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Great thread, read all three pages... At MSI-Chicago's Great Train Story our HO scale trains are run more in a week then most run in a year. Any plastic wheel is replaced with InterMountain at the start. OEM metal wheels will be given a trial. Walthers wheelsets on their passenger and commuter cars wear out the axle ends in three weeks. They're the only places where we use Kadees, besides the 28 in. on the triple level auto carriers. Some might be aware of the problematic OEM wheels on the Athearn bethgons (2nd run UP) but the first run on the BNSF have just finished four months of nonstop running at MSI. A 24 car MDC train was sidelined as the metal axles have worn through the truck sideframes. We're now experimenting with bearing lube in plastic sideframes. Metal sideframes have always gotten conductive lube. There's a Metra train running on a visitor controlled loop track almost all of which is a superelevated curve. The streetcrossing simulations even wears the edges of the flanges. These cars now sport IM roller bearing wheels. Oh, how much running you ask...ten real miles per day. David Harrison
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