I am having problems with wheel slip on my steam locomotives.At first I thought it was just a certain locomotive.But when put another locomotive it started doing the same thing.So I stopped and cleaned the track.Still slipping I am gonna have to clean the locomotives wheels.And clean the track with some thing that will get cut the grease/dirt up.I have tried denatured alcohol.But it looks like I need some else.Any helpful tips I will be very greatful.
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