Vanquish VS4-10 Builders Kit Straight Axle VPS09022

Overview

The Vanquish VS4-10 Builders Kit Straight Axle (VPS09022) is a premium 1/10 scale chassis kit designed for RC enthusiasts who demand exceptional build quality, customisation options, and rock-solid performance. This unassembled kit delivers everything needed to create a formidable trail crawler or scale RC car, featuring Vanquish Products' renowned engineering expertise. Whether you're a seasoned competitor looking to build your perfect setup or an intermediate RC hobbyist ready to step into the world of custom RC vehicles, this builders kit gives you complete control over every aspect of your build, from electronics to aesthetics. The straight axle configuration offers simpler maintenance, excellent predictability on varied terrain, and a lighter overall package compared to portal axle alternatives.

Built for durability and performance without compromise, the VS4-10 combines heavy-duty components with thoughtful engineering that makes it one of the most popular choices among UK RC car enthusiasts and international builders alike. The kit includes a proven VFD transmission with 6.5% overdrive, F10 straight axles with exceptional ground clearance, and premium 90mm Incision S8E shocks that deliver responsive, tunable suspension. Every part has been selected to work together seamlessly, giving you a platform that performs as good as it looks. This is serious RC engineering for serious builders.

As a builders kit, the VPS09022 requires you to source and install your own motor, ESC, radio system, servo, battery, charger, wheels, tyres, and body shell—giving you complete freedom to tailor the vehicle to your exact specifications and budget. This approach appeals to RC enthusiasts who want to choose premium components, match their existing radio systems, or fine-tune their setup for specific terrain conditions. The modular design philosophy of Vanquish Products means you can adjust, upgrade, and customise almost every aspect of this chassis as your skills and needs evolve.

Key Features

• F10 Straight Axles with High-Clearance Design — The front and rear straight axles feature a minimised pumpkin size that maximises ground clearance while building exceptional strength around the C-hub and knuckle areas, making them a top choice among experienced crawlers and trail runners across the UK and beyond.
• VFD Transmission with 6.5% Overdrive — The proven VFD transmission positions the motor forward and low for ideal weight distribution, whilst the 6.5% overdrive provides better turning and climbing performance without stressing your electronics, backed by a protective extended skid plate for motor protection.
• ISD10 Driveshafts with Machined CV Joints — These high-quality driveshafts connect the VFD transmission to the F10 axles with machined CV-style joints at each end and molded splined shafts between them, delivering smooth and efficient power delivery.
• 90mm Incision S8E Scale Shocks — Premium suspension components featuring 8mm bore aluminium threaded bodies, dual X-ring seals for superior sealing, locking preload collars, keyed spring cups, polished steel shock shafts, and machined pistons that combine durability with exceptional adjustability.
• 3-Link with Panhard Front Suspension — This proven suspension geometry offers scale looks by hiding the steering servo whilst allowing full suspension travel and predictable handling across varied terrain.
• Steel C-Channel Chassis Design — Heavy-duty steel C-channel frame rails provide both scale detail and genuine structural strength, combined with molded front and rear cross-members that fill the chassis rails in the highest stress locations for ultimate rigidity.
• Stainless Steel Links and Pivot Balls — The entire suspension linkage uses stainless steel components to ensure low weight, long-term durability, and smooth transitions from links to rod ends without rust or corrosion concerns.
• Molded Rock Sliders with Replaceable Elements — Rock sliders feature replaceable tapered outer portions, allowing you to refresh worn areas without replacing the entire slider assembly, reducing long-term maintenance costs.
• Machined Aluminium Panhard Mount — Purpose-built from machined aluminium to withstand the severe impacts of trail conditions, this reinforced mounting point adds confidence when pushing your rig hard over rough terrain.
• Dual Servo Mounts and Versatile Battery Tray — The chassis features dual servo mounting positions for flexibility in setup, plus an integrated battery tray that accommodates most battery types including hard-case LiPo packs and standard stick pack sizes up to 35mm × 35mm × 100mm.
• Winch Line Routing and Fuel Cell Detail — Scale details like winch line routing channels and an integrated fuel cell moulding add authentic scale appearance without compromising functionality or strength.
• Universal-Style Front Axle Shafts with 49° Steering Angle — Generous steering angle range combined with universal-joint style axle shafts provides excellent manoeuvrability without binding, ideal for technical crawling and tight corners.
• High-Pinion Hypoid Axle Gears — The F10 axles feature high-pinion hypoid gear design (30/8 ratio) that optimises clearance and strength, with 5mm output shafts fitted with M4 wheel nuts for secure wheel attachment.
• Modular VFD Transmission Design — Replaceable bearing plates in the T-case allow adjustable bearing positioning and optional gear ratios, letting you tune performance characteristics to match your motor choice and terrain preferences.
• 540 Motor Compatibility — The chassis is compatible with most 540 brushed and brushless motors, giving you complete freedom to choose between budget-friendly brushed setups or high-performance brushless power options.
• Shock Tuning Flexibility — The suspension includes offset lower shock pivot balls for tuning shock width at the axle, plus a complete S8E Shock Tuning Rod End Set with +5mm, 0mm, and -5mm options for fine-tuning compression and rebound characteristics.

