According to my owners manual for a 1994 F350 Turbo Diesel there are 10 quarts of oil including 1 quart for filter replacement ( 1-in the filter--9-in the pan)
9.8 quarts with filter change on the 7.3L Ford Diesel.
According to the 1999 Ford F-350 , 7.3 liter Diesel Supplement : With engine oil filter change : ( 15.0 U.S. quarts ) * the Motorcraft engine oil filter holds 2 quarts of the total oil
400
( 15 quarts ) with engine oil filter change
there are 8
4.8 quarts
15 quarts
The Ford 5.4 liter V8 engine is a ( GASOLINE ENGINE )
I was looking at the 2010 Ford F-250 diesel supplement and it shows : With engine oil filter change ( 15.0 quarts )
about 15qts
12 quarts are needed
A Ford F 250 diesel truck takes approximately 14 quarts of oil. The oil needs to be changed about every 7000 miles.