Overview
The Traxxas Differential, Front, Complete (TRX8991) is an essential drivetrain component for Traxxas Maxx owners and enthusiasts across the UK. This Pro Built® front differential comes completely assembled and ready to install, making it an ideal replacement part or upgrade for your RC monster truck. Whether you're a seasoned RC basher, a competition-focused driver, or someone enjoying weekend off-road adventures with your RC car UK setup, having a quality differential is crucial to maintaining peak performance and reliability.
Traxxas has engineered this front differential to deliver the precision and durability that RC enthusiasts demand. The Pro Built® assembly process ensures each component is expertly constructed and tested before reaching your hands, so you can install it with confidence. This complete front differential is specifically designed to fit the Traxxas Maxx monster truck range, delivering the differential performance necessary for smooth cornering, consistent power delivery, and extended drivetrain longevity during both casual bashing sessions and competitive racing events.
RC Model Shop stocks this genuine Traxxas spare part, giving you access to authenticated, manufacturer-backed components that maintain your investment and keep your RC monster truck performing at its best. The Maxx platform is renowned for its capability and durability, and maintaining its drivetrain with quality OEM parts ensures your vehicle continues to deliver the performance you expect from a premium ready to run RC model.
Key Features
- Pro Built® Complete Assembly — This differential arrives fully assembled and ready to install directly into your Maxx, eliminating the need for additional setup or tuning work and allowing you to get back to driving faster.
- Integrated Differential Pinion Gear — The included differential pinion gear is precision-engineered to work seamlessly with the Maxx drivetrain, ensuring smooth power distribution and optimised traction control during acceleration and cornering.
- High-Quality Bearing System — Includes precision bearings that reduce friction and wear, extending the operational life of your differential and maintaining responsive handling characteristics over extended driving sessions.
- Factory-Tested Performance — Every Pro Built® differential is tested and verified at the Traxxas factory, guaranteeing compatibility and performance with your Maxx monster truck without compatibility concerns.
- Maxx-Specific Design — This front differential is engineered exclusively for the Traxxas Maxx platform, ensuring perfect fitment and integration with your vehicle's existing drivetrain geometry and specifications.
- Genuine Traxxas Spare Part — As an authorised Traxxas retailer, RC Model Shop supplies only genuine Traxxas components, ensuring authenticity and full compatibility with your RC vehicle.
Technical Performance
The Traxxas Differential, Front, Complete (TRX8991) represents professional-grade engineering designed specifically for the demands of the Traxxas Maxx platform. Built with precision-machined components and industry-standard bearing assemblies, this differential ensures consistent performance whether you're bashing on rough terrain, navigating technical tracks, or pushing your RC monster truck to its limits. The complete assembly approach eliminates potential points of failure that can occur with partially assembled components, whilst the integrated differential pinion gear and bearing system work in concert to deliver predictable traction management and smooth power delivery. Traxxas' Pro Built® manufacturing process subjects each unit to rigorous quality control, meaning the differential you receive has been tested and verified to meet exacting standards. The bearing system minimises rotational resistance, enabling more responsive steering inputs and maintaining the dynamic handling characteristics your Maxx is renowned for. Whether you're upgrading a worn differential or building a complete drivetrain refresh, this component maintains the engineering integrity and performance level expected from a premium RC monster truck platform.
What's in the Box
- Traxxas Front Differential, Complete (Pro Built®)
- Differential Pinion Gear
- Precision Bearing Assembly
Frequently Asked Questions
- Is the Traxxas Maxx front differential suitable for beginners? — Whilst the differential itself is a specialist component rather than a complete vehicle, replacing a differential is within the capability of most RC enthusiasts with basic mechanical experience. If you're new to RC maintenance, RC Model Shop's knowledgeable team can offer guidance and support to ensure successful installation. We recommend reviewing Traxxas' installation guides or contacting our team if you need technical assistance.
- What makes this a Pro Built® differential? — Pro Built® indicates that this differential has been completely assembled and quality-tested at the Traxxas factory, rather than supplied as individual components requiring assembly. This factory-assembled approach ensures optimal fitment and eliminates potential assembly errors, giving you a plug-and-play component ready for immediate installation into your Maxxs.
- Which Traxxas Maxx models does this differential fit? — This front differential (TRX8991) is engineered for the Traxxas Maxx platform, which includes the WideMaxx variants available in multiple colours including Rock N Roll, Green, and Red specifications. Always verify your specific model's parts compatibility before ordering, though the Maxx family uses consistent drivetrain geometry.
- How often should I replace my front differential? — A well-maintained differential can provide many hours of reliable service. You should consider replacement if you notice grinding sounds, excessive play in the drivetrain, or inconsistent power delivery. Regular maintenance and proper lubrication extend differential longevity significantly. Some drivers upgrade to fresh differentials periodically as preventive maintenance, particularly before major racing events or extended driving seasons.
- What should I do before installing this differential? — Before installation, inspect all mating surfaces on your Maxx chassis and remove any dirt or debris. Ensure you have appropriate tools for differential installation, and consider applying fresh differential oil during the process. Traxxas publishes detailed assembly instructions for their vehicles, and RC Model Shop can provide technical guidance if you need clarification on any installation steps.
- Is this part in stock at RC Model Shop? — Stock availability varies, and we recommend checking directly with our team or through our website for current availability. If the differential is temporarily out of stock, we can often arrange special order options to ensure you receive a genuine Traxxas component with the quality assurance you expect.
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 Differential, Front, Complete (fits Maxx) TRX8991 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: TRX8991
- EAN Code: 020334899101
- Product Type: Front Differential, Complete
- Category: Drivetrain Spares
- Assembly Status: Pro Built® - Fully Assembled and Ready to Install
- Compatibility: Traxxas Maxx (all variants including WideMaxx Rock N Roll, WideMaxx Green, WideMaxx Red)
- Compatible Models: TRX89086-4-RNR, TRX89086-4-GRN, TRX89086-4-RED
- Components Included: Differential pinion gear, Precision bearings
- Factory Testing: All units tested and verified at Traxxas factory
- Installation: Direct bolt-in installation to Maxx chassis
- Quality Control: Manufactured to Traxxas Pro Built® specifications
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.
