Traxxas TRX-4 Metal Transmission Gear Set 18T 30T 36T Crawler Upgrade TRX8293X

Overview

The Traxxas Transmission Gear Set (metal) TRX8293X is an essential upgrade component designed specifically for the TRX-4 1/10 scale 4WD crawler platform. This precision-engineered transmission gear set replaces the standard gears with a metal construction, delivering enhanced durability and performance for serious RC enthusiasts in the UK who demand reliability on challenging terrain. Whether you're tackling rocky trails, steep inclines, or demanding obstacle courses, this metal gear set provides the strength and consistency needed to keep your TRX-4 performing at its best.

Built by Traxxas, a globally recognised leader in RC vehicle technology, this gear set represents a direct upgrade path for owners looking to improve their TRX-4's transmission reliability and longevity. The metal composition offers significantly greater durability compared to standard plastic gears, making it an ideal choice for competitive trail crawling, bashful weekend adventures, or any serious RC crawler work. If you're searching for quality TRX-4 upgrades in the UK or looking to maintain your trail crawler with premium components, this metal transmission gear set is the solution.

RC Model Shop stocks this genuine Traxxas component as part of our comprehensive range of tune-up options and performance upgrades. Whether you need replacement gears due to wear, or you're proactively upgrading a new TRX-4 build, this gear set offers authentic Traxxas engineering and quality assurance.

Key Features

• Metal Construction — This gear set is manufactured from metal rather than plastic, providing substantially greater strength, durability and resistance to wear during intense off-road use. Metal gears maintain their precision tolerances longer and are less prone to stripping under load, which is critical when crawling over obstacles or navigating steep terrain.
• Precision Gear Ratios — The set includes an 18-tooth input gear, a 30-tooth input gear, and a 36-tooth output gear, delivering optimised power delivery and torque characteristics specifically calibrated for the TRX-4 platform. These ratios are engineered to balance speed and crawling ability, providing the ideal performance envelope for trail crawler applications.
• Complete Transmission Package — Beyond the three primary gears, this set includes five pairs of 2x10.3mm pins essential for proper gear assembly and operation. These pins are precision-manufactured to ensure correct gear meshing and alignment, eliminating compatibility concerns during installation.
• TRX-4 Compatibility — This transmission gear set is engineered exclusively for the entire TRX-4 model family, including the Chevrolet K10 Cheyenne High Trail Edition (available in black, metallic copper, and metallic blue), the Ford F-150 Ranger XLT High Trail Edition (in blue, black, and brown), the 1972 Chevrolet K5 Blazer High Trail Edition (red and blue versions), the 1979 Chevy Blazer with clipless body (red and black), the Nissan Pathfinder SE-V6 3S RTR (silver and red versions), the 2021 Ford Bronco 1/10 crawler (orange, black, red, and white options), the Defender 4WD with clipless mounting (green, sand, red, and silver), as well as the TRX-6 and chassis kits.
• Authorised Traxxas Component — As a genuine Traxxas part, this gear set meets the manufacturer's strict quality standards and guarantees compatibility with your TRX-4 without fitment issues or modification requirements.
• Direct Replacement Upgrade — Installation is straightforward for users familiar with basic RC maintenance, allowing you to upgrade your transmission without requiring extensive mechanical knowledge or specialised tools beyond standard RC hobby equipment.

Technical Performance

The Traxxas TRX8293X transmission gear set represents a significant performance and durability upgrade for any TRX-4 1/10 scale 4WD crawler. The decision to use metal construction rather than plastic is fundamental to understanding this component's value proposition. Metal gears offer superior hardness, wear resistance, and load-bearing capacity compared to injection-moulded plastic alternatives. When you're crawling over rocks, navigating through mud, or climbing steep rock faces, the transmission experiences enormous rotational forces and shock loads. Standard plastic gears, whilst initially adequate, gradually wear, develop backlash, and eventually strip their teeth under sustained stress. Metal gears maintain their precise tooth profiles indefinitely, ensuring consistent power delivery and crawling characteristics even after hundreds of hours of use.

The specific gear ratio configuration—18T input, 30T input, and 36T output—has been carefully engineered by Traxxas to optimise the TRX-4's performance across its intended use cases. This configuration provides a balance between crawling speed and available torque, allowing the vehicle to traverse obstacles methodically whilst maintaining sufficient drivetrain response for dynamic trail manoeuvres. The metal pins supplied (2x10.3mm, five pairs) ensure precise gear meshing, eliminating wobble or misalignment that could otherwise develop as the vehicle ages. Correct gear alignment is critical for smooth operation, minimal noise generation, and maximised power transmission efficiency. By including these pins as part of the complete set, Traxxas eliminates guesswork and ensures optimal installation results. For UK RC enthusiasts committed to long-term trail crawler ownership, investing in metal transmission gears transforms the TRX-4 from a capable stock platform into a truly robust, competition-ready machine capable of handling years of demanding use.

