HBX 3100A V3 Guide: A 1/16 Brushless 4WD Short Course Truck

The HBX 3100A V3 1/16 Brushless Short Course Truck combines compact dimensions with a 4WD drivetrain, a 2840 3800KV brushless motor, gyro-assisted control, oil-filled shocks, metal drivetrain components, and 2S/3S power compatibility. It is designed for drivers who want a small truck that can handle faster open-area driving while remaining easier to transport and store than a larger 1/10-scale model.

The All4RC listing also contains model-specific replacement and upgrade parts. The complete truck and the parts-only selections are different variants, so it is important to choose the exact option required.

Compact 1/16 Scale with Brushless Power

Measuring approximately 36.5 × 18.5 × 14 cm, the HBX 3100A V3 is small enough to carry easily while still providing enough wheelbase and suspension travel for outdoor driving. The 2840 3800KV brushless motor delivers power through an integrated 2-in-1 brushless ESC and receiver, which is fitted with a cooling fan.

HBX rates the truck for speeds up to approximately 45 km/h with the included 2S battery. With a suitable compatible 3S LiPo, sold separately, the supplier claims speeds up to approximately 60 km/h. Actual speed depends on battery condition, surface, load, gearing, tire condition, and environmental factors.

4WD Drivetrain with Metal Components

The four-wheel-drive system uses powder-metallurgy metal gears, reinforced steel drivetrain shafts, and metal drive cups. These components are intended to manage the load generated by the brushless power system while transferring drive to all four wheels.

Ball bearings help reduce friction through the drivetrain. As with any performance RC truck, regular inspection is worthwhile: remove dirt from moving parts, check the drive cups and shafts for wear, and confirm that fasteners remain secure after harder runs.

Independent Front Suspension and Rear Solid Axle

The HBX 3100A V3 combines independent front suspension with a rear solid axle. This layout differs from the fully independent suspension found on many small short-course trucks. The front end can respond separately to bumps while steering, while the rear axle keeps the rear wheels linked as one assembly.

Aluminum-capped oil-filled shocks provide damping at all four corners. Correct damping helps the truck settle after bumps, maintain tire contact, and reduce uncontrolled bouncing. Shock condition and oil leakage should be checked periodically, particularly after impacts.

Adjustable Gyro and Speed Limiter

The six-channel 2.4GHz proportional radio system allows progressive throttle and steering rather than simple full-input commands. The transmitter also provides adjustable gyro gain and a speed limiter.

Gyro assistance can help correct unwanted rear movement during acceleration or on loose surfaces. A lower speed limit is useful for new drivers, smaller areas, or early setup checks. As confidence increases, the speed limit and gyro response can be adjusted to suit the surface and driving style.

The supplier rates the control range at more than 150 meters under suitable conditions. Real-world range varies with radio interference, battery condition, antenna position, terrain, and obstacles, so the truck should always be kept within clear sight.

Included 2S Battery and Optional 3S Setup

The RTR package includes a 7.4V 1200mAh 2S LiPo battery and USB charging cable. The transmitter is supplied with a rechargeable 18650 cell. Two spare tires are also included with the complete truck package.

A compatible 3S battery can increase speed, but it also increases motor temperature, drivetrain load, and stopping distance. Before using 3S, confirm the connector, physical dimensions, and voltage compatibility. Monitor electronics temperatures, allow cooling between runs, and avoid repeated full-throttle passes if the system becomes excessively hot.

Water Resistance Is Not Waterproofing

The electronics are described as water resistant, but the truck must not be submerged. Wet grass, puddles, and deep standing water can still allow moisture to reach bearings, connectors, electronics, and metal components.

After damp use, disconnect the battery, dry the truck thoroughly, inspect the drivetrain, and check for trapped moisture. Water resistance should be treated as limited protection from splashes rather than permission to drive underwater.

LED Lights and Steering Hardware

LED lighting improves visibility and gives the truck a finished scale appearance. Steering is handled by a 17g three-wire servo, a serviceable configuration that also makes the relevant replacement part easier to identify if maintenance is needed later.

Before each run, confirm that steering moves freely, the trim is centered, and the wheels return correctly. A binding linkage or damaged steering component can place unnecessary load on the servo.

RTR Package Contents

• 1 × HBX 3100A V3 truck in the selected color
• 1 × six-channel 2.4GHz transmitter
• 1 × rechargeable transmitter 18650 cell
• 1 × 7.4V 1200mAh 2S LiPo battery
• 1 × USB charging cable
• 1 × user manual
• 2 × spare tires

Replacement and Upgrade Parts Support

The same All4RC product page includes parts for suspension, chassis protection, wheels, drivetrain, steering, shocks, lighting, servo, motor, and replacement bodies. This makes it easier to find model-specific components without searching through unrelated listings.

Each parts-only variant includes only the named component, not the complete truck. Match the exact F-series, motor, or body number before ordering. Some assemblies may require the reuse of original screws, bearings, or mounting hardware.

Who Is the HBX 3100A V3 For?

• Drivers moving beyond entry-level brushed trucks who want a compact brushless platform.
• Short-course truck fans interested in a distinctive independent-front and solid-rear suspension layout.
• Drivers with limited storage space who still want 4WD and higher-speed capability.
• Owners who value parts support for maintenance, repairs, and selected upgrades.
• Experienced users exploring 3S who understand battery compatibility, temperature monitoring, and increased drivetrain load.

Final Thoughts

The HBX 3100A V3 combines useful performance hardware with a practical 1/16-scale footprint. Its brushless motor, 4WD drivetrain, metal gears and shafts, oil-filled shocks, adjustable gyro, and speed limiter provide room for both controlled learning and faster driving. Model-specific spare and upgrade options also make the platform easier to maintain over time.

For current truck-color availability, parts choices, specifications, and package details, view the HBX 3100A V3 1/16 Brushless Short Course Truck at All4RC.