1. Introduction
Thank you for choosing the Mould King 17028 Road Rescue Vehicle Building Block Kit. This comprehensive kit allows you to construct a detailed and functional model of a road rescue vehicle. Designed for enthusiasts aged 14 and up, this set includes 4883 pieces, a motor, and supports both APP and 2.4G remote control for dynamic operation. Please read this manual carefully before beginning assembly and operation to ensure a smooth and enjoyable experience.
2. Product Overview
The Mould King 17028 is a dynamic building block model of a road rescue vehicle, featuring intricate mechanical details and motorized functions. The model is designed to replicate the functionality of a real-world tow truck, including a deployable crane arm, extendable front arm, opening doors, and a functional towing mechanism. Its robust construction uses high-quality ABS and carbon fiber materials, ensuring durability and compatibility with standard building block systems.

Image: The Mould King 17028 Road Rescue Vehicle showcasing its crane and towing functions.
3. Package Contents
Upon opening your Mould King 17028 kit, please verify that all components are present:
- 4883 Building Block Parts
- 1x 2.4G Lithium Battery Box
- 2x M Motors
- 2x L Motors
- 1x Servo Motor
- Detailed Paper Instruction Manual
If any parts are missing or damaged, please contact Mould King customer support for assistance.
4. Assembly Instructions
The assembly of the Mould King 17028 is a detailed process involving 4883 pieces. Follow the included colorful paper instruction manual step-by-step. Pay close attention to the diagrams and ensure each connection is secure. Proper assembly is crucial for the model's stability and functionality.
For a visual guide to the assembly process, refer to the video below:
Video: Official video demonstrating the assembly process, power access components, and various operational features of the Mould King 17028 Road Rescue Vehicle, including crane movement and towing.

Image: The Mould King 17028 Road Rescue Vehicle showcasing its APP remote control interface.
5. Power Access and Remote Control
The Mould King 17028 is equipped with a motor and a lithium battery for dynamic functions. It supports both APP remote control via Bluetooth and a 2.4G physical remote control. Ensure the lithium battery is fully charged before use. Follow the instructions in the manual to connect the motors and battery box correctly. Download the official Mould King APP for smartphone control, or use the provided 2.4G remote.
6. Operating Functions
Once assembled and powered, the Mould King 17028 offers several interactive functions:
- Opening Doors: The cabin doors can be opened for interior access.
- Deployable/Telescopic Front Arm: The front arm can be deployed and extended.
- Swivel Crane Arm: The main crane arm can be swiveled and extended, with functional hooks.
- Towing Mechanism: The rear towing mechanism can be lowered and engaged to tow other models.
Utilize the remote control (APP or 2.4G) to operate these functions. Refer to the specific control diagrams in your paper manual for detailed instructions on each function.

Image: Detailed view of the Mould King 17028 demonstrating the opening front cabin, opening doors, and expanding telescopic front boom.

Image: The Mould King 17028 Road Rescue Vehicle demonstrating crane operation and the rear towing mechanism.
7. Maintenance
To ensure the longevity and optimal performance of your Mould King 17028 model, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to gently wipe down the model. Avoid using water or harsh chemicals, as these can damage the plastic and electronic components.
- Storage: Store the model in a cool, dry place away from direct sunlight and extreme temperatures.
- Component Check: Periodically inspect all connections and moving parts to ensure they are secure and functioning correctly.
- Battery Care: When not in use for extended periods, fully charge the lithium battery and then store it separately. Avoid overcharging or completely draining the battery.
8. Troubleshooting
If you encounter any issues with your Mould King 17028, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Missing parts during assembly | Packaging error or oversight | Contact Mould King customer support with your purchase details for replacement parts. |
| Motor(s) not working | Low battery, loose connection, or defective motor | Ensure the lithium battery is fully charged. Check all motor connections to the battery box. If the issue persists, contact customer support. |
| Remote control not responding | Battery issue, pairing problem, or interference | Check batteries in the remote control. Re-pair the remote with the model according to the manual. Ensure no strong interference sources are nearby. |
| Model unstable or parts falling off | Incorrect assembly or loose connections | Review the assembly instructions carefully and re-secure any loose parts. |
9. Specifications
- Model Number: 17028
- Number of Pieces: 4883
- Product Dimensions: 23.62 x 7.87 x 8.26 inches (60 x 20 x 21 cm)
- Item Weight: 13.01 pounds
- Power Source: 1 Lithium Metal battery (required)
- Control: APP Remote Control (Bluetooth) and 2.4G Remote Control
- Recommended Age: 14 years and up
- Material: High-quality ABS and Carbon Fiber

Image: Dimensions of the Mould King 17028 Road Rescue Vehicle.
10. Safety Information
Please observe the following safety precautions:
- This product contains small parts and is not suitable for children under 3 years of age due to choking hazards.
- The recommended age for this kit is 14 years and up. Adult supervision is advised for younger builders.
- Do not ingest any parts.
- Handle the lithium battery with care. Do not puncture, heat, or expose to water. Dispose of batteries responsibly.
- Keep the model away from heat sources and open flames.
11. Warranty and Support
Mould King is committed to providing high-quality products. While specific warranty details are not provided, the manufacturer offers support for missing parts. If you encounter any issues or require assistance, please contact Mould King customer service directly. Ensure you have your purchase information readily available.





