Griff Murphey posted:The only 900 class Mountains in T&P scheme I am familiar with are the semiscale MTH and "Sears" Lionel ones, both with inaccurate coal tenders for starters, and the postwar blue/white passenger schemes some of them wore for the last 5 years of steam on T&P before full dieselization.
Remember, Bob2 is a 2-Rail modeler and scratch builder. There is no telling what model he is referring to, until he provides photos and additional information.