I'm in the process of building a LaBelle wooden SOO caboose model and I wanted to know if the model is prototypical or not. Upon doing further research, there are about as many variations of SOO cabooses as there are variations of snow flakes
I eventually found-out that the caboose I'm assembling actually is very close to an actual prototype (from the late 1800's), but it is a specialty model and only available as a SOO caboose.
So I guess what I'm saying is that if there ever was an actual prototype for the Tyco cabooses you have, it may be difficult or impossible to find out. In addition, as you probably already know, model manufacturers often make a model that is somewhat generic so it can be used for many railroads just by changing the paint scheme... so it's highly unlikely that the cabooses you have would be prototypical w/o modification.
My 2 cents...