Overview
The Traxxas Planetary Gear Differential (complete) TRX2388 is an essential replacement or upgrade component for RC car enthusiasts across the UK who demand precision engineering and reliable performance. This complete planetary gear differential assembly represents Traxxas's commitment to delivering OEM-quality spare parts that keep your RC model performing at its best, whether you're a competitive racer, weekend basher, or dedicated hobby enthusiast. As a critical drivetrain component found in numerous Traxxas models, this differential ensures smooth power delivery and optimal handling characteristics across a wide range of driving conditions.
Whether you're maintaining your existing RC vehicle or building a custom setup, having access to genuine Traxxas spare parts like this planetary gear differential is crucial for maintaining the performance and longevity of your machine. The complete assembly design means you receive a fully integrated unit ready for installation, eliminating the need to source individual components separately. This ready-to-install approach saves time and ensures compatibility with your specific Traxxas model, making it an ideal choice for RC car owners who want to get back to driving quickly without compromising on quality.
For UK-based RC enthusiasts shopping for replacement differentials, the Traxxas Planetary Gear Differential TRX2388 offers the reliability and performance you expect from Traxxas's engineering expertise. Whether your current differential has worn out after intensive use or you're looking to refresh your RC vehicle's drivetrain, this component represents excellent value and proven performance that keeps your RC model running smoothly mile after mile.
Key Features
- Complete Assembly Design — This differential ships as a fully assembled, ready-to-install unit, which means you don't need to spend time disassembling, adjusting, or rebuilding individual planetary gears and shafts before installation, saving you valuable setup time.
- Planetary Gear Technology — The planetary gear configuration provides precise differential action that allows your RC vehicle's wheels to maintain optimal traction whilst turning, which is essential for smooth cornering and preventing wheelspin in tight turns.
- Genuine Traxxas Engineering — As an authentic Traxxas component manufactured to OEM specifications, this differential maintains the exact performance characteristics that your RC model was designed for, ensuring consistent handling and durability.
- Sealed Differential Housing — The complete assembly includes the sealed differential case that houses the planetary gears, protecting them from dirt, moisture, and debris whilst keeping the diff fluid or grease securely contained where it belongs.
- Direct Replacement Component — This TRX2388 assembly is designed as a direct replacement for worn or damaged differentials in compatible Traxxas models, ensuring perfect fitment and eliminating compatibility guesswork.
- Durable Construction — Traxxas components are engineered for the demands of RC racing and bashing, with precision-manufactured gears and housings designed to withstand high-torque applications and prolonged use.
Technical Performance
The Traxxas Planetary Gear Differential represents precision engineering at its finest, incorporating planetary gear technology that's fundamental to modern RC vehicle performance. The planetary gear system works by using smaller gears orbiting around a central sun gear, allowing controlled differential action between the left and right wheels during acceleration, deceleration, and cornering. This design enables smooth power distribution whilst preventing wheel spin and maintaining traction in demanding driving conditions. The complete assembly includes all necessary components: the planetary gears themselves, the planetary shafts that support them, the sun gear at the centre, and the sealed differential case that houses the entire mechanism. Like all Traxxas 4X4 models and vehicles with 4s, 6s, and 8s power systems, this differential requires proper lubrication to maintain optimal performance and component longevity. According to Traxxas's official lubrication guide, the planetary gears inside the differential case should be given a thick coating of grease during assembly, as these small gears work very hard under load. The close confines of the differential case ensure the grease circulates through the gear meshes, providing continuous lubrication during operation. Traxxas offers several differential fluid options ranging from 10,000 weight silicone oil (for lighter applications) through to 20,000,000 weight (for the largest and heaviest trucks), so selecting the correct lubricant for your specific model is essential. The precision-manufactured gears and bearings within this differential are built to withstand the stresses of both competition racing and aggressive bashing, making this a reliable long-term investment in your RC vehicle's performance.
