i hav an opportunity to buy a union pacific overland 4-8-4. it is 2 tone grey with yellow stripes, road# 809. i do not know the bachmann part #. i was wondering about installing dcc/snd. is the loco compatible? thank you

im have an opportunity to buy one of these locomotives,but the seller doesn't know the item # or whether the locomotive is dcc ready. is this enough information to tell me if the locomotive is dcc ready? thank you jim l