1. Introduction
Thank you for choosing the Mould King 17074 Engineering LTM Crane building set. This remote-controlled construction crane model offers an intricate and engaging building experience, culminating in a functional all-terrain vehicle. This manual provides essential information for assembly, operation, maintenance, and troubleshooting to ensure a satisfying experience with your model.

Image 1.1: The Mould King 17074 Engineering LTM Crane model, showcasing its detailed design and remote control capability.
2. Safety Information
- CHOKING HAZARD: This product contains small parts and is not suitable for children under 3 years of age.
- Recommended Age: This building set is recommended for individuals 14 years and up.
- Adult Supervision: Adult supervision is recommended during assembly and operation, especially for younger users.
- Proper Disposal: Dispose of all packaging materials responsibly.
- Battery Safety: Follow all battery safety guidelines when installing and replacing batteries for the remote control and model.
3. Package Contents
The Mould King 17074 Engineering LTM Crane package includes:
- Building blocks for the Mould King 17074 Engineering LTM Crane (3218+ pieces).
- Remote control unit.
- Step-by-step building instruction manual.
- Required electronic components (motors, battery box, etc.).

Image 3.1: The Mould King 17074 model, highlighting its total part count of over 3218 pieces and overall dimensions.
4. Setup
4.1 Assembly
Follow the detailed, step-by-step building instructions included in your package. It is recommended to sort the pieces before beginning assembly to facilitate the building process. Ensure all connections are secure to guarantee proper functionality of the crane's moving parts and remote control features.

Image 4.1: An adult and child assembling the Mould King 17074 crane, demonstrating the hands-on building experience.
4.2 Battery Installation
Install the required batteries into the remote control unit and the crane's power unit (if applicable) according to the polarity markings. Refer to the building instructions for specific battery types and quantities.
4.3 Remote Control Pairing
Once batteries are installed, power on the crane model and then the remote control. Follow the pairing sequence detailed in your instruction manual to establish a connection between the remote control and the crane. A successful connection is typically indicated by an LED light on both devices.
5. Operating Instructions
The Mould King 17074 crane offers various functions controlled via the remote unit. Familiarize yourself with the remote control layout before operation.
5.1 Basic Movement
Use the directional controls on the remote to drive the crane forward, backward, and steer left or right. The model is designed with all-terrain capability, allowing for movement on various surfaces.

Image 5.1: The Mould King 17074 crane demonstrating its all-terrain movement capabilities with directional arrows.
5.2 Crane Arm Operation
- Extension/Retraction: Use the designated controls to extend and retract the telescopic crane arm.
- Raising/Lowering: Adjust the angle of the crane arm to raise or lower its position.
- Rotation: Rotate the entire crane console (upper structure) to position the arm precisely.

Image 5.2: Illustration of the crane arm's extension, retraction, and hook movement.
5.3 Hook Operation
Control the winch mechanism to raise and lower the crane hook for lifting and placing objects.
5.4 Outriggers
Extend the outriggers before performing heavy lifting or extending the crane arm to ensure stability. Retract them before moving the crane.

Image 5.3: Detailed view of the crane's functional elements, including outrigger deployment, arm articulation, and console rotation.
6. Maintenance
6.1 Cleaning
To clean your Mould King 17074 crane, use a soft, dry cloth. Avoid using water, solvents, or chemical cleaners, as these can damage the plastic components or electronic parts.
6.2 Storage
Store the model in a cool, dry place away from direct sunlight and extreme temperatures. This will help prevent discoloration and material degradation over time. Remove batteries from the model and remote control if storing for extended periods.
6.3 Part Replacement
In case of missing or damaged parts, refer to the parts list in your building manual. Contact Mould King customer support for assistance with obtaining replacement parts.
7. Troubleshooting
- Model Not Responding:
- Check that batteries are correctly installed and fully charged in both the crane and the remote control.
- Ensure the remote control is properly paired with the crane. Refer to Section 4.3 for pairing instructions. - Crane Functions Not Working (e.g., arm not moving, hook not lifting):
- Verify all electronic connections within the model are secure and correctly assembled according to the instructions.
- Check for any obstructions in the gears or moving parts.
- Ensure the motors are properly connected and receiving power. - Missing Parts During Assembly:
- Carefully re-check all packaging materials. Sometimes small parts can be overlooked.
- Compare your inventory with the parts list in the instruction manual. If parts are genuinely missing, contact Mould King customer support.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | 17074 |
| Brand | Mould King |
| Number of Parts | 3218+ |
| Product Dimensions | 26.99 x 6.63 x 7.57 inches (68.55 x 16.84 x 19.23 cm) |
| Recommended Age | 14 years and up |
| Control Type | Remote Controlled |
| Special Features | All-terrain capability, telescopic crane arm, rotating console, functional outriggers |
9. Warranty and Support
For detailed warranty information, customer service, and technical support, please refer to the contact details provided in the original product packaging or visit the official Mould King website. Please have your model number (17074) and proof of purchase available when contacting support.





