Track system · TT scale

Roco TT: track pieces, radii and turnouts

Roco TT is a two-rail track system without roadbed for TT scale.

The Trackplanner catalogue lists 19 pieces: 6 straights, 5 curves, 1 flex track, 5 turnouts, 1 turntable and 1 other piece. The curves come in 2 radii from 321 to 365 mm.

Key facts

ScaleTT scale
Rail systemtwo-rail
Roadbedno roadbed
Statuscurrent — in production and in the shops
Turnout motorsold separately: drive 86112 by Tillig
Pieces in the catalogue19
Radii2 · 321–365 mm
Straight lengths37 · 44 · 60.5 · 64.3 · 121 · 128.7 mm
Turnout angles10° · 20°

Pieces by type

TypeCount
Straights6
Curves5
Flex tracks1
Turnouts5
Turntables1
Other pieces1

Radii

Radius Angle Articles
321 mm 30° · 10° 4080110 · 4080130
365 mm 30° · 20° · 10° 4080210 · 4080220 · 4080230

Turnouts and crossings

ArticleTypeAngle
4080420 Turnout left 20°
4080421 Turnout right 20°
4080410 Turnout left 10°
4080411 Turnout right 10°
4080460 Turnout left —

All pieces

Show all 19 pieces
ArticleTypeDimensions
35901Straight37 mm
4080100Straight44 mm
4080101Straight60.5 mm
4080102Straight64.3 mm
4080103Straight121 mm
4080104Straight128.7 mm
4080130CurveR 321 mm · 30°
4080110CurveR 321 mm · 10°
4080230CurveR 365 mm · 30°
4080220CurveR 365 mm · 20°
4080210CurveR 365 mm · 10°
4080105Flex track640 mm
4080420Turnout left20°
4080421Turnout right20°
4080410Turnout left10°
4080411Turnout right10°
4080460Turnout left—
35900Turntable—
4080461Other piece—

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