FTX Outback 3.0 Internal Gearbox Gears Replacement Spare Part FTX8138

Overview

The FTX Outback Gear Internal Gears FTX8138 are essential drivetrain components designed specifically for the FTX Outback 3.0 trail crawler series. These precision-engineered internal gears are critical replacement parts for maintaining optimal performance and durability in your RC crawler. Whether you're a dedicated RC enthusiast in the UK looking to keep your trail crawler running at peak performance, or you've experienced wear on your gearbox internals, these genuine FTX replacement gears ensure your vehicle continues to deliver the reliability and performance you expect from a quality RC car.

As a dedicated spare part for the FTX Outback range, these internal gears are manufactured to the exact specifications required for proper fit and function within the complete gearbox assembly. The FTX Outback series has earned respect among RC crawling enthusiasts for its impressive trail performance and durable construction, and keeping these critical drivetrain components in excellent condition is essential to maintaining that standard. These internal gears work in harmony with the rest of your drivetrain to transfer power efficiently from the motor through the transmission system to the wheels, ensuring smooth acceleration and reliable off-road performance.

If you're running an FTX Outback 3.0 RTR (Ready to Run) model in any of the available colour variants—whether the Paso Yellow, Treka Orange, Paso Blue, or Treka Blue—having genuine replacement gears on hand is a prudent investment for any serious RC crawler owner. These components are subject to wear during regular use, particularly if you engage in aggressive trail running or rocky terrain exploration, making them one of the most important spare parts to stock for your collection.

Key Features

• Genuine FTX Manufacturer Parts — These internal gears are authentic components manufactured by FTX, ensuring they meet the precise engineering specifications and quality standards required for your Outback 3.0 trail crawler, providing peace of mind that you're installing factory-correct parts.
• Drivetrain Spares Category — Classified as core drivetrain spares, these gears are fundamental to your vehicle's power transmission system, making them among the most critical components for maintaining reliable performance during extended trail running sessions.
• Direct Compatibility with FTX Outback 3.0 Models — Specifically engineered to fit the FTX Outback 3.0 RTR series across all available variants, including the Paso and Treka body styles in yellow, orange, and blue colour options, ensuring perfect fitment without modification.
• Precision Engineering — The internal gears are machined to exact tolerances to ensure smooth mesh with other drivetrain components, reducing noise, vibration, and power loss while maximising the efficiency of your power transfer from motor to wheels.
• Essential Maintenance Component — Regular inspection and replacement of internal gears as needed helps prevent catastrophic gearbox failure and extends the overall lifespan of your RC crawler's transmission system, protecting your investment.
• Affordable Spare Part Solution — At just £6.99, these replacement gears represent an economical way to maintain your vehicle's drivetrain without requiring a complete and more expensive gearbox replacement.

Technical Performance

The FTX Outback Gear Internal Gears FTX8138 represent precision-engineered drivetrain components that form the heart of the power transmission system in the FTX Outback 3.0 trail crawler series. These internal gears work within the complete gearbox assembly (sold separately as FTX8142) alongside the main gear set (FTX8137, a 60-tooth 0.5 modulus setup) and the motor pinion gear (FTX8136, 16 teeth) to create an efficient power delivery system. The gears are manufactured from durable materials capable of withstanding the demands of serious off-road trail running, where rocks, roots, and challenging terrain place considerable stress on the drivetrain. Built to work seamlessly with the FTX 370-size brushed motor (FTX8176, featuring a 2mm shaft) commonly fitted to the Outback series, these gears ensure consistent and reliable power transfer during acceleration and sustained running. The engineering tolerances are maintained to manufacturer specifications to guarantee smooth meshing with adjacent drivetrain components, minimising backlash and maximising efficiency. Whether you're running your RC trail crawler through rocky terrain, navigating obstacles, or enjoying extended play sessions, maintaining healthy internal gears is crucial for preventing noise, vibration, and premature failure of the complete drivetrain system.

What's in the Box

• FTX Outback Gear Internal Gears set (FTX8138)

What You Need to Complete

• Complete Gearbox assembly (FTX8142) to house the internal gears
• Gear Cover (FTX8139) to protect the gears from debris and damage
• Main Gear Set 60-tooth 0.5 modulus (FTX8137) for proper drivetrain operation
• Motor Pinion Gear 16-tooth (FTX8136) to mesh with the main gear

Frequently Asked Questions

• Which FTX Outback models are compatible with the FTX8138 internal gears? — These internal gears are specifically designed for the FTX Outback 3.0 RTR series, including the Paso and Treka body variants available in yellow, orange, and blue colour options. They work within the standard gearbox assembly fitted to these models.
• How often should I replace the internal gears on my FTX Outback RC crawler? — Internal gear replacement is typically needed only when visible wear, damage, or performance degradation occurs, such as grinding noises, slipping, or loss of power transmission efficiency. Regular inspection during maintenance intervals helps identify problems early and prevent catastrophic failure.
• What is the difference between internal gears and other gear components in the drivetrain? — Internal gears work within the gearbox housing to transmit power efficiently, whilst the main gear set (FTX8137) and motor pinion gear (FTX8136) are external components. All work together as a complete system to deliver power from the motor to the wheels.
• Can I use these gears with other FTX RC car models? — These internal gears are specifically engineered for the FTX Outback 3.0 trail crawler series. FTX manufactures different gearbox internals for other models in their range, so compatibility is limited to the Outback 3.0 variant.
• Is replacement straightforward for an average RC hobbyist in the UK? — Gearbox work requires some mechanical skill and the right tools. Most UK RC retailers, including RC Model Shop, can provide guidance on installation, and many enthusiasts prefer to service their gearboxes as part of regular maintenance routines.
• What causes internal gear wear and damage? — Aggressive driving, impacts with rocks or obstacles, sand or debris ingestion, and inadequate lubrication can all contribute to internal gear wear. Running your crawler through extreme terrain increases stress on these components.

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 FTX Outback Gear Internal Gears FTX8138 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.