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ARRMA 1/10 VORTEKS MEGA 550 4X2 ST with Battery & Charger Purple C-ARA3205ST2

Model No: C-ARA3205ST2


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£229.99

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£193.99

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1 Year Warranty
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Product Details

Blast over terrain with the incredible speed, stability, and toughness of the ARRMA VORTEKS 2WD. No other 1/10 scale stadium truck delivers this level of performance at such a low price - and it easily accepts upgrades to grow with your experience.

Key Features

  • Completely ready-to-run - no other purchases required
  • Heavy-duty brushless-ready transmission
  • Easy-access bottom-loading battery tray
  • Hidden body retention system
  • Easy to upgrade and customize
In The Box
  • VORTEKS MEGA 550 2WD Stadium Truck RTR
  • Spektrum SLT 2-in-1 40A ESC & Receiver
  • ARRMA Mega 550 14T Brushed Motor
  • Spektrum SLT2 2.4GHz Transmitter
  • Spektrum S660 Servo
  • Spektrum 8.4V 3300mAh 7-cell Hump Smart Battery: IC3
  • Spektrum S120 USB-C Smart Charger
  • 4 "AA" Batteries
  • Miscellaneous moulded tools
  • Instruction Manual
Needed to Complete
  • Nothing else needed. (Though not required, the Spektrum 65W USB-C GaN Power Supply SPMX-1027 is recommended.)

ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR Overview

Join the stadium truck racing fun with a ready-to-run basher built the way only ARRMA makes them - the VORTEKS MEGA 550 2WD. It's super tough, easy to handle, and fast enough straight out of the box to thrill first-time RC hobbyists and experienced drivers alike. The ARRMA VORTEKS 2WD is the most affordable hobby-quality 1/10 scale stadium truck available. And it's easy to upgrade with LiPo batteries and brushless motors whenever you're ready to take it to the next level.

The VORTEKS delivers more refined performance than any previous ARRMA 2WD vehicle, with the perfect combination of stability and agility. Its wide stance contributes to confidence-boosting control at any speed while racing in your backyard or at your local park. New drivers can take advantage of the easy handling to learn lines and precision driving techniques. Low and sporty, the VORTEKS 2WD lets you carve through the turns without slowing down. The specialized tread design of the all-new dBoots Dirtrunner ST front tyres makes it easy to jump and corner on rough surfaces.

If you're brand new to RC, the included Spektrum SLT2 2-channel radio helps you safely learn control skills by limiting maximum speed to 50% or 75% until you're ready to unleash it all. Blast through wet conditions without worry - the Spektrum 2-in-1 40A ESC/receiver unit and high-torque Spektrum S660 steering servo are both waterproof (see the VORTEKS instruction manual for details).

Proven ARRMA engineering gives the composite chassis the durability for bashing over punishing surfaces. The independent suspension, oil-filled shocks, and adjustable ride height combine to provide a smooth ride over uneven terrain. For unstoppable traction, the stadium truck's metal gear differential moves power from the installed MEGA 550 motor to the all-terrain rear tyres.

As you gain experience with your VORTEKS 2WD, you can also stretch its performance envelope by customizing it with option parts that are already available. Take advantage of its 2S LiPo-compatible Spektrum electronics to feed it LiPo power. The VORTEKS chassis has enormous potential to grow into a next-level RC bashing beast!

ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR Features

  • Mesh-safe motor plates
  • Strong composite chassis
  • Composite front and rear bumpers
  • Adjustable ride height
  • Low stadium truck body style
  • Tough gray multi-spoke wheels
  • All-terrain tyres
  • LiPo-ready Spektrum SLT 2-in-1 40A ESC and receiver
  • MEGA 550 14T brushed motor
  • Spektrum SLT2 2.4GHz transmitter
  • Spektrum S660 high-torque digital steering servo
  • High-capacity Spektrum Smart 3300mAh 7-cell NiMH battery
  • Spektrum S120 USB-C Smart charger
  • High-quality moulded tools included
  • 4 "AA" transmitter batteries
  • 2-year limited warranty (see website for details)
Super Tough Transmission for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
SUPER TOUGH TRANSMISSION

Factory assembled and installed, the heavy-duty, metal gear differential sends power from the MEGA 550 14T brushed motor to the rear all-terrain tyres for blasting through challenging terrain. Upgrade to brushless power whenever you're ready - the VORTEKS transmission is tough enough to take it.

