Yes those are the exact answers from Ford. It will tell you what cabs and engine combos can have plow packages, and if they are recomended for plowing. Also states the amount of people that should be in the cab while plowing.
ROYAL body, from calif, is under contract to supply a service body / dump combo to american body company (a.b.c.). a.b.c. is a truck pool, thus the royal body will show up in the truck dealer's lots. there are a numerous divisions in a.b.c., including independence truck (outside wash d.c.) and liberty truck body (in south n.j.).
this body is heavy without a load, so buy a good truck with enough rating in the axles and springs and a set of b---s.