Overview
The Traxxas Gearbox Halves (Front & Rear) with rubber access plug TRX5181 is an essential replacement and upgrade component for T-Maxx RC enthusiasts across the UK. Whether you're a seasoned basher looking to maintain your vehicle or an RC hobbyist seeking to enhance your drivetrain performance, this genuine Traxxas spare part delivers the reliability and precision engineering you expect from the world's leading RC manufacturer. This component is specifically designed for the T-Maxx platform, one of Traxxas's most capable and durable vehicles, making it an indispensable part of any serious RC collection.
Built with the same exacting standards that have made Traxxas the trusted name in RC vehicles across the United Kingdom, these front and rear gearbox halves provide a complete transmission housing solution that ensures smooth power delivery and consistent performance. The inclusion of a rubber access plug means you can easily service your transmission without needing to completely disassemble the gearbox, saving time and frustration. This is the kind of thoughtful engineering that separates professional-grade RC components from cheaper alternatives, and it's why RC car UK enthusiasts continually choose Traxxas for their spares and upgrades.
If you've experienced wear on your existing gearbox halves, or if you're building a custom T-Maxx setup for maximum performance, the TRX5181 is the genuine Traxxas solution that will keep your RC truck running at peak efficiency. Every component in this package—from the glued construction that ensures longevity to the precision-engineered shift shaft seal—works together to deliver the durability and reliability that defines the Traxxas brand.
Key Features
- Front and Rear Gearbox Halves — This package includes both the front and rear gearbox housing components, meaning you have a complete transmission solution whether you need to replace both halves or upgrade your existing setup.
- Rubber Access Plug — The integrated rubber access plug allows you to service and maintain your transmission without complete disassembly, saving you time and reducing potential damage to other components during maintenance.
- Shift Detent Ball and Spring — These precision components are included to ensure smooth and reliable gear shifting, maintaining consistent engagement and preventing unwanted transmission slip during aggressive driving.
- 4mm GS (Ground Support) — This specification ensures proper fitment and alignment within the T-Maxx chassis, guaranteeing that your gearbox halves integrate seamlessly with your existing components.
- Shift Shaft Seal — Factory-installed shift shaft seal prevents fluid leakage and contamination, protecting your transmission internals and extending the service life of your gearbox.
- Glued Construction — The glued assembly ensures that the front and rear halves remain securely bonded under the intense stresses of off-road driving, eliminating the risk of separation or misalignment during aggressive manoeuvres.
- Genuine Traxxas Manufacturing — As an authorised spare part, this component meets all Traxxas specifications and quality standards, ensuring perfect compatibility with your T-Maxx and reliable performance from day one.
Technical Performance
The Traxxas Gearbox Halves TRX5181 represent the pinnacle of transmission engineering for 1/10 scale brushless and brushed RC vehicles. Manufactured using premium materials and precision engineering, these gearbox halves are designed to withstand the extreme torque and lateral forces generated during high-speed off-road driving. The glued construction provides superior structural integrity compared to traditionally bolted assemblies, reducing the likelihood of component separation under stress. The shift detent ball and spring system ensures positive gear engagement with minimal play, which is critical for maintaining power transfer efficiency and preventing transmission chatter during acceleration and deceleration. The 4mm GS specification ensures compatibility with the full range of T-Maxx drivetrain components, whilst the integrated shift shaft seal protects the internal mechanism from dirt, sand and moisture ingress—essential when you're bashing your RC car through challenging terrain across the UK. Build quality is exceptional throughout, with smooth internal passages designed to optimise oil flow for cooling and lubrication. Whether you're running a stock T-Maxx or pushing your vehicle with performance upgrades, these gearbox halves deliver the durability and reliability that defines professional-grade RC engineering.
What's in the Box
- Front Gearbox Half
- Rear Gearbox Half
- Rubber Access Plug
- Shift Detent Ball
- Spring
- 4mm GS Component
- Shift Shaft Seal
Frequently Asked Questions
- What is the Traxxas TRX5181 gearbox halves compatible with? — The TRX5181 is specifically designed for the Traxxas T-Maxx platform and will fit seamlessly with all standard T-Maxx drivetrain components. If you're unsure whether this part is compatible with your vehicle, please contact our expert team at RC Model Shop, and we'll confirm fitment before you purchase.
- Why would I need to replace my gearbox halves? — Gearbox halves can wear over time due to intensive use, high-speed bashing, or impacts during driving. If you notice fluid leakage, grinding noises, or difficulty shifting gears, replacement gearbox halves may restore your transmission to like-new condition. Alternatively, upgrading to fresh halves is a sensible maintenance step when performing a complete transmission service on your RC car.
- Do I need any special tools to install these gearbox halves? — Installation typically requires basic RC tools including screwdrivers and possibly a transmission fluid suitable for Traxxas vehicles. The rubber access plug means you can perform much of the service work without completely removing the gearbox from your chassis, making maintenance more straightforward than you might expect.
- Is this suitable for beginners? — Whilst the TRX5181 gearbox halves are a genuine Traxxas component, installation and maintenance of transmission components is generally more advanced than basic RC work. If you're new to RC hobbying, we recommend either having an experienced RC enthusiast help with installation, or visiting our store where our team can provide guidance and support.
- What makes Traxxas gearbox halves different from cheaper alternatives? — Traxxas components are engineered to OEM specifications and manufactured to exacting quality standards. The glued construction, precision-engineered shift mechanisms, and integrated seals on the TRX5181 are all designed to deliver superior durability and performance compared to budget alternatives, making them the smart choice for serious RC enthusiasts who want their vehicles to last.
- Can I use these halves to upgrade my T-Maxx? — Yes, these genuine Traxxas gearbox halves are suitable for maintenance, repair, and upgrade applications. If you're customising your T-Maxx for improved performance or reliability, these halves provide the foundation for a robust drivetrain upgrade.
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) / rubber access plug / shift detent ball / spring / 4mm GS / shift shaft seal, Glued TRX5181 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.
- Model Number: TRX5181
- EAN: 0020334518101
- Manufacturer: Traxxas
- Spare Part Type: Chassis Spares
- Component Type: Front and Rear Gearbox Halves
- Includes: Rubber Access Plug, Shift Detent Ball, Spring, 4mm GS Component, Shift Shaft Seal
- Construction: Glued Assembly
- Vehicle Compatibility: T-Maxx Platform
- Specification Grade: 4mm GS
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.