Bottom Loading Battery Tray for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
BOTTOM LOADING BATTERY TRAY

Time to change batteries? No need to remove the body or fuss with clips. Just push on the latches, open the door, and plug in a fresh pack. You're quickly back to having fun!

Strong Spine Composite Chassis for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
STRONG SPINE COMPOSITE CHASSIS

The durability of its composite chassis lets you send your VORTEKS over punishing terrain with confidence. The simple spine design won't collect dirt, rocks, and mud. It stays clean and lightweight, which means more power!

Adjustable Suspension for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
ADJUSTABLE SUSPENSION

The independent suspension and oil-filled, coilover shocks soak up bumps. If your bashing takes you over uneven surfaces, you can adjust the ride height to increase ground clearance.

Spketrum Electronics Included for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
SPEKTRUM ELECTRONICS INCLUDED

The Spektrum S660 digital steering servo provides high torque (84 oz-inch @ 6V) for precise steering. As you learn more and gain experience, you can push the limits of your VORTEKS by using brushless power and LiPo batteries - the Spektrum 2-in-1 40A ESC and receiver are naturally LiPo-ready because its power is regulated by the ESC.

Stadium Truck Body for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
STADIUM TRUCK BODY

Adding to its exciting realism, the VORTEKS stadium truck body is securely held in place by a hidden body retention system. The body doesn't need to come off to change the battery, but is easy to remove if you need to access the on-board electronics.

Spektrum 2.4GHz SLT2 2-Channel Transmitter for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
SPEKTRUM 2.4GHz SLT2 2-CHANNEL TRANSMITTER

If you're new to RC, the Spektrum SLT2 2-channel radio helps you learn control skills safely by limiting maximum speed to 50% or 75% until you're ready to unleash it all. Bash without worry in wet conditions - the Spektrum 2-in-1 40A ESC/receiver unit and high-torque Spektrum S660 steering servo are both waterproof. (For details on waterproof standards, refer to the product instruction manual.)

Battery and Charger Included for the ARRMA VORTEKS MEGA 550 2WD Stadium Truck RTR
BATTERY & CHARGER INCLUDED

Get bashing quickly with short 2-3 hour charge times - keep bashing longer with extended run times. The included, high-capacity Spektrum Smart 7-cell 3300mAh NiMH battery begins safe charging automatically when connected to the Spektrum S120 USB-C Smart Charger. When it's time to upgrade for more bashing power, the charger and Spektrum 2-in-1 40A ESC/receiver unit are already compatible with 2S Smart LiPo batteries.

