantly.
- Professional-Grade Upgrade — This is a chassis-level tune-up option that serious RC enthusiasts choose when they're ready to move beyond stock plastic components and invest in premium aftermarket parts that deliver measurable improvements in reliability and longevity.
- Lightweight Performance — Despite its exceptional strength, the aluminium construction keeps weight to a minimum, helping maintain the balanced weight distribution that makes the TRX-4 such an agile and responsive crawler platform.
Technical Performance
This Fastrax transmission case represents a professional-grade upgrade component engineered with the same attention to detail and quality standards that serious RC crawlers demand. The aluminium alloy construction provides substantially greater strength and impact resistance compared to the standard plastic transmission case found on stock TRX-4 vehicles. When tackling demanding terrain, rock crawling obstacles, or participating in competitive off-road RC events, the transmission case experiences significant stress from gear mesh forces, drivetrain shock loads, and potential impacts. The premium aluminium construction mitigates these stresses far more effectively than plastic alternatives, creating a more reliable foundation for your entire drivetrain system. The case maintains critical tolerances and alignment geometry essential for smooth transmission operation whilst delivering the toughness required by UK RC enthusiasts who refuse to compromise on performance or durability. This upgrade is particularly valuable for owners running higher-power brushless motors or those who regularly engage in intensive bashing sessions where component reliability becomes a genuine concern.
What's in the Box
- Fastrax TRX-4 Aluminium Transmission Case (FTTX321BK)
Frequently Asked Questions
- Is the Fastrax TRX-4 Aluminium Transmission Case compatible with all TRX-4 models? — Yes, this transmission case is designed to fit the complete range of Traxxas TRX-4 variants including the Chevrolet K10 Cheyenne High Trail Edition (available in black, metallic silver, metallic blue, red, and metallic copper), Ford F-150 Ranger XLT High Trail Edition (available in brown, blue, and black), 1972 Chevrolet K5 Blazer High Trail Edition (available in blue and red), 1979 Chevy Blazer (available in black and red), Nissan Pathfinder SE-V6 (available in red and silver), 2021 Ford Bronco (available in orange, black, red, and white), and the Land Rover Defender with clipless mounting (available in green, sand, red, and silver). It also fits unassembled TRX-4 chassis kits and the TRX-4 Sport variants. The design ensures perfect fitment without any modifications required.
- What makes an aluminium transmission case better than the plastic original? — Aluminium offers substantially greater strength, rigidity, and impact resistance compared to plastic, meaning the case resists cracking and deformation under load far more effectively. This results in longer component lifespan, improved reliability during aggressive driving, and better protection for the internal transmission gears and shafts. For serious RC crawlers and bashers, the upgrade delivers genuine performance and durability benefits that justify the investment.
- Will this upgrade improve my TRX-4's performance? — Whilst this upgrade doesn't directly increase speed or motor power, it significantly improves reliability and longevity by providing superior protection for the transmission system. By ensuring your drivetrain survives extended bashing sessions and demanding terrain without failure, you'll experience more consistent performance and fewer unscheduled repairs, ultimately enhancing your overall RC experience.
- Is this a difficult upgrade to install? — This is a straightforward chassis upgrade that any RC enthusiast with basic mechanical skills can install. The case is purpose-designed for the TRX-4 platform and requires no modifications to fit correctly. Anyone comfortable performing standard maintenance on their TRX-4 should have no difficulty completing this upgrade.
- What's the difference between this and other TRX-4 transmission cases? — This Fastrax case distinguishes itself through premium aluminium alloy construction, which offers superior strength and durability compared to standard plastic alternatives. Fastrax is recognised throughout the RC community for manufacturing quality aftermarket components that deliver genuine performance improvements, making this a trusted choice for UK RC enthusiasts who demand reliability.
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 FASTRAX TRX-4 ALUMINIUM TRANSMISSION CASE FTTX321BK 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: Fastrax
- Model Number: FTTX321BK
- EAN: 5056135710869
- Product Type: Aluminium Transmission Case
- Tune-Up Category: Chassis
- Compatible Platform: Traxxas TRX-4 1/10 Scale Crawler
- Material: Aluminium Alloy
- Colour: Black
- Compatible Models: TRX92056-4-BLK (Chevrolet K10 Cheyenne High Trail Edition Black), TRX92056-4-SLVR (Chevrolet K10 Cheyenne High Trail Edition Metallic Silver), TRX92056-4-BLUE (Chevrolet K10 Cheyenne High Trail Edition Metallic Blue), TRX92046-4-BRWN (Ford F-150 Ranger XLT High Trail Edition Brown), TRX92086-4-BLUE (1972 Chevrolet K5 Blazer High Trail Edition Blue), TRX82276-4-BLK (1979 Chevy Blazer Black), TRX82216-4-R6 (TRX-4 Unassembled Chassis Kit), TRX110056-4-RED (Nissan Pathfinder SE-V6 Red), TRX92056-4-RED (Chevrolet K10 Cheyenne High Trail Edition Red), TRX92056-4-COPR (Chevrolet K10 Cheyenne High Trail Edition Metallic Copper), TRX92046-4-BLUE (Ford F-150 Ranger XLT High Trail Edition Blue), TRX92086-4-RED (1972 Chevrolet K5 Blazer High Trail Edition Red), TRX92046-4-BLK (Ford F-150 Ranger XLT High Trail Edition Black), TRX82276-4-RED (1979 Chevy Blazer Red), TRX110056-4-SLVR (Nissan Pathfinder SE-V6 Silver), TRX92076-4-ORNG (2021 Ford Bronco Orange), TRX92076-4-BLK (2021 Ford Bronco Black), TRX92076-4-RED (2021 Ford Bronco Red), TRX92076-4-WHT (2021 Ford Bronco White), TRX82256-4-GRN (Land Rover Defender Green), TRX82256-4-SAND (Land Rover Defender Sand), TRX82256-4-RED (Land Rover Defender Red), TRX82256-4-SLVR (Land Rover Defender Silver), TRX82234-4-ORNG (TRX-4 Sport Deep-Terrain Orange), TRX82224-4-GRAY (TRX-4 Sport Gray), TRX82044-4-BLUE (TRX-4 Sport Hightrail Edition Metallic Blue), TRX82224-4-BLUE (TRX-4 Sport Blue)
- What's Included: Fastrax TRX-4 Aluminium Transmission Case
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.
