Description
The KATO 3-115 (HV5) is an HO Unitrack basic oval set built around R550 mm (21-5/8′′) curves — the standard HO mainline radius, sized for a 4×8 ft tabletop and capable of running all 4-axle diesels and 50′ freight.
KATO HO Unitrack system: Code 83 nickel-silver rail molded into a factory-attached ballasted plastic roadbed, with integrated UniJoiners.
- Scale: HO
- Set type: HV5 basic oval (R550 curves)
- Curve radius: 550 mm / 21-5/8′′
- SKU: 3-115


