Question by  MattB (37)

What are standard model railroad gauges and dimensions?

I need information on model railroad gauges and dimensions.


Answer by  hartford (506)

Gauges for model trains are the measurements between the outside rails of the track. The gauges are denoted by letters. The smallest is "Z' at .256" The largest measures 2.125".


Answer by  duggielanger (44)

the standard gauge is size 0 gauge 7mm or 1:43. 5 scale. This is the most common in the world


Answer by  helol25 (680)

Well the standard sizes for the gauges and the dimensions on the market are actually 1,250–1,700 mm and you can convert to inches.


Answer by  Krissie (551)

Do you want to fit the train in your basement or backyard? Gauge depends on the distance between the two rails of the tracks, and some common gauges for small sets are O, N, HO, and Z. O is biggest, N is smallest. A good, common outdoor gauge is G.


Answer by  Kar (111)

4ft. by 8 1/2 is standard gauge. This is also dependent on what era you're looking at. Look to see what era your model is from.


Answer by  HilaryC (1382)

The most common and standard ones for model railroads are small: N , Medium: HO , and Big: O .


Answer by  Advisor (1032)

There are countless models and track configurations. Consult an almanac for the period or invest in a theoretical gauge guide that will give gauge illustrations and dimensions for countless combinations.


Answer by  Taran (716)

Standard Gauge page. According to this page, and other's I've since found, Standard Gauge was 2. 125 inches. However, there appear to have been some manufacturers who made comparable trains at 2. 25 inch gauge. These were called "Wide Gauge".

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