Overview
The Traxxas Differential Output Cup TRX9583 is an essential drivetrain component for owners of the Traxxas Sledge Belted 1/8 scale 4WD brushless electric monster truck. This hardened steel differential output cup is engineered to withstand the demanding forces generated by high-performance RC driving, making it a critical spare part for competitive racers and serious enthusiasts across the UK. Whether you are bashing at the weekend or competing in organised events, maintaining genuine OEM Traxxas parts ensures your RC monster truck performs at its absolute best and remains reliable through countless hours of driving.
Differential output cups are responsible for transferring rotational power from the differential carrier to the axle shafts, which ultimately drive the wheels. This component endures tremendous stress during acceleration, cornering, and off-road terrain navigation. The hardened steel construction of the TRX9583 provides superior durability compared to standard materials, resisting wear, deformation and fatigue even under extreme driving conditions. For owners of Traxxas Sledge models seeking replacement parts or those building a spare differential assembly, this is the authentic, manufacturer-approved component you need.
As an authorised Traxxas retailer, RC Model Shop stocks this genuine differential output cup as part of our comprehensive range of Traxxas spare parts and upgrade components. RC car enthusiasts in the UK trust Traxxas for quality, innovation and performance, and maintaining your model with genuine parts is the best way to preserve that investment and enjoy reliable, consistent performance.
Key Features
- Hardened Steel Construction — The differential output cup is manufactured from hardened steel, which provides exceptional strength and resistance to wear compared to softer materials. This hardening process increases the surface hardness whilst maintaining core toughness, allowing the component to endure repeated impact loads and high torque transmission without permanent deformation or failure.
- Compatible with 2.5x12mm Pin — The cup is engineered to work with a 2.5x12mm pin that secures the connection between the differential carrier and the axle shaft. This precise fit ensures smooth power transfer and eliminates play or looseness that could compromise handling or cause drivetrain noise and vibration.
- Front or Rear Application — This is a versatile component that functions identically in both the front and rear differentials of your Traxxas Sledge, making it convenient to stock as a spare without worrying about left and right orientation or front versus rear specification. This universal fitment simplifies replacement and repair.
- OEM Traxxas Part — As the original equipment manufacturer component, this differential output cup is engineered to Traxxas' exact specifications and quality standards, ensuring perfect fitment, optimal performance and longevity. Using genuine OEM parts protects your warranty and guarantees compatibility with your model.
- Critical Drivetrain Component — The differential output cup is a fundamental part of the drivetrain system that directly affects power delivery, acceleration response and overall vehicle dynamics. Replacing a damaged or worn cup restores the performance and feel of your RC monster truck to factory specification.
Technical Performance
The Traxxas Differential Output Cup TRX9583 is a precision-engineered drivetrain component manufactured from hardened steel to maximise durability under the extreme conditions encountered in modern RC off-road racing and bashing. The 2.5x12mm pin interface represents Traxxas' engineering standard for the 1/8 scale Sledge platform, ensuring that replacement cups maintain the exact same mechanical properties, torque transmission capacity and fit tolerance as original components. Hardened steel offers superior hardness compared to standard steel or aluminium alternatives, providing enhanced resistance to surface wear from repeated engagement and disengagement with the drive pin, as well as protection against scoring or galling. The differential output cup operates within the complete differential assembly alongside the carrier, cross pins and axle shafts, working together to distribute engine torque to the left and right wheels whilst allowing for speed differentiation during cornering. This is a solid, no-nonsense engineered part that requires no adjustment, tuning or configuration—simply install it and enjoy reliable performance. Traxxas' reputation for quality manufacturing means this component will provide years of dependable service for RC enthusiasts across the UK, whether used in casual weekend driving or competitive tournament environments.
What's in the Box
- 1x Traxxas Differential Output Cup, hardened steel (TRX9583)
Frequently Asked Questions
- What is a differential output cup and why would I need a replacement? — The differential output cup is the component that connects the differential carrier to the axle shaft, transmitting rotational power to drive your RC monster truck's wheels. Over time, through intensive use, impact with obstacles, or aggressive driving, this component can wear, crack or become damaged. A replacement cup restores smooth power delivery and eliminates grinding noises or vibrations that indicate internal drivetrain damage. This is one of the most commonly replaced drivetrain wear items in high-performance 1/8 scale RC models.
- Is the TRX9583 compatible with my Traxxas Sledge? — Yes, this differential output cup is specifically designed for the Traxxas Sledge Belted 1/8 4WD brushless electric monster truck. It is compatible with all colour variants including the blue, orange, green and red versions. The part number TRX9583 is the original equipment component for this model line.
- Can I use this cup in both front and rear differentials? — Yes, the TRX9583 is designed for universal front or rear application. Unlike some differential components that differ between front and rear, this output cup functions identically in both positions, giving you flexibility when stocking spare parts or performing maintenance.
- What material is this differential output cup made from? — The TRX9583 is manufactured from hardened steel, which provides superior durability compared to standard or soft steel. The hardening process increases surface hardness to resist wear and scoring from the 2.5x12mm drive pin, whilst maintaining toughness in the core material to absorb impact and vibration loads without cracking.
- How often should I replace my differential output cups? — Replacement frequency depends on driving intensity, terrain and maintenance practices. Casual bashers may find cups last for hundreds of runs, whilst competitive drivers using higher gearing and more aggressive driving styles may need replacements every few months. Inspect cups regularly for visible cracks, excessive wear, or play between the cup and pin—any of these signs indicate replacement is needed.
- Do I need to buy both front and rear cups at the same time? — Not necessarily. You can replace cups individually as needed. However, many owners prefer to purchase a spare TRX9583 to keep on hand in case of drivetrain failure during an event or driving session, allowing quick swaps without waiting for delivery.
- Will this part improve my RC truck's performance? — As a wear item rather than an upgrade, the TRX9583 restores your truck to factory performance levels when used as a replacement. If your current cup is damaged, installing a new one will eliminate any loss of power delivery, vibration, or noise associated with worn components, making your truck feel responsive and tight again.
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 Differential output cup, front or rear (hardened steel) / 2.5x12mm pin TRX9583 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.
- Part Number: TRX9583
- EAN Code: 020334958303
- Brand: Traxxas
- Component Type: Differential Output Cup
- Application: Front or Rear Differential
- Material: Hardened Steel
- Pin Size: 2.5x12mm
- Compatible Models: Traxxas Sledge Belted 1/8 4WD Brushless Electric Monster Truck (all colour variants including blue, orange, green and red)
- Spare Part Category: Drivetrain Spares
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.
- Most of our products include delivery in the price. If your order is under £90, a small delivery fee will apply but do not worry this will always be clearly shown at checkout before you complete your purchase.
- Depending on what you choose at checkout, your order will usually be delivered either the next working day or within 2 working days. For next day delivery please place your order before 2:00pm. Orders are dispatched Monday to Friday only. Some items may take a little longer and if that is the case we will always show the expected delivery time on the product page.
- If your order includes items with different dispatch times we will normally wait and send everything together once all items are in stock. If one of the items is going to take a while we will give you the choice either wait for everything to arrive or let us send the available items now and deliver the rest later. It is up to you.
- We use trusted delivery partners to make sure your order gets to you safely and on time. We use DPD for next working day deliveries and Royal Mail for the 2 day option.
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- If a product is marked as "Dispatched within 3 working days" delivery usually takes around 3 to 5 working days from when your order is placed.
- For customers in Inverness and other parts of the Scottish Highlands deliveries can take up to 2 working days even if you select next day delivery as couriers do not currently offer a guaranteed next day service to those areas.