Technical Performance

The Vanquish VS4-10 Builders Kit represents a mature, proven platform that balances genuine scale aesthetics with legitimate performance capability. At 1/10 scale with a 313mm wheelbase (12.3 inches) and 182mm axle width pin-to-pin on both front and rear, the proportions are ideal for realistic scale crawling while maintaining the ground clearance and articulation needed for challenging terrain. The VFD transmission delivers a 3.75:1 axle gear ratio through a 13T pinion and 56T spur gear configuration, producing overall ratios of 47.6:1 front and 50.8:1 rear—gearing that prioritises torque and hill-climbing ability over raw speed. This transmission uses sintered internal gears with hardened chromoly shafts throughout, backed by full ball-bearing support for smooth, reliable operation. The modular bearing plate design allows you to experiment with optional gear ratios as your building experience grows, or to match different motor kV ratings for optimised performance. Built with scaled moulded transmission housing and protective skid plating, the VFD represents years of refinement by engineers dedicated to combining scale authenticity with mechanical resilience.

Suspension performance relies on the proven combination of 3-link with panhard geometry at the front and triangulated geometry at the rear—a suspension design used by professional scale crawlers worldwide. The 90mm Incision S8E shocks are engineered specifically for scale applications, with the larger 8mm bore providing increased damping volume that reduces internal pressures for extended seal life. Each shock features dual moulded X-ring seals in the lower cartridge (offering more sealing surfaces than standard O-rings), threaded bodies for adjustable spring preload across a wide range, steel pivot balls with bleeder valves, and polished shock shafts. The stainless steel suspension links ensure minimal weight penalty whilst providing corrosion resistance for vehicles used in damp UK conditions. Double-shear shock mounts on the chassis provide maximum structural support for the shock towers, whilst adjustable lower shock mounting positions allow you to fine-tune suspension geometry and ride height for different terrain types and driving styles.

The F10 straight axle housings utilise advanced moulded plastic construction, drawing on Vanquish Products' extensive experience with premium aluminium axles. The ultra-rigid design features an integrated truss that ties both ends of the axle together, preventing deflection under load, combined with oversized C-hubs and an integrated panhard mount machined from aluminium. Both front and rear axles employ one-piece moulded bearing retainers and universal-style axle shafts, with the front axle providing 49 degrees of steering angle for precise directional control. High-pinion hypoid gearing (30/8 ratio) maximises internal clearance whilst optimising strength in the hardest-working areas. The ISD10 driveshafts connecting transmission to axles feature machined CV-style joints with splined shafts, ensuring smooth power delivery without play or binding. Chassis strength comes from heavy-duty steel C-channel frame rails combined with moulded front and rear cross-members that reinforce the highest-stress areas. The machined aluminium panhard mount and molded shock towers with double-shear configuration create a platform capable of absorbing serious impacts during trail sessions.

Build quality throughout reflects Vanquish Products' reputation for precision engineering and attention to detail. Sintered gears, hardened chromoly shafts, full ball-bearing transmissions, stainless steel linkages, machined aluminium components, and reinforced moulded housings combine to create a chassis that performs as reliably as it looks. The integrated battery tray accommodates batteries up to 35mm × 35mm × 100mm, covering most modern hard-case LiPo packs and traditional stick pack formats. As a builders kit, the VPS09022 requires a 540-size motor (brushed or brushless), compatible ESC, radio system with servo, battery and charger—giving you complete control over power levels, electronics quality, and overall performance characteristics. Whether you're building for consistent trail running, weekend bashing, or competitive scale crawling, this platform provides the mechanical foundation, adjustment range, and durability expected from a premium RC chassis.

