Overview
The Traxxas Axle Shafts, front, outer (TRX9729) are genuine OEM replacement parts designed specifically for Traxxas TRX-4M scale RC vehicles. Whether you're running a 1/18 Ford Bronco, Land Rover Defender, Chevrolet K10, or Ford F-150 trail truck, these outer front axle shafts are essential drivetrain components that deliver reliable power transmission to your front wheels. As a critical part of your RC vehicle's 4WD system, the outer axle shafts endure constant stress during trail driving, high-speed runs, and challenging terrain. If you've damaged yours through aggressive driving or general wear and tear, replacing them with genuine Traxxas parts ensures your RC model maintains its authentic handling characteristics and durability. For RC enthusiasts in the UK looking to keep their TRX-4M trail trucks in peak condition, these replacement shafts offer exceptional value and guaranteed compatibility.
The TRX-4M platform has become incredibly popular amongst RC car UK hobbyists thanks to its impressive scale detail, powerful 4WD capabilities, and rock-crawling credentials. These compact 1/18 scale vehicles require precision-engineered components, and Traxxas has engineered these outer front axle shafts to the same exacting standards as the original equipment. Whether you're a weekend basher exploring off-road trails or a dedicated trail truck competitor, having spare axle shafts on hand is a smart investment that keeps your truck running and ready for adventure.
Genuine OEM replacement parts like the TRX9729 are recognised as the best choice by RC experts and enthusiasts alike. By choosing authentic Traxxas components, you eliminate compatibility concerns and ensure your TRX-4M continues to perform exactly as the manufacturer intended. These shafts are specifically engineered to handle the torque demands of Traxxas's efficient drivetrain systems and will integrate seamlessly with your existing suspension and differential components.
Key Features
- Genuine Traxxas OEM Component — This is an authentic factory replacement part manufactured to the same specifications as the original equipment, ensuring perfect fitment and reliable performance with no compatibility issues or fitment surprises.
- Front Outer Position Design — These axle shafts are specifically engineered for the front outer mounting positions on TRX-4M vehicles, delivering optimised geometry and load distribution for trail driving and crawling applications.
- Compatible with Multiple TRX-4M Models — These shafts work across the entire TRX-4M lineup including Ford Bronco, Land Rover Defender, Chevrolet K10, Ford F-150 trail trucks, and TRX-4MT monster trucks, making them an incredibly versatile spare part to keep in your spares box.
- Precision Engineered for Durability — Traxxas has designed these shafts to withstand the consistent torque loads and shock impacts encountered during off-road trail driving, rock crawling, and high-speed bashing on rough terrain.
- Simple Installation — Replacement is straightforward for experienced RC enthusiasts, requiring only basic tools and RC knowledge to swap damaged shafts for fresh ones, minimising downtime and keeping your truck on the trail.
- Essential Drivetrain Spare — The front axle shafts are critical to maintaining 4WD traction and power delivery, making spares essential for serious RC drivers who want to avoid missing out on driving sessions due to drivetrain failures.
Technical Performance
The Traxxas TRX9729 outer front axle shafts represent precision engineering optimised for the demands of 1/18 scale RC trail trucks and crawlers. As drivetrain components, these shafts must transmit motor torque from the front differential to the outer front wheels whilst accommodating suspension articulation and steering inputs. Traxxas has engineered them from high-strength materials designed to resist bending and fatigue failure even under the aggressive driving conditions that characterise rock crawling and trail driving. The outer front position experiences significant lateral forces during cornering and climbing steep obstacles, and these shafts are geometrically optimised to handle such stress. The splined connection to both the differential and the wheel hub ensures secure engagement with no slippage, critical for maintaining consistent traction. Whether you're exploring rocky trails with your 1/18 Ford Bronco, pushing your Land Rover Defender to its limits, or tackling challenging terrain in any TRX-4M variant, these replacement shafts deliver the engineering quality that Traxxas is renowned for throughout the UK RC car market.
