As a kid growing up in the 1950's, my most favorite toy next to my American Flyer train set was a Smith-Miller semi-truck that I got for Christmas in 1950. I still have both. Unfortunately, the truck has no front axle. I played with it so much as a kid that the axle wore through and broke in half.
Smith-Miller trucks were (and still are) the Rolls Royce of toy trucks. They went out of business in the mid 1950's, I assume mostly because of their high prices. A guy named Fred Thompson bought the rights to the company about 30 years ago and started making the trucks again.
One of the trucks they currently make is a Southern Pacific tanker truck. This would sure look great displayed in the train room.
Unlike most of our train stuff, all of the parts are made and the assembly is done in the United States. No "Made In China" sticker on these beauties!
Here is a link to the SP tanker, but check out all of their trucks, they are a work of art. Of course there is no such thing as a free lunch. They are not cheap.
http://smittytoytrucks.com/Sal...s/SPTandemTanker.htm