  • Scale: 1/10
  • Vehicle Type: Stadium Truck
  • Completion Level: Ready-to-Run (RTR)
  • Drivetrain: 2WD
  • Steering Type: 2-Wheel Steering (2WS)
  • Motor Type: Brushed
  • Motor Size: 550
  • Motor Designation: MEGA 550 14T
  • Power System: MEGA
  • Power Type: Electric
  • ESC Type: Spektrum SLT 2-in-1 Integrated ESC and Receiver
  • ESC Current Rating: 40A
  • Battery Type Included: NiMH (7-Cell Hump)
  • Battery Voltage: 8.4V
  • Battery Capacity: 3300mAh
  • Battery Connector: IC3
  • LiPo Compatibility: 2S Maximum
  • Charge Time: 2-3 hours
  • Charger Included: Spektrum S120 USB-C Smart Charger
  • Radio System: Spektrum SLT2 2.4GHz
  • Radio Channels: 2-Channel
  • Radio Features: Speed limiting at 50% or 75% for learners
  • Transmitter: Spektrum SLT2 2.4GHz Transmitter (requires 4 AA batteries, included)
  • Receiver: Spektrum SLT 2-in-1 Integrated Receiver
  • Servo Type: Spektrum S660 High-Torque Digital Steering Servo
  • Servo Torque: 84 oz-inch at 6V
  • Suspension Type: Independent Double A-Arm
  • Shock Type: Oil-Filled Coilover Shocks
  • Ride Height: Adjustable
  • Transmission: Metal Gear Differential
  • Transmission Features: Brushless-ready, heavy-duty construction
  • Chassis Material: Composite
  • Chassis Design: Spine chassis with mesh-safe motor plates
  • Body Style: Low Stadium Truck Profile
  • Body Material: Composite
  • Body Retention: Hidden body retention system
  • Bumpers: Composite front and rear bumpers
  • Wheels: Tough grey multi-spoke wheels
  • Wheel Diameter: Not specified in source
  • Tyre Type: All-Terrain (Front: dBoots Dirtrunner ST with specialised tread design; Rear: All-terrain pattern)
  • Tyre Tread: dBoots Dirtrunner ST
  • Waterproof Rating: Spektrum 2-in-1 ESC/Receiver and S660 Servo are waterproof (specific IP rating not detailed, refer to instruction manual)
  • Product Length: 456mm (17.95 inches)
  • Product Width: 325mm (12.8 inches)
  • Product Height: 170mm (6.69 inches)
  • Maximum Battery Dimensions: 156mm x 51mm x 48mm (6.14 x 2.01 x 1.89 inches)
  • Weight Without Battery: 2.34kg (5.16 lbs)
  • Weight With Battery: 2.78kg (6.13 lbs)
  • Top Speed: 20+ mph
  • Vehicle Size: Standard 1/10 Scale
  • Surface Type: Off-Road
  • Assembly Type: Fully Assembled Ready-to-Run
  • Skill Level Required: Beginner/Skill Level 1
  • Included Tools: High-quality moulded tools for maintenance
  • Included Batteries: 4 AA batteries for transmitter
  • Instruction Manual: Included (Multilingual)
  • Warranty: 2-year limited warranty (see website for details)
  • Manufacturer: ARRMA
  • Model Number: ARA3205ST2
  • Optional Recommended Accessory: Spektrum 65W USB-C GaN Power Supply (SPMX-1027) for faster home charging

Overview

Join the stadium truck racing fun with the ARRMA 1/10 VORTEKS MEGA 550 2WD, a ready-to-run RC car UK that delivers incredible speed, stability, and toughness without breaking the bank. This is the most affordable hobby-quality 1/10 scale stadium truck available today, making it the perfect choice whether you're brand new to RC or looking for an excellent entry-level ready to run RC vehicle. The VORTEKS 2WD combines proven ARRMA engineering with Spektrum electronics to create a package that's super tough, easy to handle, and fast enough straight out of the box to thrill first-time RC hobbyists and experienced drivers alike.

The ARRMA VORTEKS delivers more refined performance than any previous ARRMA 2WD vehicle, with the perfect combination of stability and agility that makes it ideal for learning the fundamentals of RC driving. Its wide stance contributes to confidence-boosting control at any speed whether you're racing in your backyard or at your local park. New drivers can take advantage of the easy handling characteristics to learn racing lines and precision driving techniques, whilst experienced bashers will appreciate the robust construction and upgrade potential. Best of all, this ready-to-run RC requires nothing else to get started—everything you need is included in the box, from the battery and charger to the transmitter and all necessary electronics.

As you gain experience with your VORTEKS 2WD, you can easily stretch its performance envelope by customising it with optional parts that are already available from ARRMA. The chassis is equipped with 2S LiPo-compatible Spektrum electronics, meaning you can upgrade to LiPo batteries and even brushless motors whenever you're ready to take your RC experience to the next level. The VORTEKS chassis has enormous potential to grow into a next-level RC bashing beast, making this an investment that will serve you well as your skills develop.

