N 20-172 Unitrack Curve 183MMR 45 Degree (4) is a model railway accessory designed to support, enhance, or detail a layout in N scale.
Featuring:- Track Section: Curved track pieces designed for creating smooth 45-degree curves with a 183mm radius in model railway layouts.
- Scale & Layout Compatibility: Compatible with N scale Unitrack systems.
- Construction & Detail: Manufactured with precision-moulded components for reliable track alignment and connectivity.
- Integration & Expansion: Easily connects with other Kato Unitrack sections for seamless layout expansion and modification.
- Scale: N
- Brand: Kato
- Accessory Category: Track
- Included: 4 curved track sections
Suitable for modellers working in N scale layouts who want to expand track layouts and create smooth, reliable curves using the Kato Unitrack system.
Why this accessory mattersThe N 20-172 Unitrack Curve 183MMR 45 Degree (4) enables easy and precise layout expansion, allowing for flexible track design and integration within the Kato Unitrack ecosystem.
How to use itSimply connect each curved track section to compatible Kato Unitrack pieces using the integrated Unijoiner system for secure and accurate alignment. No additional tools or assembly required.

