Track system · HO scale
Märklin (1950-1960): track pieces, radii and turnouts
Märklin (1950-1960) is a three-rail track system with integrated roadbed for HO scale. The system is historic and no longer made.
The Trackplanner catalogue lists 21 pieces: 9 straights, 9 curves, 2 turnouts and 1 crossing. The curves come in 2 radii from 535 to 585 mm.
Key facts
| Scale | HO scale |
|---|---|
| Rail system | three-rail |
| Roadbed | integrated roadbed |
| Status | historic — no longer made |
| Turnout motor | manual and electric turnouts are separate articles |
| Pieces in the catalogue | 21 |
| Radii | 2 · 535–585 mm |
| Straight lengths | 28 · 34 · 56 · 112 · 115 · 224 mm |
| Turnout angles | 16.88° |
Pieces by type
| Type | Count |
|---|---|
| Straights | 9 |
| Curves | 9 |
| Turnouts | 2 |
| Crossings | 1 |
Radii
| Radius | Angle | Articles |
|---|---|---|
| 535 mm | 22.5° · 11.25° | 3800 A 1/1 · 3800 A 1/2 · 3800 BSA |
| 585 mm | 22.5° · 11.25° · 5.63° | 390 A 1/2 · 390 A 1/4 · 390 A ZLR · 3900 A 1/1 · 3900 AA · 3900 BSA |
Turnouts and crossings
| Article | Type | Angle |
|---|---|---|
| 3900 MW/L | Turnout left | 16.88° |
| 3900 MW/R | Turnout right | 16.88° |
| 3900 K | Crossing | 16.5° |
All pieces
Show all 21 pieces
| Article | Type | Dimensions |
|---|---|---|
| 3900 D1/8 | Straight | 28 mm |
| 3900 D1/7 | Straight | 34 mm |
| 3900 D1/4 | Straight | 56 mm |
| 3900 ZD | Straight | 56 mm |
| 3900 D1/2 | Straight | 112 mm |
| 3900 DE | Straight | 115 mm |
| 3900 BSD | Straight | 224 mm |
| 3900 D1/1 | Straight | 224 mm |
| 3900 DA | Straight | 224 mm |
| 3800 A 1/1 | Curve | R 535 mm · 22.5° |
| 3800 BSA | Curve | R 535 mm · 22.5° |
| 3800 A 1/2 | Curve | R 535 mm · 11.25° |
| 3900 A 1/1 | Curve | R 585 mm · 22.5° |
| 3900 AA | Curve | R 585 mm · 22.5° |
| 3900 BSA | Curve | R 585 mm · 22.5° |
| 390 A 1/2 | Curve | R 585 mm · 11.25° |
| 390 A 1/4 | Curve | R 585 mm · 5.63° |
| 390 A ZLR | Curve | R 585 mm · 5.63° |
| 3900 MW/L | Turnout left | 16.88° |
| 3900 MW/R | Turnout right | 16.88° |
| 3900 K | Crossing | 16.5° |
Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.
Changes
12 October 2026
-
3900 BSD Number/name corrected
Name corrected: contact track (was "contact track piece")
8 October 2026
-
3800 A 1/1 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3800 A 1/2 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3800 BSA Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
390 A 1/2 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
390 A 1/4 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
390 A ZLR Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 A 1/1 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 AA Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 BSA Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 BSD Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 D1/1 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 D1/2 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 D1/4 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 D1/7 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 D1/8 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 DA Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 DE Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 K Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 MW/L Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
-
3900 MW/R Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
1 more
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3900 ZD Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
5 October 2026
-
3900 K Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
-
3900 MW/L Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
-
3900 MW/R Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.