Traxxas TRX-4 1979 Chevrolet K10 Truck 1:10 4WD RTD Electric Trail Crawler, Red (+ TQi 4-ch, XL-5 HV, Titan 550) TRX92056-4-RED

Overview

The Traxxas TRX-4 1979 Chevrolet K10 High Trail Edition is a premium 1/10 scale electric trail crawler that brings authentic off-road adventure to your backyard, garden, or local trails. This is not just another ready to run RC car UK—it's a fully assembled, professionally engineered rock crawler that combines stunning scale authenticity with genuine all-terrain performance. The K10 High Trail Edition represents the pinnacle of Traxxas' trail truck engineering, featuring a factory-installed Long Arm Lift Kit that raises the model over an inch taller than standard TRX-4 variants, delivering superior ground clearance and obstacle-clearing capability that serious trail enthusiasts demand.

Whether you're navigating rocky terrain, fording streams, or tackling technical climbs, this 1/10 4WD crawler is built to conquer challenges that would defeat ordinary RC vehicles. The officially licensed 1979 Chevrolet K10 Pickup body showcases intricate chrome detailing and authentic scale proportions across its extended 336mm wheelbase, making it equally impressive in the display case or on the trail. The TRX-4 has become the most versatile and popular trail truck in the RC hobby, trusted by enthusiasts from casual weekend bashers to dedicated rock crawling competitors across the UK and beyond.

This RTR (Ready-To-Run) model arrives 95% assembled with all electronics pre-installed, meaning you can unbox it, charge a battery, and start exploring within minutes. The combination of innovative portal axles, a steel ladder frame chassis, precision 2075X metal-gear servo, and the legendary XL-5 HV waterproof speed control ensures that the TRX-4 K10 High Trail Edition delivers reliable performance in challenging outdoor conditions. For anyone seeking a premium brushed electric RC crawler that balances scale realism with genuine trail-conquering ability, this is an exceptional choice.

Key Features

• Factory-Installed Long Arm Lift Kit — The K10 High Trail Edition arrives with a pre-installed lift kit that raises the chassis over an inch higher than standard TRX-4 models, dramatically increasing ground clearance and allowing the truck to clear larger obstacles and navigate steeper terrain with confidence.
• Extended 336mm Wheelbase — The lengthened wheelbase perfectly captures the proportions of the full-size 1979 Chevrolet K10 pickup, whilst also providing greater climbing stability and a smoother, more controlled ride over rough and broken ground.
• Officially Licensed 1979 Chevrolet K10 Pickup Body — This highly detailed replica body features authentic K10 styling, bright chrome detailing, and molded scale accessories that create stunning visual appeal both on the shelf and on the trail, combining scale realism with functional design.
• Portal Axles with Metal Gears — Traxxas' signature portal axle design lifts the differentials higher relative to the ground, providing twice the gear reduction of conventional straight-axle designs, which eliminates torque twist, maximises ground clearance, and delivers superior traction in technical situations.
• Clipless Body Mounting System — Hidden internal latches secure the K10 body with a satisfying snap whilst maintaining clean body lines, and releasing the body takes just one second with a light touch inside the fender well—no body clips to lose or fumble with.
• XL-5 HV Waterproof Speed Control — The trail-tuned electronic speed control features both Trail and Crawl modes specifically designed for low-speed technical manoeuvres, whilst full waterproof protection allows confident creek crossings and muddy conditions without electronics damage.
• Powerful Titan 21T Reverse Rotation Motor — This brushed electric motor delivers impressive low-end torque for climbing and crawling whilst featuring an internal cooling fan to maintain performance during extended trail sessions.
• 2-Speed High/Low Transmission with Remote Shifting — The dual-range transmission allows you to select high-speed cruising or low-range crawling power remotely, adapting the truck's characteristics to different terrain and driving styles without stopping.
• Oil-Filled GTS Aluminium Shocks — The K10 High Trail Edition features extended 110mm oil-filled coilover shocks with 8mm bores for authentic proportions and smooth damping, complete with dual X-ring seals and plated shafts that resist leaks and deliver reliable long-term performance.
• Full-Time Shaft-Driven 4-Wheel Drive — Constant power delivery to all four wheels through hardened steel driveshafts with U-joints ensures traction in diverse terrain whilst the 4-gear remote-locking differential provides additional grip control when needed.
• Steel Ladder Frame Chassis — The rigid 1.5mm steel C-channel frame rails extend from bumper to bumper as single pieces with nylon composite crossmembers, creating a durable platform that resists flex during rock crawling and shrugs off impacts.
• Heavy-Duty Steel Suspension Links — High-strength steel upper and lower links feature captured rod ends and steel hollow balls that resist flex and withstand the abuse of technical trail work, maintaining alignment and durability over time.
• Pre-Mounted Oversize 2.2-inch Canyon Trail Tyres — These large 5.3 x 2.14-inch tyres with trail-tuned foam inserts provide exceptional grip and obstacle-climbing capability whilst the 2.2-inch wheel diameter maintains proper scale proportions.
• 2075X Metal-Gear Digital Servo — The chassis-mounted steering servo features metal gears for durability and sufficient torque to handle the demands of technical terrain without binding or stripping under load.
• TQi 2.4GHz 4-Channel Transmitter with Cruise Control — The modern 2.4GHz radio system provides interference-free operation, Traxxas Link telemetry capability, and convenient cruise control to maintain steady speeds on flat terrain.
• Hinged Battery Compartment — The innovative battery strap design allows rapid access and swapping of batteries without removing panels or fasteners, maximising trail time between charge cycles.
• 45-Degree Steering Angle — The wide steering range enables sharp turns and technical line selection on narrow trails, whilst the 3-link front suspension with Panhard bar maintains stability during aggressive steering inputs.
• Dual-Plate Slipper Clutch — This transmission component protects the drivetrain from shock loads during impacts and aggressive acceleration, extending the lifespan of gears and shafts.
• Electronic Hill Hold Brake — The regenerative braking system holds the truck on slopes during pauses, preventing rollback on technical climbs and improving control on steep terrain.

