1. Introduction
The Wltoys 10428-B2 is a super powerful 1:10 scale desert buggy cross-country truck designed for enthusiasts of remote control vehicles. This model is engineered to perform across various challenging terrains, including roads, deserts, rocks, grass, and muddy paths, and even excels in climbing hills. Its advanced suspension system, featuring super long travel and soft springs, ensures exceptional performance in crawling and climbing scenarios. The 10428-B2 comes ready-to-run (RTR), offering an exciting and challenging experience right out of the box.
Figure 1: Wltoys 10428-B2 RC Car and Remote Control
2. Safety Warnings
- This RC model is not a toy and is not suitable for children under 14 years old.
- Not suitable for children under 36 months due to small parts.
- Carefully read the instruction manual before any use. If you are a beginner, it is advisable to be assisted by an experienced adult.
- Always operate the vehicle in a safe environment, away from people, pets, and obstacles.
- Exercise caution and take care of the product during operation and maintenance.
3. Package Contents
The Wltoys 10428-B2 package includes the following items:
- 1 x Wltoys 10428-B2 1:10 RC Car
- 1 x 2.4Ghz Transmitter (Remote Controller)
- 1 x 7.4V 2200mAh LiPo Battery
- 1 x Battery Charger
- 1 x Cross Wrench
- 1 x Instruction Manual
Figure 2: Wltoys 10428-B2 Package List
4. Product Overview
4.1 RC Car Features
- High torque 540 brushed motor for speeds up to 50KM/h.
- Twin hammer front suspension and straight back bridge with long travel suspension for excellent trafficability.
- High strength body structure for enhanced durability.
- Inner-sponge supported high-grip rubber tires for superior traction.
- Front and back differentials for more stable performance.
- LED headlights and tail lights for night operation.
- High precision steering system and scalable transmission shaft.
- Long travel shock absorbers.
Figure 3: Wltoys 10428-B2 Product Details
Figure 4: LED Headlight and Tail Light
4.2 Remote Control (Transmitter)
The 2.4Ghz 2CH full proportional remote control provides a stable connection and precise control over the vehicle.
Figure 5: Remote Control Diagram
- Power Indicator: Shows the power status of the remote control.
- Power Switch: Turns the remote control ON/OFF.
- Steering: Controls the direction of the car (left/right).
- Steering Trimming: Adjusts the neutral position of the steering.
- Throttle Trimming: Adjusts the neutral position of the throttle.
- Throttle: Controls the speed and forward/reverse movement of the car.
5. Initial Setup
5.1 Charging the Car Battery
- Connect the provided 7.4V 2200mAh LiPo battery to the battery charger.
- Plug the charger into a suitable power source.
- Allow approximately 3 hours for a full charge. Do not overcharge the battery.
- Once charged, disconnect the battery from the charger.
5.2 Installing Batteries in the Remote Control
- Open the battery compartment on the back of the 2.4Ghz Transmitter.
- Insert 4 AA batteries (not included) into the compartment, ensuring correct polarity.
- Close the battery compartment securely.
Figure 6: Battery and Remote Control
6. Operating Instructions
6.1 Powering On and Pairing
- Ensure the car's battery is fully charged and securely connected inside the car.
- Turn on the power switch on the RC car.
- Turn on the power switch on the remote control. The remote and car should automatically pair. The power indicator on the remote will show a solid light once paired.
6.2 Driving Controls
- Throttle: Use the trigger on the remote control to accelerate forward or reverse. Pull the trigger towards you for forward motion, and push it away for reverse.
- Steering: Use the steering wheel on the remote control to turn the car left or right.
- Trimming: If the car does not drive straight or stops when the controls are centered, use the Steering Trimming and Throttle Trimming dials to fine-tune the neutral positions.
The car features 4-wheel drive and 4 control channels, allowing for precise and responsive handling. The control range is approximately 100 meters.
Figure 7: Conquering All Terrain
7. Maintenance
- Cleaning: After each use, especially in dusty or muddy conditions, clean the car to remove dirt and debris. Use a soft brush or compressed air for hard-to-reach areas.
- Inspection: Regularly inspect all parts for damage, wear, or loose connections. Pay attention to the suspension, wheels, and steering components.
- Battery Care: Store the LiPo battery in a cool, dry place. Do not leave it fully charged or fully discharged for extended periods. Follow LiPo battery safety guidelines.
- Storage: When not in use, store the RC car and remote control in a dry place, away from direct sunlight and extreme temperatures. Remove batteries from the remote control if storing for a long time.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Car does not respond to remote. | Low battery in car or remote; Not paired; Power switches off. | Charge car battery; Replace remote batteries; Ensure both power switches are ON and re-pair. |
| Car drives crooked. | Steering trim needs adjustment. | Adjust the Steering Trimming dial on the remote control. |
| Reduced range or intermittent control. | Interference; Low battery in remote. | Move to an area with less interference; Replace remote batteries. |
| Short operating time. | Battery not fully charged; Old battery. | Ensure battery is fully charged (approx. 3 hours); Consider replacing the battery if it's old. |
9. Specifications
| Feature | Detail |
|---|---|
| Model | Wltoys 10428-B2 |
| Scale | 1:10 |
| Type | RC Car (Cross-country, Desert Buggy, Rock Crawler) |
| Power Source | Electric |
| Motor | 540 Brushed Motor |
| Drive System | 4-Wheel Drive (4WD) |
| Control Channels | 4 Channels |
| Controller Mode | MODE2 |
| Remote Distance | About 100m |
| Working Time (Flight Time) | About 10 minutes |
| Car Battery | 7.4V 2200mAh LiPo battery |
| Charging Time | About 3 hours |
| Dimensions (L*W*H) | 400 * 245 * 200mm / 15.7 * 9.6 * 7.9in |
| Item Weight | 1798g |
| Wheelbase | 300mm |
| Ground Clearance | 70mm |
| Wheel Diameter | 110mm |
| Wheel Width | 35mm |
| Tire Track | 35mm |
| Material | ABS, Plastic, Metal |
| State of Assembly | Ready-to-Go |
| Batteries Included (Car) | Yes |
| Batteries Included (Transmitter) | No (Requires 4*AA) |
| Recommended Age | 14+ years |
| Certification | 3C |
| Origin | Mainland China |
Figure 8: Car Dimensions and Weight
10. User Tips
- The Wltoys 10428-B2 is designed for an engaging remote control car racing experience. Its ready-to-go nature makes it easy to start enjoying.
- Expect approximately 10 minutes of action time per charge, so plan your play sessions accordingly or consider having a spare battery for extended fun.
- Take advantage of the full proportional control for precise steering and throttle adjustments, which is key for navigating challenging terrains.
11. Warranty and Support
The Wltoys 10428-B2 comes with a 1-month warranty from the date of purchase. For any issues or support inquiries, please contact the seller, Toy Club Store, directly. Ensure you retain your proof of purchase for warranty claims.





