Track system · O scale

Lionel O tubular track: track pieces, radii and turnouts

Lionel O tubular track is a three-rail track system without roadbed for O scale.

The Trackplanner catalogue lists 16 pieces: 5 straights, 5 curves, 4 turnouts and 2 crossings. The curves come in 4 radii from 393.7 to 914.4 mm.

Key facts

ScaleO scale
Rail systemthree-rail
Roadbedno roadbed
Statuscurrent — in production and in the shops
Turnout motorintegrated (in the turnout or roadbed)
Pieces in the catalogue16
Radii4 · 393.7–914.4 mm
Straight lengths139.7 · 254 · 1016 mm
Turnout angles22.5° · 45°

Pieces by type

TypeCount
Straights5
Curves5
Turnouts4
Crossings2

Radii

Radius Angle Articles
393.7 mm 45° · 22.5° 6-65501 · 6-65504
533.4 mm 30° 6-12925
685.8 mm 22.5° 6-65554
914.4 mm 22.5° 6-65572

Turnouts and crossings

ArticleTypeAngle
6-14062 Turnout left 45°
6-14063 Turnout right 45°
6-65165 Turnout right 22.5°
6-65166 Turnout left 22.5°
6-65540 Crossing —
6-65545 Crossing —

All pieces

Show all 16 pieces
ArticleTypeDimensions
6-65505Straight139.7 mm
6-12840Straight254 mm
6-65500Straight254 mm
6-65530Straight254 mm
6-65523Straight1016 mm
6-65501CurveR 393.7 mm · 45°
6-65504CurveR 393.7 mm · 22.5°
6-12925CurveR 533.4 mm · 30°
6-65554CurveR 685.8 mm · 22.5°
6-65572CurveR 914.4 mm · 22.5°
6-14062Turnout left45°
6-14063Turnout right45°
6-65165Turnout right22.5°
6-65166Turnout left22.5°
6-65540Crossing—
6-65545Crossing—

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

Changes

No changes since the change log began (12 November 2026).