Technical Performance

The Traxxas TRX-4 K10 High Trail Edition delivers serious off-road performance backed by precision engineering and real-world trail testing. Powered by the 21T Titan reverse-rotation brushed motor paired with the XL-5 HV waterproof electronic speed control, this 1/10 scale trail crawler generates impressive torque for climbing and obstacle negotiation. The motor's internal cooling fan maintains performance during extended runs, whilst the brushed design provides smooth, predictable power delivery ideal for technical crawling where modulation and control matter more than raw speed. The XL-5 HV includes dedicated Trail and Crawl modes that optimise throttle mapping for low-speed technical driving, allowing precise control over rocky terrain and precise line selection through challenging sections. The transmission's 32-pitch gears with 2-speed high/low shifting via the radio transmitter give you total command over the truck's power delivery; drop into low range for maximum climbing torque, or shift to high for faster cruising between technical sections. The 4-gear remote-locking differential provides selectable traction control, allowing locked axles for maximum grip when needed or open differentials for more natural cornering on smoother terrain.

The chassis engineering exemplifies Traxxas' decades of trail truck expertise. The 1.5mm steel ladder frame provides structural rigidity that withstands the punishment of rock crawling, whilst the portal axle design with metal ring, pinion, and portal gears delivers twice the gear reduction of conventional designs. This architecture raises the differentials higher relative to the ground, eliminating the torque twist that plagues straight-axle designs and delivering noticeably improved traction and more realistic off-road behaviour. The 3-link front suspension with Panhard bar and 4-link rear suspension create a suspension geometry that maintains wheel contact over uneven terrain whilst the 110mm oil-filled GTS aluminium shocks with dual X-ring seals provide consistent damping performance without leaking. Ground clearance reaches an impressive 99mm at the centre thanks to the factory-installed Long Arm Lift Kit, allowing the truck to clear obstacles that would hang up on standard models. The 70-degree approach angle, 52-degree departure angle, and 67-degree breakover angle combine to enable the truck to climb steep inclines, navigate drop-offs, and traverse rocky terrain with confidence. The extended 336mm wheelbase enhances stability over technical terrain whilst the steel suspension links with captured rod ends resist flex during the twisting forces of rock crawling. Waterproof protection extends to the motor, speed control, and servo, meaning creek crossings and muddy conditions pose no threat to electronics integrity. The dual-fit battery tray accepts either 4–7 cell NiMH packs or 2S–3S LiPo batteries, providing flexibility in power selection based on your preference for run time, performance, or charging convenience.

