Track system · O scale

Lionel O-27 tubular track: track pieces, radii and turnouts

Lionel O-27 tubular track is a three-rail track system without roadbed for O scale.

The Trackplanner catalogue lists 14 pieces: 6 straights, 4 curves, 2 turnouts and 2 crossings. The curves come in 3 radii from 342.9 to 685.8 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 catalogue14
Radii3 · 342.9–685.8 mm
Straight lengths123.8 · 222.3 · 889 mm
Turnout angles45°

Pieces by type

TypeCount
Straights6
Curves4
Turnouts2
Crossings2

Radii

Radius Angle Articles
342.9 mm 45° · 22.5° 6-65014 · 6-65033
533.4 mm 30° 6-65049
685.8 mm 22.5° 6-65113

Turnouts and crossings

ArticleTypeAngle
6-65021/65121 Turnout left 45°
6-65022/65122 Turnout right 45°
6-65020 Crossing —
6-65023 Crossing —

All pieces

ArticleTypeDimensions
6-65019Straight123.8 mm
6-12746Straight222.3 mm
6-12841Straight222.3 mm
6-65038Straight222.3 mm
6-65149Straight222.3 mm
6-65024Straight889 mm
6-65033CurveR 342.9 mm · 45°
6-65014CurveR 342.9 mm · 22.5°
6-65049CurveR 533.4 mm · 30°
6-65113CurveR 685.8 mm · 22.5°
6-65021/65121Turnout left45°
6-65022/65122Turnout right45°
6-65020Crossing—
6-65023Crossing—

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).