1. Introducció
This manual provides detailed instructions for assembling and operating your UGEARS Tractor 3D Wooden Mechanical Model Kit (Model 70003). This self-assembly model is crafted from high-quality, eco-friendly plywood using precision laser-cutting technology, ensuring all components fit together accurately without the need for glue. The completed model features a functional mechanical movement, showcasing the beauty of gears, pistons, and levers.
The UGEARS Tractor is designed to offer an engaging and educational building experience for individuals aged 14 and up. Please read all instructions carefully before beginning assembly.
2. Informació de seguretat
- Edat recomanada: This kit is recommended for ages 14 and up due to the intricate nature of the parts and assembly process.
- Peces petites: The kit contains small parts which may pose a choking hazard. Keep out of reach of small children.
- Vores esmolades: While laser-cut, some edges may be sharp. Handle components with care.
- Eines: An X-Acto knife or similar precision cutting tool may be helpful for detaching delicate pieces from the plywood sheets. Exercise caution when using sharp tools.
3. Contingut del paquet
Your UGEARS Tractor kit includes:
- Multiple laser-cut plywood sheets with all model components.
- Rubber bands for the mechanical drive.
- An instruction booklet with detailed diagrams.
- Additional small components (e.g., toothpicks for axles, wax for lubrication).
Please verify all components are present and undamaged before starting assembly. Refer to the instruction booklet for a complete list of parts.
4. Instruccions de muntatge
Follow the step-by-step diagrams provided in your instruction booklet. Each piece is precisely cut and numbered for easy identification. It is recommended to detach pieces only as needed to avoid confusion or loss.
Consells clau per al muntatge:
- Careful Detachment: Gently press out the pieces. For very small or intricate parts, use a precision knife to carefully cut the small tabs holding them to the sheet.
- Vores llises: If any piece has rough edges after detachment, lightly sand them with fine-grit sandpaper (not included) or use the provided file to ensure smooth movement and proper fit.
- Lubricació: Apply wax (included) to all moving parts, especially gears and axles, to ensure smooth operation of the mechanical elements. This is crucial for the model to function correctly.
- La paciència és clau: The assembly process requires patience and attention to detail. Do not force pieces together; if a piece doesn't fit, recheck the instructions and ensure no excess material is blocking the connection.

Figure 1: Fully assembled UGEARS Tractor model, showcasing its intricate wooden gears and structure.

Figura 2: Un costat detallat view of the UGEARS Tractor, highlighting the visible internal mechanisms.
Video 1: Official UGEARS video demonstrating the assembly process and functionality of the Tractor 3D Mechanical Model.
Vídeo 2: Un general acabatview of assembling a Wooden City Tractor mechanical model kit, providing helpful tips applicable to similar wooden puzzles.
5. Funcionament
The UGEARS Tractor is powered by a rubber band activated all-wheel drive motor. Once fully assembled and lubricated, wind the mechanism according to the instructions in the booklet. Place the tractor on a flat, smooth surface, and release it to observe its movement. The model is designed to move at approximately 5 centimeters per second.
6. Manteniment
- Neteja: Use a soft, dry cloth to gently wipe dust from the model. Avoid using water or cleaning solutions, as they may damage the wood.
- Lubricació: Reapply wax to gears and moving parts periodically, especially if the movement becomes stiff or noisy.
- Emmagatzematge: Store the model in a dry environment away from direct sunlight and extreme temperature changes to prevent warping or damage to the wood.
7. Solució De Problemes
- Peces que no encaixen: Ensure you are using the correct piece for the step. Check for any small burrs or excess material from the laser cutting that might be preventing a smooth fit. Light filing or sanding can resolve this.
- Mechanism Not Moving Smoothly: Verify that all gears and axles are properly lubricated with wax. Ensure no parts are jammed or misaligned. Recheck the assembly steps for any missed connections or incorrect placements.
- Fragile Parts Breaking: Handle all wooden components with care, especially during detachment and assembly. If a small part breaks, wood glue (not included) can often be used for repair.
8. Especificacions
| Atribut | Detall |
|---|---|
| Marca | UGEARS |
| Número de model | 70003 |
| Dimensions del producte (L x A x A) | 7.9 x 3.4 x 5.4 polzades (muntat) |
| Pes de l'article | 1.07 lliures |
| Material | High-quality, eco-friendly plywood |
| Temps de muntatge | Aproximadament 2-3 hores |
| Edat recomanada | 14 anys i més |
9. Garantia i Suport
For any questions regarding assembly, missing parts, or product functionality, please refer to the contact information provided in your product packaging or visit the official UGEARS website for customer support. Specific warranty details may vary by region and retailer.





