Overview
The Traxxas TRX8849 Output Drive is an essential transmission and differential component designed for the legendary Traxxas TRX-6 6x6 crawler platform. This precision-engineered spare part is ideal for RC enthusiasts in the UK who demand reliability and authentic Traxxas quality in their models. Whether you're maintaining your Mercedes-Benz G 63 AMG XL-5 crawler, upgrading your RC Hauler, or simply keeping a full set of spares on hand, this output drive assembly ensures your transmission and differential systems continue to perform at their best. The TRX8849 is specifically engineered for the unique 6x6 axle configuration that makes Traxxas TRX-6 models so capable both on and off the road.
This transmission or differential output drive is not just a replacement part—it's a complete assembly that reflects Traxxas's commitment to robust engineering and longevity. For serious RC car UK enthusiasts who understand that maintaining their vehicles with genuine OEM parts is the key to consistent performance, the TRX8849 represents excellent value and peace of mind. The comprehensive component kit included means you have everything you need to rebuild, repair or upgrade your transmission and differential systems without searching for individual parts across multiple retailers.
Built to the exacting standards Traxxas is renowned for, this output drive assembly combines multiple precision-engineered components into a single, convenient package. Whether you're an experienced RC basher, a weekend crawler enthusiast, or someone who takes their RC hobby seriously, having this genuine Traxxas spare part in your toolkit ensures you can keep your TRX-6 running at peak performance whenever maintenance or repairs are needed.
Key Features
- Complete Output Drive Assembly — This is not a single component but a fully assembled output drive kit containing eight precision parts working together, ensuring seamless integration with your TRX-6 transmission or differential without any compatibility issues or fitment problems.
- Pin Retainer Component — The included pin retainer keeps all internal components properly aligned and secured, preventing movement or shifting during operation and ensuring your drive train remains stable under demanding crawling conditions.
- Drive Cup — This critical component transfers power from the transmission or differential to the drive shafts, designed with precision tolerances to minimise wear and maximise power transfer efficiency over thousands of operating hours.
- Drive Ball — The drive ball acts as a pivot point within the assembly, allowing smooth rotational movement and accommodation of suspension articulation without binding or creating friction losses during complex off-road manoeuvres.
- Centre Ball — Working in conjunction with the drive ball, the centre ball provides balanced support and allows the output drive to function smoothly under the extreme angles encountered in 6x6 crawler applications on uneven terrain.
- Drive Pin — This precision pin connects and transfers rotational force through the assembly, engineered to withstand the high torque demands of low-speed, high-traction crawling without deformation or failure.
- 3x10 Screw Pin — A precision fastener included in the kit, this screw pin secures components together with exact specifications, ensuring all parts remain properly assembled during your RC's operation.
- Cross Pin in Black — This hardened steel cross pin provides additional structural support and alignment within the output drive assembly, finished in black to resist corrosion and maintain structural integrity in wet or humid UK conditions.
- 2.5x6 Countersunk Screw with Threadlock — Pre-treated with threadlock compound, this fastener prevents vibration-induced loosening during rough terrain exploration, whilst the countersunk head ensures a smooth, flush fit without protruding edges.
- 6x6 Axle Configuration Compatibility — Specifically engineered for the unique demands of Traxxas TRX-6 models with their triple-axle 6x6 drive system, this output drive handles the complex torque distribution and articulation requirements these vehicles demand.
- Genuine Traxxas Engineering — Built to Traxxas's exacting standards using premium materials and precision manufacturing, this spare part maintains the quality and durability your TRX-6 deserves, ensuring long-term reliability and consistent performance.
Technical Performance
The Traxxas TRX8849 output drive assembly represents years of transmission and differential engineering expertise. Constructed from precision-machined components, this assembly is designed to handle the unique stresses placed on output drives in the TRX-6 platform's 6x6 configuration. The combination of the pin retainer, drive cup, drive ball, and centre ball creates a sophisticated mechanical system that allows smooth power transfer whilst accommodating the extreme suspension articulation angles that define extreme crawling. The drive pin and cross pin are manufactured from hardened steel to resist the torsional forces generated during low-speed, high-torque operation on rocky terrain. The included fasteners—the 3x10 screw pin and 2.5x6 countersunk screw with integrated threadlock—ensure all components remain securely assembled and won't loosen during extended crawling sessions or jumps. This comprehensive assembly approach means fewer potential failure points and more consistent, predictable performance from your transmission or differential system, making it an essential spare for anyone who relies on their TRX-6 for serious off-road exploration.
