Reply to "Are MTH Premier Locos with scale wheels considered P48 (true scale)?"

GG1 4877OGR Forum Member SUPPORTING MEMBERDIGITAL SUBSCRIBER

MTH's 3/2 locomotives are not P48. They are what two railers call OW5 for O scale wide guage 5'. In other words the same spacing as three rail track.

While 1:48 is the NMRA standard for Scale O in the US, most of the rest of the world uses 1:45.

Proto 48 is a different variation that uses true spacing of track at 1:48 to get the correct 4' 8-1/2" between the rails, so the MTH trucks are not gauged for that rail spacing. Another tenant of Proto 48 is typically much closer to scale flanges than even standard 2 rail. Proto 48 flanges are very small.

It's a great way to model if you have the time and the patience to do it! I currently don't.

5/11/177:18 PM

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