Track system · N scale

Kato Unitrack N: track pieces, radii and turnouts

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

The Trackplanner catalogue lists 68 pieces: 30 straights, 21 curves, 4 turnouts, 1 Y turnout, 4 crossings, 1 double slip, 1 turntable and 6 other pieces. The curves come in 10 radii from 150 to 718 mm.

Key facts

ScaleN scale
Rail systemtwo-rail
Roadbedintegrated roadbed
Statuscurrent — in production and in the shops
Turnout motorintegrated (in the turnout or roadbed)
Pieces in the catalogue68
Radii10 · 150–718 mm
Straight lengths28.5 · 29 · 33 · 38 · 45.5 · 62 · 64 · 78 · 124 · 186 · 248 mm
Turnout angles15° · 15.01°

Pieces by type

TypeCount
Straights30
Curves21
Turnouts4
Y turnouts1
Crossings4
Double slips1
Turntables1
Other pieces6

Radii

Radius Angle Articles
150 mm 45° 20-174
183 mm 45° 20-172
216 mm 45° · 15° 20-170 · 20-171
249 mm 45° · 15° 20-035 · 20-100 · 20-101
282 mm 45° · 15° 20-036 · 20-110 · 20-111
315 mm 45° · 15° 20-037 · 20-120 · 20-121
348 mm 45° · 30° 20-038 · 20-040 · 20-130 · 20-132
381 mm 30° 20-039 · 20-140
481 mm 15° 20-160
718 mm 15° 20-150

Turnouts and crossings

ArticleTypeAngle
20-202 Turnout left 15.01°
20-203 Turnout right 15.01°
20-220 Turnout left 15°
20-221 Turnout right 15°
20-222 Y turnout —
20-300 Crossing —
20-301 Crossing —
20-320 Crossing —
20-320 Crossing —
20-839 Double slip 45°

All pieces

Show all 68 pieces
ArticleTypeDimensions
20283SStraight28.5 mm
20-091BStraight29 mm
20-092BStraight33 mm
20-092AStraight38 mm
20-091AStraight45.5 mm
20-048Straight (end piece)50.5 mm
20-035Straight (end piece)50.8 mm
20-028Straight62 mm
20-040Straight62 mm
20-041Straight62 mm
20-045Straight62 mm
20-046Straight (end piece)62 mm
20-047Straight (end piece)62 mm
20-030Straight64 mm
20-032Straight64 mm
20-033Straight (end piece)64.2 mm
20-034Straight (end piece)64.2 mm
20-050Straight78 mm
20-020Straight124 mm
20-024Straight124 mm
20-027Straight124 mm
20-464Straight124 mm
20651Straight124 mm
20-010Straight186 mm
20-026Straight186 mm
20-454Straight186 mm
20-000Straight248 mm
20-025Straight248 mm
20-434Straight248 mm
20046AStraight (end piece)—
20-174CurveR 150 mm · 45°
20-172CurveR 183 mm · 45°
20-170CurveR 216 mm · 45°
20-171CurveR 216 mm · 15°
20-035CurveR 249 mm · 45°
20-100CurveR 249 mm · 45°
20-101CurveR 249 mm · 15°
20-036CurveR 282 mm · 45°
20-110CurveR 282 mm · 45°
20-111CurveR 282 mm · 15°
20-037CurveR 315 mm · 45°
20-120CurveR 315 mm · 45°
20-121CurveR 315 mm · 15°
20-040CurveR 348 mm · 45°
20-132CurveR 348 mm · 45°
20-038CurveR 348 mm · 30°
20-130CurveR 348 mm · 30°
20-039CurveR 381 mm · 30°
20-140CurveR 381 mm · 30°
20-160CurveR 481 mm · 15°
20-150CurveR 718 mm · 15°
20-202Turnout left15.01°
20-203Turnout right15.01°
20-220Turnout left15°
20-221Turnout right15°
20-222Y turnout—
20-300Crossing—
20-301Crossing—
20-320Crossing—
20-320Crossing—
20-839Double slip45°
20-283Turntable—
20-021Other piece—
20-210Other piece—
20-435Other piece—
20-458Other piece—
20-825Other piece—
20-826Other piece—

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