What's in the Box
- Pin retainer (1 piece)
- Drive cup (1 piece)
- Drive ball (1 piece)
- Centre ball (1 piece)
- Drive pin (1 piece)
- 3x10 screw pin (1 piece)
- Cross pin in black (1 piece)
- 2.5x6 countersunk screw with threadlock (1 piece)
Compatibility
The TRX8849 is specifically engineered for use with the following Traxxas TRX-6 models featuring the 6x6 axle configuration:
- Traxxas TRX-6 Mercedes-Benz G 63 AMG XL-5 1:10 6x6 RTD Crawler (Silver variant TRX88296-4-SLVR)
- Traxxas TRX-6 Mercedes-Benz G 63 AMG XL-5 1:10 6x6 RTD Crawler (Black variant TRX88296-4-BLK)
- Traxxas TRX-6 Ultimate RC Hauler with Winch (Black variant TRX88086-84-BLK)
Frequently Asked Questions
- Is this a complete output drive assembly or just a single component? — The TRX8849 is a complete output drive assembly containing eight individual precision-engineered components: pin retainer, drive cup, drive ball, centre ball, drive pin, 3x10 screw pin, cross pin, and 2.5x6 countersunk screw with threadlock. This comprehensive kit means you're not hunting for individual parts—everything you need is included in one convenient package.
- What models can I use this with? — This output drive is specifically designed for Traxxas TRX-6 models with the 6x6 axle configuration, including the Mercedes-Benz G 63 AMG XL-5 crawler and the TRX-6 Ultimate RC Hauler with Winch. Always verify your specific model number matches the compatibility list before ordering.
- Do I need any additional parts to complete the assembly? — The TRX8849 is designed as a drop-in replacement or upgrade for the output drive, transmission, or differential in your TRX-6. Depending on whether you're rebuilding or replacing, you may need external half shafts (the manufacturer recommends 6853A or 6854A), but the output drive itself comes fully assembled with all internal components included.
- Why would I need to replace my output drive? — Output drives experience wear and tear over time, especially if you regularly bash your TRX-6 over rough terrain, rocks, and obstacles. Signs you might need replacement include grinding noises from the transmission, difficulty transferring power to the wheels, or visible damage to the drive components. Keeping a spare TRX8849 ensures you can get back on the trails quickly without waiting for repairs.
- Is this suitable for beginners? — Whilst the TRX8849 is a genuine Traxxas component, installation and assembly require intermediate mechanical knowledge and proper tools. If you're new to RC vehicle maintenance, we'd recommend either having a experienced RC technician install this part, or watching Traxxas instructional videos and following their detailed assembly guide carefully. The component itself is extremely reliable—it's the installation that requires care.
- Will this improve my TRX-6's performance? — If you're replacing a worn or damaged output drive with this genuine Traxxas component, you'll notice improved power transfer, smoother operation, and more predictable handling. However, this is a maintenance part rather than a performance upgrade—its primary benefit is restoring your vehicle to like-new condition rather than enhancing speed or capability beyond the manufacturer's specifications.
- How often should I replace my output drive? — The lifespan of an output drive depends entirely on your usage. Casual weekend crawlers might go years without needing replacement, whilst competition-level vehicles or those used in extremely rocky terrain might require more frequent maintenance. Regular inspection for wear and listening for unusual transmission noises will help you determine when replacement is necessary.
- What makes this better than aftermarket alternatives? — This is a genuine Traxxas OEM (original equipment manufacturer) part, engineered specifically for your TRX-6 platform using the exact materials and tolerances Traxxas designed your vehicle with. Aftermarket alternatives might fit, but genuine Traxxas parts ensure perfect compatibility, consistent quality, and the performance your crawler was engineered to deliver.
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 Output drive, transmission or Differential (pin retainer (1pc) / drive cup (1pc) / drive ball (1pc) / centre ball (1pc) / drive pin (1pc) / 3x10 screw pin (1pc) / Cross Pin (Black) (1pc) / 2.5x6 CS (with threadlock) (1pc)) (use with TRX-6 TRX8849 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: TRX8849
- Brand: Traxxas
- Product Type: Transmission or Differential Output Drive Assembly
- Vehicle Compatibility: Traxxas TRX-6 6x6 Crawler
- Compatible Models: TRX88296-4-SLVR (Mercedes-Benz G 63 AMG XL-5 Silver), TRX88296-4-BLK (Mercedes-Benz G 63 AMG XL-5 Black), TRX88086-84-BLK (Ultimate RC Hauler with Winch Black)
- Axle Configuration: 6x6
- EAN Code: 020334884909
- Spare Part Type: Chassis Spares
- Package Contents: Pin retainer (1 piece), Drive cup (1 piece), Drive ball (1 piece), Centre ball (1 piece), Drive pin (1 piece), 3x10 screw pin (1 piece), Cross pin in black (1 piece), 2.5x6 countersunk screw with threadlock (1 piece)
- Additional Components Available: Requires 6853A or 6854A external half shafts for complete driveshaft assembly
- Material: Precision-machined steel components with threadlock-treated fasteners
- Fastener Specifications: 2.5x6 countersunk screw with integrated threadlock compound
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