Key Features

  • Completely Ready-to-Run Package — Everything needed to start enjoying RC driving is included straight out of the box, with no additional purchases required. The truck arrives fully assembled with batteries, charger, transmitter, and all electronics pre-installed, so you can begin driving within hours of opening the box.
  • Heavy-Duty Brushless-Ready Transmission — The metal gear differential is factory assembled and installed with enough durability to handle not only the included MEGA 550 14T brushed motor, but also brushless motors when you're ready to upgrade. This transmission design ensures reliable power delivery to the all-terrain rear tyres for consistent traction across challenging terrain.
  • Easy-Access Bottom-Loading Battery Tray — Changing batteries is quick and hassle-free thanks to the innovative battery door design. Simply push the latches, open the door, and swap in a fresh battery pack without needing to remove the body or deal with awkward clips, getting you back to driving faster than ever.
  • Hidden Body Retention System — The stadium truck body is securely held in place using a concealed retention system that keeps everything looking clean and professional. The body doesn't need to be removed to change the battery, but it's simple enough to detach when you need to access the onboard electronics for maintenance or upgrades.
  • Easy to Upgrade and Customise — As your RC skills progress, the VORTEKS chassis accepts numerous upgrade options that are readily available, including pinion gears, shock bodies, suspension mounts, wheelie bars, and more. This scalability means your initial investment will continue to serve you well as you explore different driving styles and performance modifications.
  • Waterproof Electronics for All-Weather Bashing — Both the Spektrum 2-in-1 40A ESC/receiver unit and the high-torque Spektrum S660 steering servo feature waterproof construction, allowing you to bash through wet conditions without worry. This weather resistance significantly extends where and when you can enjoy your RC without fear of water damage.
  • Spektrum 2.4GHz SLT2 2-Channel Transmitter with Speed Control — The included transmitter helps new drivers safely learn control skills by allowing you to limit maximum speed to either 50% or 75% until you're confident enough to unlock full throttle. This graduated approach to learning makes the VORTEKS an excellent choice for introducing young people or newcomers to RC driving.
  • Strong Composite Chassis Construction — The durable composite chassis is designed to handle punishing terrain without flexing excessively or collecting dirt and rocks. The simple spine design keeps the chassis lightweight and clean, which means more of the available motor power gets transferred to propelling the truck rather than fighting through accumulated debris.
  • Adjustable Suspension with Oil-Filled Shocks — Independent suspension paired with oil-filled coilover shock absorbers soaks up bumps and provides a smooth ride over uneven surfaces. If your bashing takes you over particularly challenging terrain, you can adjust the ride height to increase ground clearance and adapt to different driving conditions.
  • Mesh-Safe Motor Plates and Composite Bumpers — The motor area features protective mesh-safe plates that prevent debris from entering the motor cavity, whilst composite front and rear bumpers absorb impacts during aggressive driving or unavoidable collisions with obstacles.
  • Specialized dBoots Dirtrunner ST Tyres — The all-new specialised tread design of the dBoots Dirtrunner ST front tyres makes it easy to jump and corner on rough surfaces, providing excellent grip and predictable handling in varied terrain conditions. The all-terrain rear tyres complement this, offering consistent traction for powerful acceleration and reliable braking.
  • High-Capacity Smart Battery Included — The Spektrum 8.4V 3300mAh 7-cell NiMH Smart battery provides extended run times compared to smaller packs, giving you longer sessions between charges. The battery connects via IC3 connector and works seamlessly with the included Spektrum S120 USB-C Smart Charger.
  • USB-C Smart Charger with Fast Charging — The Spektrum S120 Smart Charger features USB-C connectivity and intelligent charging that achieves full recharge times of only 2-3 hours, allowing you to get back to driving quickly. The charger automatically begins safe charging when you connect a Smart battery, and it's already compatible with 2S Smart LiPo batteries for future upgrades.

Technical Performance

The ARRMA VORTEKS MEGA 550 2WD is engineered around proven stadium truck design principles that prioritise balanced performance and reliability. At 1/10 scale, this RC vehicle measures 456mm in length, 325mm in width, and 170mm in height, giving it a low and sporty profile that contributes to its nimble handling characteristics. The truck weighs 2.34kg without battery, or 2.78kg when fully loaded with the included battery pack. Power comes from the installed MEGA 550 14T brushed motor, which delivers sufficient punch to achieve speeds in excess of 20mph straight out of the box—more than enough to thrill newcomers whilst providing room for performance enhancements through motor and battery upgrades. The Spektrum SLT 2-in-1 40A ESC and receiver combination handles the electrical demands intelligently, providing regulated power delivery whether you're running the included NiMH battery or upgrading to 2S LiPo packs. The independent suspension geometry combined with the adjustable ride height system ensures the chassis maintains composure over jumps, bumps, and uneven ground, whilst the metal gear differential provides reliable torque multiplication to the rear axle. The Spektrum S660 high-torque digital steering servo delivers 84 oz-inch of torque at 6V, providing precise steering response that's essential for carving through turns at speed. Overall, the VORTEKS 2WD represents excellent value in the brushed RC truck category, offering genuine hobby-quality construction and performance that punches well above its price point.