What's in the Box

• VS4-10 Chassis (steel C-channel frame with moulded cross-members)
• VFD Transmission with 6.5% overdrive (includes sintered gears, hardened chromoly shafts, full ball-bearing support)
• F10 Straight Axle Housings (front with offset pumpkin, rear with centred pumpkin)
• ISD10 Driveshafts with machined CV joints
• Universal-style front axle shafts
• High-pinion hypoid axle gears (30/8 ratio)
• 5mm output shafts with M4 wheel nuts
• One-piece moulded bearing retainers for axles
• Double-shear shock mounts
• Incision 90mm S8E shocks (4 units, 8mm bore, aluminium threaded bodies with dual X-ring seals)
• Locking preload collars and keyed spring cups for shocks
• Polished steel shock shafts and machined pistons
• IRC00523 S8E Shock Tuning Rod End Set (+5mm, 0mm, -5mm options)
• Threadlock grease and 30wt shock oil
• Stainless steel suspension links
• Stainless steel pivot balls
• Stainless steel offset lower shock pivot balls for tuning
• Integrated battery tray and electronic mounting positions
• Molded rock sliders with replaceable tapered outer portions
• Machined aluminium panhard mount
• Molded shock towers (double-shear configuration)
• Dual servo mounts
• Winch line routing channels
• Integrated fuel cell moulding
• Protective extended skid plate for motor protection
• Moulded battery and electronic trays
• Scale moulded transmission housing
• Moulded 6mm motor plate
• Moulded spur gear cover
• 32P 56T spur gear
• 13T steel pinion gear
• 25 spline 20mm servo horn included

What You Need to Complete

• 540 size motor (brushed or brushless compatible)
• Electronic Speed Controller (ESC)
• Radio transmitter and receiver system
• Steering servo (25 spline 20mm servo horn is included)
• Battery pack (max dimensions 35mm × 35mm × 100mm)
• Battery charger
• Wheels (1.9 inch recommended)
• Tyres (1.9 inch recommended)
• Body shell
• Body paint
• Building tools (screwdrivers, hex keys, etc.)