What's in the Box

• 18-tooth input gear (metal)
• 30-tooth input gear (metal)
• 36-tooth output gear (metal)
• 2x10.3mm transmission pins (5 pairs)

Frequently Asked Questions

• Which TRX-4 models are compatible with the TRX8293X gear set? — This transmission gear set is compatible with the full range of TRX-4 crawlers, including the Chevrolet K10 Cheyenne High Trail Edition (all colour variants), Ford F-150 Ranger XLT High Trail Edition (blue, black, and brown), 1972 Chevrolet K5 Blazer High Trail Edition (red and blue), 1979 Chevy Blazer with clipless body (red and black), Nissan Pathfinder SE-V6 3S RTR (silver and red), 2021 Ford Bronco 1/10 crawler (orange, black, red, white), Defender 4WD with clipless mounting (green, sand, red, silver), TRX-4 unassembled chassis kit, TRX-6 Mercedes-Benz G 63 AMG XL-5, and TRX-6 Ultimate RC Hauler with winch. If you own any TRX-4 variant, this gear set will work with your vehicle.
• Why should I upgrade to metal gears instead of keeping the factory plastic gears? — Metal gears offer substantially superior durability and longevity compared to plastic alternatives. If you use your TRX-4 regularly for trail crawling, rock climbing, or competitive courses, the factory plastic gears will eventually wear, develop backlash, and potentially strip. Metal gears maintain their precision indefinitely, ensuring consistent performance over thousands of operating hours. Additionally, metal gears generate less noise, transmit power more efficiently, and provide peace of mind knowing your transmission can handle the demands of serious crawling.
• Is installation of this gear set difficult for a beginner? — Whilst installation is more advanced than simply charging a battery, it is not beyond the capability of a moderately experienced RC hobbyist with basic mechanical aptitude. You will need to partially disassemble your TRX-4's transmission, carefully remove the old gears, and install the new metal gears with the provided pins. Access to an RC hobby manual specific to transmission work is recommended. If you are uncomfortable performing this work yourself, many UK RC retailers and hobby shops offer transmission service and upgrade installations for a reasonable fee. Contact RC Model Shop for advice on professional installation options.
• What is the difference between this metal gear set and other TRX-4 transmission upgrades? — The TRX8293X specifically uses metal construction rather than plastic, providing the primary performance differentiation. The gear ratios (18T input, 30T input, 36T output) are engineered specifically for the TRX-4 platform and represent Traxxas's original specification. By using factory Traxxas gears rather than aftermarket alternatives, you maintain guaranteed compatibility, maintain vehicle warranty validity where applicable, and receive components tested extensively by the manufacturer. As a genuine Traxxas component, this gear set has undergone rigorous quality assurance protocols.
• How long do metal transmission gears typically last? — Metal gears last significantly longer than plastic alternatives. With proper maintenance and care, metal transmission gears can provide thousands of hours of reliable service without requiring replacement. Lifespan depends on usage intensity, terrain difficulty, maintenance frequency, and proper assembly. Regular inspection for excessive wear, lubrication of transmission components, and prompt replacement of any worn pins or bearings will maximise gear life. Most UK RC enthusiasts find that metal gears outlast the plastic gears by a factor of five or more.
• Can I install this gear set myself or should I have a professional do it? — Installation can be performed by yourself if you have experience working on RC transmissions and access to the necessary tools (typically small wrenches, a transmission tool, and basic hand tools). However, if you lack experience or confidence, professional installation through an authorised Traxxas dealer or experienced RC hobby shop is strongly recommended. Improper installation can result in misaligned gears, noise, binding, or transmission failure. If you choose to install yourself, consult your TRX-4 manual, take photographs before disassembly to reference during reassembly, and work methodically to ensure correct positioning of all components and pins.
• Is this transmission gear set road-legal or suitable only for off-road use? — This is a component designed for off-road trail crawling use on RC vehicles. The TRX-4 itself is an unpowered 1/10 scale model crawler intended for hobby use on private property, off-road terrain, and dedicated RC tracks. This gear set is not applicable to any real-world vehicle use and is exclusively for RC hobby applications.

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 Transmission Gear Set (metal) TRX8293X 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.