What's in the Box

  • VORTEKS MEGA 550 2WD Stadium Truck RTR (fully assembled and ready to run)
  • Spektrum SLT 2-in-1 40A ESC and Receiver
  • ARRMA Mega 550 14T Brushed Motor
  • Spektrum SLT2 2.4GHz 2-Channel Transmitter
  • Spektrum S660 High-Torque Digital Steering Servo
  • Spektrum 8.4V 3300mAh 7-Cell Hump Smart Battery with IC3 Connector
  • Spektrum S120 USB-C Smart Charger
  • Four AA Batteries for Transmitter
  • High-Quality Moulded Tools for Basic Maintenance
  • Comprehensive Instruction Manual (Multilingual)

What You Need to Complete

  • Nothing is required to begin driving—the package is completely self-contained and ready to run out of the box
  • Optional: Spektrum 65W USB-C GaN Power Supply (SPMX-1027) is recommended for faster home charging convenience, though not essential as the included S120 charger works perfectly well

Frequently Asked Questions

  • Is the ARRMA VORTEKS MEGA 550 good for beginners and first-time RC drivers? — Yes, absolutely. The VORTEKS 2WD is specifically designed with newcomers in mind. It comes completely ready-to-run with everything you need, the handling is forgiving and predictable thanks to its wide stance and balanced weight distribution, and the Spektrum SLT2 transmitter includes speed-limiting modes that let you learn control at 50% or 75% power before unleashing full throttle. The easy-to-understand two-wheel-drive system is simpler to master than four-wheel-drive alternatives, making it perfect for developing your foundational RC skills.
  • What battery does the VORTEKS MEGA 550 need and how long does it last? — The truck is supplied with a Spektrum 8.4V 3300mAh 7-cell NiMH Smart battery that connects via an IC3 connector. This battery provides extended run times and charges in just 2-3 hours using the included Spektrum S120 USB-C Smart Charger. When you're ready to upgrade for more power, the ESC and charger are already 2S LiPo-compatible, meaning you can move to LiPo batteries for higher performance and faster charging.
  • How fast does this RC truck go? — The VORTEKS MEGA 550 2WD achieves top speeds of 20mph or higher with the standard brushed motor and included battery. If you upgrade to a brushless motor and 2S LiPo battery in the future, performance can be increased significantly, as the transmission is brushless-ready and designed to handle the additional power.
  • Can I upgrade this truck for better performance? — Yes, the VORTEKS 2WD is designed with upgradeability as a core principle. The transmission is heavy-duty and brushless-ready, so you can swap the included brushed motor for a brushless unit. The Spektrum electronics are already 2S LiPo-compatible, enabling battery upgrades. Additionally, numerous option parts are available including different pinion gears, shock bodies, suspension mounts, wheelie bars, and wheel sets to customise your truck exactly how you want it.
  • Is this truck waterproof? — The key electronics—specifically the Spektrum 2-in-1 40A ESC/receiver unit and the Spektrum S660 steering servo—feature waterproof construction that allows you to bash in wet conditions without worry. For specific details about waterproof ratings and limitations, refer to the product instruction manual.
  • How does the 2WD layout compare to 4WD for stadium truck driving? — Two-wheel-drive design offers several advantages for stadium truck racing: simpler mechanics mean fewer components to maintain, lighter weight translates to better acceleration and jumping characteristics, and the driving dynamics reward smooth throttle control and precise steering. The VORTEKS 2WD delivers more agile handling than four-wheel-drive models, making it excellent for learning racing lines and developing driving precision on park or backyard surfaces.
  • What tools are needed for maintenance and assembly? — The truck arrives fully assembled and ready to drive, requiring no initial assembly. High-quality moulded tools are included for basic maintenance like tyre changes, suspension adjustments, and minor component swaps. For more advanced upgrades, you may want dedicated hex wrenches and screwdrivers, but these are not essential for normal bashing and driving.

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 ARRMA 1/10 VORTEKS MEGA 550 4X2 ST with Battery & Charger Purple C-ARA3205ST2 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.

Parts Diagrams

Front Assembly
Rear Assembly
Differential & Shock Absorber Assembly
Chassis, Transmission, Electronics Assembly
Bodyshell & Accessories / Wheels & Tyres

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