Track system · HO scale

Kato Unitrack HO: track pieces, radii and turnouts

Kato Unitrack HO is a two-rail track system with integrated roadbed for HO scale.

The Trackplanner catalogue lists 28 pieces: 11 straights, 8 curves, 8 turnouts and 1 crossing. The curves come in 7 radii from 430 to 790 mm.

Key facts

ScaleHO scale
Rail systemtwo-rail
Roadbedintegrated roadbed
Statuscurrent — in production and in the shops
Turnout motorintegrated (in the turnout or roadbed)
Pieces in the catalogue28
Radii7 · 430–790 mm
Straight lengths60 · 94 · 114 · 123 · 149 · 174 · 227 · 246 · 369 mm
Turnout angles9.46° · 22.5°

Pieces by type

TypeCount
Straights11
Curves8
Turnouts8
Crossings1

Radii

Radius Angle Articles
430 mm 22.5° 2-260
490 mm 22.5° 2-270
550 mm 22.5° · 10° 2-210 · 2-290
610 mm 22.5° 2-220
670 mm 22.5° 2-230
730 mm 22.5° 2-240
790 mm 22.5° 2-250

Turnouts and crossings

ArticleTypeAngle
2-840 Turnout left 22.5°
2-841 Turnout right 22.5°
2-850 Turnout left 22.5°
2-851 Turnout right 22.5°
2-860 Turnout left 9.46°
2-861 Turnout right 9.46°
2-862 Turnout left 9.46°
2-863 Turnout right 9.46°
2-401 Crossing —

All pieces

Show all 28 pieces
ArticleTypeDimensions
2-105Straight60 mm
2-111Straight94 mm
2-170Straight (end piece)109 mm
2-140Straight114 mm
2-120Straight123 mm
2-193Straight149 mm
2-130Straight174 mm
2-160Straight227 mm
2-150Straight246 mm
2-151Straight246 mm
2-180Straight369 mm
2-260CurveR 430 mm · 22.5°
2-270CurveR 490 mm · 22.5°
2-210CurveR 550 mm · 22.5°
2-290CurveR 550 mm · 10°
2-220CurveR 610 mm · 22.5°
2-230CurveR 670 mm · 22.5°
2-240CurveR 730 mm · 22.5°
2-250CurveR 790 mm · 22.5°
2-840Turnout left22.5°
2-841Turnout right22.5°
2-850Turnout left22.5°
2-851Turnout right22.5°
2-860Turnout left9.46°
2-861Turnout right9.46°
2-862Turnout left9.46°
2-863Turnout right9.46°
2-401Crossing—

Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.