Frequently Asked Questions

• Is the Vanquish VS4-10 Builders Kit suitable for beginners? — The VS4-10 Builders Kit is rated as Skill Level 3, indicating intermediate to advanced builder capability. This kit is not recommended for complete beginners, as assembly requires mechanical understanding, proper tools, and familiarity with RC vehicle construction. However, if you have previous RC building experience or access to experienced builders for guidance, the comprehensive documentation and modular design make it a rewarding project. First-time builders might consider starting with a Ready-to-Run (RTR) model before progressing to builders kits like this one.
• What battery size does the VS4-10 require? — The integrated battery tray accommodates most standard battery formats with maximum dimensions of 35mm × 35mm × 100mm. This means most modern hard-case LiPo packs in the 2S, 3S, or 4S range will fit comfortably, as will traditional stick-pack format batteries. You'll need to select your actual battery capacity (measured in mAh) based on your chosen motor and desired runtime—larger capacity batteries provide longer runtime but add weight. Always ensure your chosen battery voltage matches your ESC's maximum rating.
• Can I use a brushless motor in the VPS09022? — Yes, the VFD transmission is fully compatible with most 540 brushless motors, as well as brushed alternatives. Brushless setups provide higher efficiency, better power delivery, and improved heat management compared to brushed motors, making them the preferred choice for serious builders. You'll need to pair your brushless motor with a compatible brushless-rated ESC. The modular VFD T-case design allows you to experiment with different motor KV ratings and gear ratios to optimise performance for your specific terrain and driving style.
• What makes the straight axle better than a portal axle setup? — The VS4-10 Builders Kit features F10 straight axles as a design choice offering specific advantages: simpler internal construction makes maintenance and repair easier, lighter weight reduces unsprung mass for better suspension response, lower cost permits budget allocation to other areas, and straight axles are recognised as proven performers for trail crawling and intermediate-level rock crawling. Portal axles offer higher ground clearance and sometimes considered slightly more scale-authentic for extremely modified vehicles, but straight axles like the F10 deliver excellent clearance (minimised pumpkin size, maximised C-hub strength) with lower mechanical complexity. Your choice depends on your specific terrain, aesthetic preferences, and maintenance philosophy.
• How long will assembly take? — Assembly time depends on your experience level and available tools. Experienced builders typically complete assembly in 4-6 hours, whilst those newer to RC vehicles may require 8-12 hours or more. Breaking the build into sections (drivetrain assembly, suspension setup, electronics installation, final testing) over multiple sessions prevents fatigue and helps identify issues early. Having proper tools—quality screwdrivers, hex key sets, shock spanners, and a workbench with good lighting—significantly speeds the process. Vanquish Products provides detailed assembly guides, and many UK RC communities offer online resources and local builder meetups for support.
• What radio system and servo will work with the VS4-10? — The kit is radio-agnostic, meaning it works with virtually any 2.4GHz digital radio system (Spektrum, Futaba, Sanwa, etc.) as long as you have a compatible receiver. The chassis includes 25 spline 20mm servo horn, so any standard-sized steering servo with matching spline will fit. Quality scale-oriented servos from brands like Spektrum, HiTec, or Sanwa are popular choices among UK builders. Avoid extremely high-speed servos designed for speed racing—opt instead for servos with strong torque (200+ oz-in) that handle the constant steering inputs demanded by rough terrain.
• Is the VS4-10 waterproof? — The chassis itself features no specific waterproof rating and is designed for trail use in dry and lightly damp conditions. Electronics and the motor you choose determine actual waterproofing—you'll need to source a waterproof-rated ESC and motor if you intend regular water crossings or wet-weather use. Many builders apply protective coatings to electronics and use sealed connectors for added reliability. The stainless steel suspension links provide excellent corrosion resistance if your rig gets wet, and the steel C-channel frame can be painted or sealed to prevent rust.
• Can the suspension geometry be adjusted? — Yes, the VS4-10 offers extensive adjustability. Offset lower shock pivot balls allow tuning shock width and angle at the axle (three options provided: +5mm, 0mm, -5mm). Threaded shock bodies permit adjusting spring preload across a wide range. Replaceable bearing plates in the VFD T-case enable adjustable transmission mounting for tuning handling characteristics. Dual servo mounts provide flexibility in servo placement. This adjustability allows you to fine-tune the chassis for different terrain types, driving styles, and even weather conditions—a key advantage of builders kits over fixed RTR setups.
• What gear ratios are recommended? — The standard configuration includes a 3.75:1 axle ratio with 13T pinion and 56T spur gear, producing 47.6:1 front and 50.8:1 rear ratios. These conservative ratios prioritise torque, hill-climbing, and precise control—ideal for most trail and crawling applications. If you want higher speed across open terrain, you could run a higher motor KV (say 3200KV versus 2000KV). The modular T-case design permits experimenting with optional gear ratios as you develop your preferences. Consult Vanquish Products' resources or experienced UK RC builders for recommendations matching your specific motor choice and terrain.
• How durable is the VFD transmission over time? — The VFD transmission is engineered for longevity with sintered internal gears, hardened chromoly shafts, and full ball-bearing support throughout. These components are proven in thousands of builds worldwide. Proper maintenance—regular gear oil changes, keeping dirt and water out of the transmission, and avoiding sudden shock loads—keeps the VFD running smoothly for seasons of use. The modular design means individual components like bearing plates can be replaced or upgraded if needed, extending the transmission's effective lifespan and allowing performance tuning as your skills advance.
• Why should I choose a builders kit over a Ready-to-Run model? — Builders kits offer complete customisation: choose your exact motor, ESC, radio, servo, battery, wheels, tyres, and body. This flexibility lets you match your budget, terrain, and aesthetic preferences precisely, something RTR models never allow. Building your own rig teaches you how everything works, making maintenance, troubleshooting, and upgrades straightforward. Many experienced RC enthusiasts prefer builders kits because they can specify premium components, integrate their existing radio system, and continuously evolve their setup. The hands-on building experience is rewarding for hobbyists who enjoy the technical aspects of RC vehicles. However, RTR models offer immediate out-of-the-box enjoyment and are better for newcomers.

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 Vanquish VS4-10 Builders Kit Straight Axle VPS09022 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.