FORD 2005 Expedition v.3 - Manual (Page 244)

Example only:
Cargo Weight – includes all weight added to the Base Curb Weight,
including cargo and optional equipment. When towing, trailer tongue load
or king pin weight is also part of cargo weight.
2005 Expedition (exd)
Owners Guide (post-2002-fmt)
USA (fus)
Tires, Wheels and Loading
244