Here's some info I've gathered over the years:
There was a Hiawatha 4-4-2 (without Indian on tender) sold by Weaver in 2001, #1093-S/L/LP
There were other variations (engine numbers & Indian on tender) sold in 2001 as #1095-S/L/LP
The Hiawatha 5-car passenger set, #1231-S/L, was first marketed in 2000, and marketed (manufactured?) again in 2004, but perhaps with a different set #1276-S/L.
Catalogs from 2009 to the end only show the #1276-S/L passenger set. Can't vouch for reliability of info, so take it for what it's worth.