challenger

Recently purchased a AHM 4-6-6-4 Challenger with the Delaware & Hudson road name. Looking to get a rough idea on how old it is and what motor it could be running. I know that these models were made in Italy by Rivarossi for AHM from the late 70s - 90s with a few changes in motors throughout the...

So I have a box from my grandpa that claims to be a Bachmann Challenger. However, when I tried to look for it on the web for it's value, I find that the Bachmann Challenger is orange. I have this...