Product Overview
The Kato UNITRACK V2 Single Track Viaduct Set is designed to expand existing N Scale model train layouts, specifically complementing the M1 Basic Oval Set. This set allows for the creation of an elevated track section, including a viaduct loop and a bridge, enhancing the complexity and visual appeal of your model railway.

The product box displays the included components: a single track bridge, elevated piers, and curved viaduct track sections, all part of the N Scale UNITRACK system.
Components Included
The V2 Single Track Viaduct Set contains the following components:
- Elevated pier set
- Viaduct loop track sections
- Silver bridge section
Setup Instructions
The Kato UNITRACK system is known for its snap-together design, making assembly straightforward. No complex tools are required for basic setup.
- Prepare Your Layout: Ensure you have a stable, flat surface for your model train layout. This set is designed to integrate with existing Kato UNITRACK layouts, such as the M1 Basic Oval Set.
- Assemble Viaduct Loop: Connect the viaduct loop track sections together. These sections are designed to form a continuous curve.
- Attach Elevated Piers: Position the elevated pier set along the path of the viaduct loop. The piers provide support and elevation for the track. Ensure they are securely placed under the track sections.
- Integrate Bridge Section: Insert the silver bridge section into the viaduct loop at the desired location. The bridge connects seamlessly with the viaduct track.
- Connect to Main Layout: Connect the ends of the viaduct loop to your existing UNITRACK layout. The snap-track system ensures a secure and reliable connection.
- Test Connections: After assembly, gently run a train over the newly installed viaduct and bridge to ensure all connections are secure and the track is level.
Operation
Once assembled, the V2 Single Track Viaduct Set functions as an integral part of your N Scale UNITRACK system. Trains will traverse the elevated sections, adding dynamic movement to your layout. Ensure that the power supply to your UNITRACK system is correctly connected and functioning.
Maintenance
Proper maintenance ensures the longevity and smooth operation of your UNITRACK components:
- Cleaning Track: Regularly clean the track surfaces with a soft, lint-free cloth to remove dust and debris. For stubborn grime, use a specialized track cleaning fluid.
- Inspecting Connections: Periodically check all track connections for tightness and proper alignment. Loose connections can lead to power interruptions or derailments.
- Storage: When not in use, store track components in a clean, dry environment away from direct sunlight and extreme temperatures to prevent warping or damage.
- Handling: Handle track sections and piers carefully to avoid bending or breaking the plastic components.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Train struggles on incline or derails | Incline too steep for locomotive/cars; insufficient traction; uneven track connection. | Ensure track connections are smooth. Some locomotives may have difficulty with steep grades, especially with many cars. Consider reducing the number of cars or adding a longer, more gradual approach to the incline if possible. |
| No power to elevated track section | Loose track connection; dirty track; faulty power feeder. | Check all track connections for tightness. Clean track surfaces. Ensure power feeder wires are securely attached to the track and power pack. |
| Track sections do not connect smoothly | Misalignment; debris in rail joiners. | Ensure track sections are perfectly aligned before pushing together. Check rail joiners for any obstructions and clear them if necessary. |
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Kato |
| Model Number | 20-861-1 |
| Set Name | V2 UNITRACK Single Track Viaduct Set |
| Manufacturer | Kato Trains |
| Item Weight | 0.5 Pounds |
| Material Type | Acrylonitrile Butadiene Styrene |
| Minimum Age (Manufacturer) | 14.0 Months |
| Assembly Required | No |
| Operation Mode | Manual |
Warranty Information
Kato USA provides a 60-day warranty against manufacturer defects for this product. Please retain your proof of purchase for warranty claims. For specific details regarding warranty coverage and procedures, refer to the official Kato USA website or contact their customer service.
Customer Support
For further assistance, technical support, or inquiries regarding replacement parts, please visit the official Kato USA website or contact their customer service department. Always refer to the model number (20-861-1) when seeking support.