Traxxas Centre Half Shafts Internal External Splined Extra Short TRX8850

Overview

The Traxxas Half shafts, centre (TRX8850) are essential replacement chassis spares designed for serious RC enthusiasts who demand reliability and precision in their scale models. Whether you're an experienced RC car UK competitor, a weekend basher, or someone who takes their ready to run RC crawler seriously, these centre half shafts are critical components that keep your vehicle performing at its best. These plastic parts are specifically engineered to work seamlessly with Traxxas TRX-6 models, including the iconic Mercedes-Benz G 63 AMG XL-5 1:10 6x6 RTD Crawler and the Ultimate RC Hauler with Winch, making them an indispensable addition to any serious modeller's spare parts collection.

Centre half shafts are fundamental drivetrain components that transmit power from the differential to the wheels, and having quality replacements on hand is essential for maintaining consistent performance and avoiding costly downtime during your RC sessions. The TRX8850 represents Traxxas's commitment to quality and durability, offering replacement parts that meet the exacting standards expected by the RC community across the UK and beyond. When your existing centre half shafts wear out or sustain damage during challenging terrain or competitive racing, these genuine Traxxas replacements ensure your crawler or hauler continues to perform reliably and maintain the handling characteristics you've tuned your vehicle to achieve.

This particular spare part package includes both the internal splined and external splined variants in extra-short configuration, providing you with a complete centre half shaft assembly solution that's ready to drop into your Traxxas TRX-6 platform. For anyone serious about maintaining their brushless RC vehicles and keeping them in peak condition, having genuine Traxxas replacement parts like these in your spares box is a sign of a dedicated modeller who understands that quality components are the foundation of great performance and longevity in this hobby.

Key Features

• Internal Splined Extra-Short Configuration — This shaft features internal splines that provide secure connection points within the differential assembly, ensuring positive power transfer without slippage or misalignment during aggressive driving conditions.
• External Splined Extra-Short Configuration — The external splined shaft variant connects smoothly to the wheel hub assembly, with the extra-short length optimised for the TRX-6 platform's specific suspension geometry and ride height requirements.
• Plastic Construction — These half shafts are manufactured from durable engineering-grade plastic materials that offer an excellent balance of lightweight design and impact resistance, helping to absorb shocks during high-speed runs and rough terrain navigation without adding unnecessary weight to your RC crawler.
• Extra-Short Length Design — The extra-short configuration is precisely engineered for the TRX-6 chassis geometry, ensuring optimal suspension articulation, turning radius, and weight distribution across all six wheels in the 6x6 platform.
• Genuine Traxxas Component — As official Traxxas replacement parts, these half shafts meet the manufacturer's quality standards and are designed to integrate perfectly with your TRX-6 model without requiring any modification or adjustment.
• Complete Assembly Solution — By including both internal and external splined shafts in a single package, this spare part set provides everything needed to replace a full centre half shaft assembly, reducing the need for multiple purchases.

Technical Performance

The TRX8850 centre half shafts represent precision engineering optimised specifically for the Traxxas TRX-6 platform, which is renowned as one of the most capable 1:10 scale 6x6 RC crawlers available to UK buyers. These plastic components are manufactured to exact tolerances that ensure smooth engagement with both the differential and wheel hub assemblies, maintaining the tight tolerances necessary for consistent torque transfer across all drivetrain components. The extra-short length configuration is critical for the TRX-6's design, as it works in harmony with the vehicle's sophisticated independent suspension system to provide maximum articulation without binding or creating stress points during extreme flexing on challenging terrain. Whether you're running your Mercedes-Benz G 63 AMG XL-5 through rocky trails, water crossings, or steep climbs, these half shafts are designed to handle the punishment that serious 6x6 crawling demands. The engineering-grade plastic construction offers superior impact resistance compared to weaker materials, yet remains light enough that it doesn't compromise the vehicle's suspension geometry or weight distribution. For modellers using the Traxxas TRX-6 Ultimate RC Hauler with Winch platform, these shafts ensure reliable power delivery whether you're hauling heavy loads or navigating obstacle courses that demand consistent traction and torque transmission. The precise spline counts on both the internal and external variants ensure zero slippage during power application, which is essential when you're commanding your crawler through technical sections where wheel slip would result in loss of traction and potential vehicle damage.

What's in the Box

• Half shaft, centre, internal splined, extra short (1 piece)
• Half shaft, centre, external splined, extra short (1 piece)

Frequently Asked Questions

• Are these centre half shafts compatible with all Traxxas TRX-6 models? — Yes, the TRX8850 is specifically designed as a direct replacement for Traxxas TRX-6 models including the Mercedes-Benz G 63 AMG XL-5 1:10 6x6 RTD Crawler in both black and silver finishes, and the Ultimate RC Hauler with Winch platform. These are genuine Traxxas components engineered to work seamlessly with these specific chassis designs.
• Why do I need both internal and external splined shafts? — The internal splined shaft connects to the differential assembly inside the gearbox, while the external splined shaft connects to the wheel hub. Together, they form the complete centre half shaft assembly that transmits power from the engine through to the wheels, so having both variants ensures you can perform a complete replacement when needed.
• What makes these extra-short shafts different from standard length options? — The extra-short configuration is specifically optimised for the TRX-6 platform's geometry, allowing maximum suspension articulation without binding, and maintaining the precise ride height and weight distribution that Traxxas engineers designed into this advanced 6x6 crawler platform.
• How often should I replace my centre half shafts? — Centre half shafts typically need replacement only when damaged or showing signs of wear such as visible cracks, looseness in the spline connections, or inconsistent power delivery to the wheels. Regular inspection after demanding driving sessions will help you identify when replacement is necessary, and having genuine Traxxas spares on hand means you can continue running while waiting for repairs.
• Can these half shafts handle extreme crawling and rock bashing? — Yes, the engineering-grade plastic construction of these Traxxas half shafts is specifically designed to absorb impact and flex during extreme off-road driving. The material selection provides an excellent balance between durability and weight, allowing your TRX-6 to maintain its suspension geometry and articulation even during the most challenging terrain navigation.
• Is this suitable for beginners? — While these are replacement parts rather than a complete vehicle, they're essential spares for anyone operating a Traxxas TRX-6 crawler. If you own a TRX-6 and are learning to operate it, having genuine replacement parts available is a wise investment that shows you're committed to maintaining your RC vehicle properly.
• What material are these half shafts made from? — These are plastic parts constructed from engineering-grade materials that Traxxas has selected for their combination of impact resistance, durability, and lightweight properties. This material selection is crucial for maintaining the TRX-6's suspension geometry and ride characteristics across all terrain types.

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 Half shafts, centre (internal splined, extra Short (1pc) / external splined, extra Short (1pc)) (plastic parts only) TRX8850 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.