Ford 2006 E-150 Owner's Manual page 118

Tires, Wheels and Loading
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.
118
2006 Econoline (eco)
Owners Guide (post-2002-fmt)
USA (fus)