What's in the Box
- Traxxas Planetary Gear Differential complete assembly (TRX2388)
- Sealed differential housing with integrated case
- Planetary gear set with sun gear
- Planetary shafts
- Internal bearing components
Lubrication Requirements
Proper lubrication is absolutely critical for differential performance and longevity. For planetary gears, Traxxas recommends applying a thick coating of grease to the sun gear, planetary gears, and planetary shafts during assembly. The specific differential fluid weight you'll need depends on your particular Traxxas model and driving conditions. Traxxas offers Premium Differential Fluids in various viscosities including 10,000 weight, 30,000 weight, 50,000 weight, and specialist oils for extreme applications. Consult your vehicle's instruction manual to determine the correct differential fluid specification for your model, as using the wrong viscosity can negatively impact performance and component wear. Never neglect differential maintenance, as proper lubrication directly extends the service life of this critical component and maintains the handling characteristics your RC model was engineered to deliver.
Frequently Asked Questions
- What exactly is a planetary gear differential and why is it important for my RC car? — A planetary gear differential uses a system of small gears (planetary gears) orbiting around a central sun gear to control how power is distributed between your RC vehicle's left and right wheels. This is essential because it allows the wheels to turn at different speeds during cornering whilst still receiving power, which improves traction, reduces wheelspin, and provides better handling control. Without a functioning differential, your RC car would struggle with tight turns and would be difficult to drive smoothly.
- Is the Traxxas Planetary Gear Differential TRX2388 a direct replacement part? — Yes, this is designed as a direct replacement component for compatible Traxxas models. However, before purchasing, verify that the TRX2388 is the correct differential assembly for your specific vehicle by checking your owner's manual or contacting Traxxas customer support, as different Traxxas models may use different differential components.
- What lubrication does this differential need, and how often should I maintain it? — The planetary gears inside this differential require a thick coating of grease during initial assembly. The specific differential fluid weight depends on your model; Traxxas offers options ranging from 10,000 weight to 50,000 weight silicone oils for standard models, with specialist 20,000,000 weight fluid available for largest trucks. Consult your vehicle manual for the correct specification. During regular maintenance, ensure the differential case remains sealed and the grease/oil remains at proper levels, checking during routine service intervals.
- Can I install this differential myself, or do I need professional help? — Most RC enthusiasts with basic mechanical skills can install this complete differential assembly using standard RC model tools. The complete assembly design means you don't need to rebuild individual components. However, if you're unfamiliar with RC vehicle maintenance, your local RC shop or authorised Traxxas retailer can assist with installation, ensuring everything is properly torqued and sealed.
- How long will this differential last before needing replacement? — With proper lubrication and maintenance, the Traxxas Planetary Gear Differential should provide many hours of reliable performance. However, wear depends on usage intensity, driving style, and environmental conditions. Regular inspection during maintenance and prompt re-lubrication when needed will maximise service life and performance.
- Which Traxxas models use this TRX2388 differential? — The TRX2388 is used in various Traxxas 4WD and 4X4 models. To confirm compatibility with your specific vehicle, check your owner's manual parts list or contact Traxxas technical support directly to ensure you're ordering the correct differential for your model.
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 Planetary gear Differential (complete) TRX2388 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: Traxxas Planetary Gear Differential (complete)
- Part Number: TRX2388
- EAN: 0020334238801
- Type: Planetary gear differential assembly
- Configuration: Complete sealed assembly, ready to install
- Includes: Planetary gears, sun gear, planetary shafts, sealed differential housing, bearing components
- Recommended Lubrication: Thick grease coating on planetary gears, sun gear, and planetary shafts during assembly
- Compatible Differential Fluid Weights: 10,000 wt, 30,000 wt, 50,000 wt silicone oil (consult vehicle manual for specific model requirement)
- Application: Traxxas 4WD and 4X4 models with sealed differentials
- Design: Sealed case prevents dirt and moisture ingress, contains lubrication
- Gear System: Planetary configuration allowing differential wheel speed control during cornering
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.
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