Menu

Z-S2121

Model No: Z-S2121


Dispatched Within 3 Working Days

£20.99

£2.10

£18.89

Inc VAT

In Stock With Supplier
1 Year Warranty
We Accept

Overview

The RC4WD Trail Finder 3 W56 2-Speed Transmission with Transfer Case (Z-S2121) represents a serious upgrade for scale RC enthusiasts looking to enhance their Trail Finder 3 platform. This precision-engineered transmission and transfer case assembly is purpose-built for rock crawling and extreme off-road terrain, delivering authentic scale performance that discerning RC car UK hobbyists demand. Whether you're tackling rocky trails, steep inclines, or challenging obstacles, this two-speed transmission system provides the versatility and durability needed for serious scale RC adventures.

Designed and manufactured by RC4WD, a recognised leader in scale RC solutions, this transmission assembly combines CNC machined precision with hardened steel components to withstand the demanding conditions of trail running and rock crawling. The integrated transfer case allows drivers to select between different gear ratios on the fly, giving you the flexibility to adapt to varying terrain and driving conditions. This is not simply a replacement part—it's a complete drivetrain solution that elevates your RC crawler's capability and authenticity.

Perfect for experienced RC hobbyists and those who have invested in the Trail Finder 3 platform, this transmission system is engineered for reliability and performance. RC enthusiasts across the UK who demand quality scale drivetrain components will appreciate the engineering excellence built into every component.

Key Features

  • 2-Speed Transmission with Transfer Case — This transmission system incorporates two distinct speed ranges along with an integrated transfer case, allowing you to switch between high and low gear ratios to suit different terrain. This feature is essential for scale rock crawling, enabling you to tackle steep climbs and technical obstacles with appropriate power delivery.
  • CNC Machined Construction — Every component is precision-machined using CNC technology, ensuring perfect tolerances and reliable performance. This manufacturing process guarantees consistency across all gears and transmission parts, resulting in smooth operation and extended component lifespan.
  • Hardened Steel Gears — The gears featured in this transmission are manufactured from hardened steel, providing exceptional durability and resistance to the tremendous forces generated during rock crawling and extreme off-road driving. Steel gears resist stripping and cracking far better than plastic alternatives.
  • Scale Authenticity — Designed to replicate the functionality of real-world off-road vehicle transmissions, this component adds a layer of realism and authentic operation to your scale RC crawler, making it a favourite among purist RC enthusiasts who value functional accuracy.
  • Compatible with Trail Finder 3 Platform — This transmission assembly is specifically engineered to integrate seamlessly with the RC4WD Trail Finder 3 chassis, including compatibility with the RTR models featuring the Mojave II hard body set, ensuring perfect fitment and performance.
  • Lightweight Design — Despite its robust construction, the transmission assembly is engineered to minimise weight while maintaining exceptional strength, helping to preserve your crawler's balance and manoeuvrability on technical terrain.

Technical Performance

The RC4WD Trail Finder 3 W56 2-Speed Transmission represents the pinnacle of transmission engineering for 1/10 scale RC crawlers. Built with CNC machined precision and featuring hardened steel gears throughout, this transmission assembly delivers the durability and performance required for serious trail running. The two-speed configuration allows operators to select appropriate gear ratios for any situation—lower gears for extreme traction and power delivery during steep ascents and rocky terrain, or higher gears for faster movement across more open ground. The integrated transfer case design means you're getting a complete drivetrain solution in one assembly rather than piecing together separate components. For UK RC enthusiasts who demand quality, durability and authentic scale functionality, this transmission meets every expectation. The hardened steel construction ensures that even the most demanding rock crawling sessions won't result in stripped gears or premature wear. Weight is carefully managed at a compact profile, ensuring that adding this transmission upgrade won't negatively impact your Trail Finder 3's balance or handling characteristics.