What's in the Box

• TRX-4 Ready-To-Race 1979 Chevrolet K10 High Trail Edition chassis with body and all mechanical assemblies
• XL-5 HV waterproof electronic speed control with Trail and Crawl modes
• Titan 21T reverse-rotation brushed motor with internal cooling fan
• TQi 2.4GHz 4-channel radio system with cruise control and Traxxas Link enabled transmitter
• High-quality maintenance tools for basic field repairs and adjustments

What You Need to Complete

• Battery pack — TRX-4 accepts NiMH (4–7 cell) or LiPo (2S–3S) batteries; popular options include Traxxas Power Cell 3000mah 8.4V NiMH or Traxxas 5000mah 7.4V or 11.1V LiPo packs
• Battery charger — Traxxas EZ-Peak Live charger (model #TRX2971) is recommended for convenient and fast charging with automatic cell balancing and safety features
• Four AA alkaline batteries for the TQi transmitter (standard AA cells, readily available at any UK retailer)

Frequently Asked Questions

• Is the Traxxas TRX-4 K10 High Trail Edition suitable for beginners? — Yes, this RTR model arrives 95% assembled and ready to run, requiring only battery charging and AA batteries for the transmitter. The straightforward controls and predictable brushed motor make it accessible to new RC enthusiasts, though the technical trail-crawling capability appeals equally to experienced drivers. The skill level is rated at 2, indicating it's user-friendly whilst still offering room to develop driving techniques and trail-reading skills.
• What battery does the Traxxas TRX-4 K10 need? — The TRX-4 accepts a wide variety of battery options including NiMH packs (4–7 cell) and LiPo batteries (2S–3S), giving you flexibility in choosing runtime, power, or charging preference. Common choices include Traxxas Power Cell 3000mah 8.4V NiMH packs for casual trail running, or Traxxas 5000mah 7.4V or 11.1V LiPo batteries for increased power and performance.
• What makes the High Trail Edition different from standard TRX-4 models? — The High Trail Edition features a factory-installed Long Arm Lift Kit that raises the truck over an inch higher than standard variants, extended 110mm oil-filled GTS shocks versus 90mm on standard models, and an extended 336mm wheelbase compared to the 312mm on standard TRX-4 K10 models, all combining to deliver enhanced ground clearance, articulation, and stability for technical trail work.
• Is the TRX-4 K10 waterproof? — The motor, speed control, and all electronics are fully waterproof, allowing creek crossings, muddy conditions, and wet weather operation without concern for electronics damage. The sealed XL-5 HV speed control provides complete protection even during submerged river fords.
• What is the wheelbase and why does it matter? — The K10 High Trail Edition features an extended 336mm wheelbase that captures the proportions of the full-size 1979 Chevrolet K10 whilst providing greater stability during climbs and more forgiving handling over broken terrain compared to shorter-wheelbase models.
• Can I upgrade the motor and speed control? — The TRX-4 platform is renowned for customisation possibilities, however the factory-installed Titan 21T motor and XL-5 HV speed control provide excellent trail performance. Many owners choose to keep these components for reliable crawling whilst upgrading other aspects like suspension geometry or tyre choice based on local terrain.
• What is the difference between Trail and Crawl modes on the XL-5 HV? — Trail mode provides conventional throttle response for standard off-road driving with moderate sensitivity, whilst Crawl mode dramatically reduces throttle sensitivity, allowing incredibly precise low-speed control for technical rock crawling where smooth modulation is essential.
• How long does a battery last per charge? — Runtime varies based on battery capacity, terrain, and driving style, but typical sessions last 20–45 minutes depending on whether you choose a 3000mah NiMH pack or a 5000mah LiPo battery.
• Does the clipless body mounting affect durability? — No—the hidden internal latches use a self-energising design that actually holds tighter if a crash or rollover pulls on the body. Releasing the body is as simple as reaching into the fender well and pulling the latch toward the wheel opening with a light touch.
• What is the approach angle and why does it matter? — The TRX-4 K10 features a 70-degree approach angle, meaning it can drive up steep inclines without the front bumper scraping ground, allowing climbs that would hang up vehicles with less aggressive geometry.

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 TRX-4 1979 Chevrolet K10 Truck 1:10 4WD RTD Electric Trail Crawler, Red (+ TQi 4-ch, XL-5 HV, Titan 550) TRX92056-4-RED 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.