Overview
The UDI RC UCX24 Centre Transmission Assembly (Brushed) is a genuine spare part designed for the UCX24 range of 1/24 scale RC rock crawlers. Whether your transmission has worn out after extensive crawling sessions or you're looking to upgrade with a backup component, this centre transmission assembly is the perfect solution for keeping your mini off-road rig in peak condition. Built with all-metal construction throughout, this spare part delivers the durability and reliability that RC enthusiasts expect from UDI RC, one of the leading manufacturers of ready-to-run RC vehicles in the UK market.
This transmission assembly is compatible with multiple UCX24 models including the UCX2405PROB Brushless 4WS, UCX2405Y Yellow Brushed, UCX2405B Black Brushed, UCX2405PROY Brushless 4WS Yellow, and the UCX2405BU1 Pre-Owned Black variant. If you own any of these compact 1/24 crawlers, having a spare centre transmission assembly on hand means you can keep your vehicle running without downtime, whether you're tackling technical terrain at your local trail or enjoying backyard crawling adventures. RC car enthusiasts across the UK will appreciate the value of quality spare parts that maintain the performance and longevity of their machines.
Key Features
- All-Metal Gear Construction — The centre transmission assembly features a fully metal gear set that is built to withstand the high torque demands of rock crawling and technical terrain navigation. Metal gears provide superior durability compared to plastic alternatives, ensuring reliable power transfer and extending the lifespan of your drivetrain, which is especially important when tackling demanding obstacles and steep climbs.
- 3-Speed Mechanical Transmission System — This centre transmission integrates into the vehicle's mechanical shifting system, offering three selectable gears for versatile performance. Low gear delivers maximum torque and precise control for technical crawling, neutral provides free roll capability for tactical repositioning, and high gear enables faster runs across open terrain, making this transmission system adaptable to any driving situation.
- Integrated Bevel Gears — The assembly includes integrated bevel gears that work seamlessly with the axle gears and front/rear solid axles of the UCX24 platform. These precision-engineered components ensure smooth, efficient power delivery to all four wheels, which is critical for maintaining traction and control across rocky, uneven surfaces and technical crawling sections.
- Centre-Mounted Gearbox Design — The centre-mounted positioning of this transmission gearbox maintains the balanced, symmetrical chassis layout of the UCX24 platform. This design philosophy ensures optimal weight distribution and handling characteristics, which directly translates to improved stability and control during challenging terrain navigation.
- OEM Quality Spare Part — As a genuine UDI RC spare part, this centre transmission assembly meets the same quality standards and specifications as the original equipment, giving you confidence that you are installing a component that will perform identically to the factory unit.
Technical Performance
The UDI RC UCX24 Centre Transmission Assembly (Brushed) is engineered as part of the complete drivetrain system found in the UCX24 1/24 scale rock crawler platform. This transmission system works in harmony with the 1212 brushless outrunner motor and integrated ESC that power compatible models, managing power delivery through a 3-speed mechanical shifting arrangement that enables drivers to select the optimal gear ratio for any terrain condition. The all-metal construction of the gear set ensures the assembly can handle the consistent torque demands of crawling scenarios, where precise, controlled power delivery is more valuable than raw speed. The integration with front and rear solid axles and the vehicle's pro steering system means this transmission assembly contributes to the overall capability of the platform, which features selectable 4-wheel steering modes including opposite steering for ultra-tight turning radius, synchronised steering for smoother wider turns, standard front steering for stability, and rear steering for unique maneuvering control. The symmetrical chassis layout combined with this centre transmission ensures balanced performance characteristics across all driving conditions, from technical rock crawling to high-speed runs on open terrain.
What's in the Box
- 1x UDI RC UCX24 Centre Transmission Assembly (Brushed)
- Installation hardware and fasteners as applicable
Frequently Asked Questions
- Which UCX24 models is this centre transmission assembly compatible with? — This genuine spare part is compatible with the UCX2405PROB Brushless 4WS Black, UCX2405Y Brushed Yellow, UCX2405B Brushed Black, UCX2405PROY Brushless 4WS Yellow, and UCX2405BU1 Pre-Owned Black variants. If you own any of these 1/24 scale UCX24 rock crawlers, this transmission assembly will fit directly into your vehicle.
- Is this a genuine UDI RC spare part? — Yes, this is an original equipment manufacturer (OEM) spare part produced by UDI RC. It meets the same quality and performance standards as the transmission assembly that comes installed on new UCX24 vehicles, ensuring compatibility and performance identical to the factory component.
- Can I use this transmission assembly to upgrade my existing crawler? — This is a direct replacement spare part for the UCX24 platform. If you already own a compatible UCX24 model and wish to have a backup transmission or replace a worn unit, this assembly is the ideal choice. It is not designed for cross-compatibility with other scales or manufacturer platforms.
- What makes all-metal gear construction important for RC crawlers? — All-metal gears offer superior durability and strength compared to plastic alternatives, which is especially critical in rock crawling where vehicles encounter high torque, sudden impacts, and sustained mechanical stress. Metal gears maintain their dimensional integrity over extended use, ensuring consistent power transfer and reducing the risk of gear stripping or failure during demanding terrain.
- How does the 3-speed transmission benefit rock crawling performance? — The three-speed mechanical transmission allows you to optimise engine power delivery to match terrain conditions. Low gear provides maximum torque for climbing obstacles and technical sections, neutral offers free roll for tactical repositioning, and high gear enables faster cruising across open ground. This versatility makes the UCX24 capable across a wide range of driving scenarios without compromising performance in any situation.
- Is professional installation required? — Installation difficulty depends on your mechanical experience. While this is a genuine spare part designed for the UCX24 platform, centre transmission assembly replacement involves removing the chassis from the body and may require basic RC mechanical knowledge. If you are unfamiliar with RC vehicle maintenance, RC Model Shop staff can advise you on the installation process or recommend local RC specialists who offer fitting services.
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 UDI RC UCX24 Centre Transmission Assembly (Brushed) 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.
- Product Type: Centre Transmission Assembly (Spare Part)
- Brand: UDI RC
- Model Number: UCX24-P080
- EAN Code: 5056135788271
- Compatible Vehicles: UCX2405PROB, UCX2405Y, UCX2405B, UCX2405PROY, UCX2405BU1
- Scale: 1/24
- Transmission Type: 3-Speed Mechanical Transmission
- Transmission Positioning: Centre-Mounted Gearbox
- Gear Material: All-Metal Construction
- Gear Set: Full Metal Gear Set
- Integrated Components: Bevel Gears
- Gear Modes: Low Gear (crawling and torque), Neutral (free roll), High Gear (speed)
- Drivetrain Compatibility: Front and Rear Solid Axles with Metal Axle Gears
- Chassis Layout: Symmetrical Design
- Power System Compatibility: 1212 Brushless Outrunner Motor with Integrated ESC
- Steering System Compatibility: Pro 4-Wheel Steering System (4WS)
- Steering Modes Supported: 4WS Opposite, 4WS Synchronised, Front Steering, Rear Steering
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.
- As soon as your order is on its way we will send you a tracking number by email. If you provide your mobile number at checkout we will also send delivery updates straight to your phone so you can keep an eye on progress.
- 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.