What's in the Box

  • RC4WD Trail Finder 3 W56 2-Speed Transmission assembly
  • Integrated transfer case with dual ratio selection
  • Complete gear set (hardened steel, CNC machined)
  • All necessary fasteners and components for installation

What You Need to Complete

  • RC4WD Trail Finder 3 chassis (this is a transmission upgrade for existing Trail Finder 3 models)
  • Compatible RC4WD Trail Finder 3 RTR model (such as the Trail Finder 3 RTR with Mojave II Hard Body Set Z-RTR0045) or existing Trail Finder 3 platform
  • Standard RC hobby tools for installation (hex drivers, wrenches)

Frequently Asked Questions

  • Is the RC4WD Trail Finder 3 2-Speed Transmission suitable for beginners? — This is an advanced transmission assembly designed for experienced RC crawlers and rock climbing enthusiasts. If you're new to the hobby, you may want to start with a ready-to-run RC car UK package before upgrading drivetrain components. However, if you already own a Trail Finder 3 and want to enhance its capabilities, the installation is straightforward with basic RC tools.
  • What makes this transmission better than standard single-speed alternatives? — The two-speed configuration allows you to optimise your gear selection for different terrain and situations. Low gear provides maximum traction and power for technical climbing and obstacle navigation, whilst high gear allows faster travel across easier terrain. This versatility is invaluable for scale rock crawling where terrain conditions change dramatically.
  • Will this transmission fit my existing Trail Finder 3? — Yes, this transmission is specifically designed as an upgrade for the RC4WD Trail Finder 3 platform. It is confirmed compatible with the Trail Finder 3 RTR model featuring the Mojave II Hard Body Set (Z-RTR0045). If you own a Trail Finder 3 in any configuration, this transmission should integrate correctly, though we recommend checking compatibility with our expert team if you have any doubts about your specific model year or configuration.
  • How durable are the gears in this transmission? — The gears are manufactured from hardened steel using CNC machining, making them significantly more durable than plastic alternatives. Hardened steel resists stripping, cracking and deformation even under extreme loads encountered during serious rock crawling. This makes them ideal for demanding off-road use where reliability is paramount.
  • Can I replace the gears if they become damaged? — Yes, RC4WD manufactures replacement gear sets for the Trail Finder 3 Transfer Case (part number Z-G0085), which means long-term serviceability and availability of spares support your ongoing enjoyment of the platform.
  • What is the weight of this transmission assembly? — The complete assembly weighs approximately 1.32 ounces (37.7 grams), which is light enough to avoid negatively impacting your crawler's balance or performance whilst remaining structurally robust.
  • Is installation difficult? — Installation requires basic RC hobby skills and standard tools such as hex drivers and wrenches. If you're comfortable working on RC vehicles, you should be able to install this transmission without difficulty. For detailed installation guidance, we recommend consulting RC4WD's official documentation or contacting our expert team.

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 RC4WD TRAIL FINDER 3 W56 2-SPEED TRANSMISSION W/ TRANSFER CA Z-S2121 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.

  • Brand: RC4WD
  • Model Number: Z-S2121
  • Product Type: 2-Speed Transmission with Transfer Case
  • Compatible Platform: RC4WD Trail Finder 3
  • Compatible RTR Model: Trail Finder 3 RTR with Mojave II Hard Body Set (Z-RTR0045)
  • Transmission Type: 2-Speed Manual Transfer Case
  • Gear Material: Hardened Steel
  • Manufacturing Method: CNC Machined
  • Assembly Weight: 1.32 ounces (37.7 grams)
  • Features: Dual speed selection, integrated transfer case, scale-authentic operation
  • Included Components: Complete 2-speed transmission assembly with transfer case, hardened steel gear set, fasteners and installation hardware
  • Replacement Parts Available: Transfer case replacement gear set (RC4WD Z-G0085)
  • Construction Quality: Precision-engineered for durability in extreme off-road conditions

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.

Recently Viewed Products

Z-S2121

Z-S2121

£18.89

Z-T0027

Z-T0027

£9.89

AS81437

AS81437

£17.99

H11358

H11358

£6.29