HI Walt,
Please contact me at CTT regarding your excellent question.
Sincerely,
Roger Carp
Senior editor
Classic Toy Trains
262-796-8776 ext. 253
I just looked up the specs on Lionel's PRR 2-10-4, and according to Lionel the minimum curve radius for that model is 0-72.
So, as long as you run it on a layout with 0-72 or larger curves you should be OK as far as tracking is concerned.
As an aside, I've found that sometimes you can run a locomotive on a curve radius tighter than the factory specs, but not always. It's best to follow the specs.
Will the drive wheels on the Lionel PRR 2-10-4 remain on 0-72 curves or will they lose contact and overhang the rails?
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