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Traxxas Front Differential Ring and Pinion Gear Assembly 12/47 Ratio TRX10778X

Model No: TRX10778X


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£14.75

£1.47

£13.28

Inc VAT

In Stock
1 Year Warranty
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Overview

The Traxxas RING GEAR DIFF/PINION FRONT TRX10778X is an essential drivetrain spare part designed for RC enthusiasts who want to maintain or upgrade their mini-scale RC vehicles. This front differential ring and pinion gear set is engineered with precision to deliver reliable performance and smooth power distribution across the front axles of compatible Traxxas models. Whether you're a dedicated RC car UK hobbyist, a weekend basher, or someone looking to replace worn drivetrain components on your brushless RC mini truck, this genuine Traxxas spare part offers the quality and compatibility you need to keep your vehicle performing at its best.

Designed for use with the Traxxas Mini Maxx BL-2S and Traxxas Mini XRT VXL-3S models, this differential gear assembly represents genuine Traxxas engineering and manufacturing standards. The front differential system plays a critical role in distributing engine power efficiently to both front wheels during acceleration, cornering, and deceleration, making it an important component for overall vehicle handling and performance. When your differential gears show signs of wear or damage from regular bashing, this OEM replacement ensures you can restore your RC car UK to factory specifications without compromise.

As an authorised Traxxas retailer, RC Model Shop stocks this essential spare part to support your ongoing RC maintenance and repair needs. Having the correct differential gearing is crucial for maintaining the performance characteristics your vehicle was designed for, whether you're running in 2WD or 4WD configuration on terrain ranging from tarmac to grass and gravel.

Key Features

  • 12/47 Gear Ratio — The differential assembly incorporates a precisely calculated 12/47 ratio between the pinion and ring gears, which determines how power is delivered and multiplied through the front differential, directly affecting acceleration response and top speed characteristics of your vehicle.
  • Planetary Differential Design — This differential uses a planetary gear arrangement within the differential housing, allowing the inside and outside wheels to rotate at different speeds during cornering whilst maintaining drive to both wheels, which is essential for smooth handling and reduced tyre scrub during turns.
  • Front Axle Configuration — This is a front-specific differential assembly, engineered to work in harmony with the front suspension and steering geometry of your Mini Maxx BL-2S or Mini XRT VXL-3S for balanced weight distribution and predictable handling on any terrain.
  • Genuine Traxxas OEM Part — As an original equipment manufacturer component from Traxxas, this spare part meets all factory specifications and quality standards, ensuring perfect fit and function with your vehicle without any modifications required.
  • Durable Construction — The ring gear and pinion gears are manufactured from high-strength materials capable of withstanding the torque loads generated by brushless electric motors whilst maintaining precise engagement and smooth operation over extended periods.
  • Direct Replacement — This part is designed as a direct replacement for worn or damaged original differential assemblies, allowing you to restore your vehicle to factory condition quickly and easily without additional fabrication or adaptation.

Technical Performance

The Traxxas RING GEAR DIFF/PINION FRONT incorporates precision engineering that reflects decades of Traxxas experience in RC vehicle design and manufacture. The 12/47 gear ratio represents a carefully balanced specification that optimises power delivery for the small-scale brushless RC vehicles it serves, particularly the Mini Maxx BL-2S and Mini XRT VXL-3S platforms. The planetary differential arrangement allows both front wheels to receive drive whilst permitting speed differentiation during cornering, a critical feature for maintaining traction and reducing excessive tyre scrub that would otherwise slow the vehicle and consume battery power unnecessarily. The materials used in this assembly are selected for durability under the high rotational speeds and torque loads generated by modern brushless electric motors. The gear teeth are precisely machined to maintain engagement tolerances that ensure quiet, smooth operation with minimal mechanical losses. This front differential working in concert with any rear differential assembly creates a balanced drivetrain that responds predictably across varied terrain conditions, from smooth indoor venues to rough outdoor bashing environments. The quality control standards applied during manufacture mean you receive a component that integrates seamlessly with your existing vehicle without requiring any shimming, adjustments, or modifications. For RC enthusiasts in the UK maintaining high-performance electric brushless RC vehicles, having access to genuine OEM differential components like this ensures that your vehicle's handling characteristics remain consistent with the manufacturer's engineering intentions.

What's in the Box

  • Ring gear, differential (front)
  • Pinion gear, differential (planetary, front)

Frequently Asked Questions

  • Which Traxxas RC vehicles use this front differential assembly? — This front differential ring and pinion gear set is specifically compatible with the Traxxas Mini Maxx BL-2S in all available colours (black, orange, green, and blue) and the Traxxas Mini XRT VXL-3S in all available colours (red, blue, green, and orange). Always verify your vehicle model before ordering to ensure correct fitment.
  • What does the 12/47 ratio mean for my RC car performance? — The 12/47 ratio refers to the relationship between the pinion gear (12 teeth) and the ring gear (47 teeth), which determines the mechanical advantage and torque multiplication in your vehicle's drivetrain. A lower ratio like this favours acceleration and torque over top speed, making it ideal for off-road bashers and technical driving where responsive acceleration is more valuable than pure speed capability.
  • When should I replace my front differential gears? — You should consider replacement when you notice symptoms such as grinding or unusual noise coming from the front differential area, visible wear or chipping on the gear teeth, loss of traction or pulling to one side during acceleration, or if you're rebuilding your vehicle after significant damage or high-mileage use.
  • Is this suitable for beginners? — Differential replacement is an intermediate-level maintenance task that requires some mechanical knowledge and the correct tools for disassembly and reassembly. If you're new to RC maintenance, we recommend consulting your vehicle's manual or seeking assistance from experienced RC enthusiasts or a professional RC technician to ensure proper installation.
  • What is the difference between front and rear differentials? — Front and rear differentials are engineered with different specifications to account for the distinct roles they perform in your vehicle's drivetrain. Front differentials must accommodate steering inputs and work alongside the front suspension geometry, whilst rear differentials handle straight-line power delivery. Using the correct front differential ensures proper handling and prevents drivetrain damage.
  • Do I need any special tools to install this differential? — Installation typically requires basic RC tools including a hex key set, potentially a differential rebuild kit or gasket sealant depending on your vehicle's design, and access to your vehicle's service manual for proper disassembly and reassembly procedures. Consult your Traxxas manual for specific tool requirements for your model.

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 RING GEAR DIFF/PINION FRONT TRX10778X 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: TRX10778X
  • EAN: 020334052568
  • Part Type: Drivetrain Spares
  • Component Type: Ring gear differential and pinion gear differential (planetary)
  • Gear Ratio: 12/47
  • Position: Front
  • Differential Type: Planetary
  • Compatible Vehicles: Traxxas Mini Maxx BL-2S (black, orange, green, blue), Traxxas Mini XRT VXL-3S (red, blue, green, orange)

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.