What's in the Box
- Traxxas TRX9729 Outer Front Axle Shafts (pair)
Compatibility Guide
The TRX9729 axle shafts are compatible with the following TRX-4M models:
- Traxxas TRX-4M Ford Bronco 1/18 RTR 4x4 Trail Truck (all colours: Black, White, Area 51, Blue, Red, Orange)
- Traxxas TRX-4M Land Rover Defender 1/18 RTR 4x4 Trail Truck (all colours: Silver, Tan, Black, Green, Light Blue, Pink)
- Traxxas TRX-4M Chevrolet K10 1/18 High Trail Truck (Red, Black, Blue)
- Traxxas TRX-4M Ford F-150 1/18 High Trail Truck (Blue, Black, Brown)
- Traxxas TRX-4MT F-150 1/18 Monster Truck (Blue, Black)
- Traxxas TRX-4MT K10 1/18 Monster Truck (Black, Red)
Frequently Asked Questions
- Are these genuine Traxxas parts or aftermarket replacements? — The TRX9729 are genuine OEM Traxxas replacement parts manufactured to factory specifications. Buying authentic Traxxas components ensures perfect compatibility, optimal performance, and reliability that aftermarket alternatives cannot guarantee. Genuine parts are always the smart choice for maintaining your RC vehicle's integrity.
- What vehicles do these outer front axle shafts fit? — These shafts are designed specifically for the TRX-4M platform and are compatible with all variants including the Ford Bronco, Land Rover Defender, Chevrolet K10, Ford F-150 trail trucks, and the TRX-4MT monster truck variants. They work across every colour variant of these models.
- How often will I need to replace the front axle shafts? — With normal bashing and trail driving, axle shafts typically last through many hours of use. However, aggressive rock crawling, impacts with large obstacles, or hard crashes can damage them. Keeping spare shafts on hand is wise for serious RC drivers who don't want drivetrain damage to ruin a day of driving.
- Can I install these shafts myself, or do I need professional help? — Most experienced RC enthusiasts can replace axle shafts themselves with basic tools and some RC knowledge. The shafts connect to the differential and wheel hub via splines, requiring careful alignment during installation. If you're new to RC vehicle maintenance, consulting the Traxxas manual or asking for guidance at your local RC hobby shop is recommended.
- Will these shafts work with modified or upgraded differentials? — These genuine Traxxas shafts are engineered to work with Traxxas's factory differential units. If you've upgraded to aftermarket differentials, compatibility depends on whether they use the same spline patterns. Always verify compatibility before purchasing.
- Why should I buy from RC Model Shop rather than other RC retailers? — RC Model Shop is an authorised Traxxas dealer in the UK, guaranteeing genuine products with full manufacturer support. Our team of experienced RC enthusiasts can help you find exactly what you need and provide expert advice on maintenance and repairs.
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 Axle Shafts, front, outer TRX9729 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.
- Product Type: Front Outer Axle Shafts
- Manufacturer: Traxxas
- Part Number: TRX9729
- EAN Code: 020334972903
- Spare Part Category: Drivetrain Spares
- Compatible Scale: 1/18
- Compatibility: TRX-4M Ford Bronco RTR (Black, White, Area 51, Blue, Red, Orange variants)
- Compatibility: TRX-4M Land Rover Defender RTR (Silver, Tan, Black, Green, Light Blue, Pink variants)
- Compatibility: TRX-4M Chevrolet K10 High Trail Truck (Red, Black, Blue variants)
- Compatibility: TRX-4M Ford F-150 High Trail Truck (Blue, Black, Brown variants)
- Compatibility: TRX-4MT F-150 Monster Truck (Blue, Black variants)
- Compatibility: TRX-4MT K10 Monster Truck (Black, Red variants)
- Position: Front Outer
- Drive System: 4WD
- Material: High-strength engineered material for durability
- Connection Type: Spline engagement to differential and wheel hub
- Quantity: Pair (two shafts)
- Function: Power transmission from front differential to outer front wheels
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.
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- 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.
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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.
