Hi,
Depends on the hitch weight I guess. Is it triple axle? That can put more of the trailer's weight on it's own wheels, and less on the pin.
It also depends on the trailer balance. Some have the fresh water tank under the bathroom, and in the front of the trailer. Some like Glendale RV Titanium will have the fresh water tanks over the rear axles, so that the hitch weight will not go up or down when it is full or empty.
Glendale made some fifth wheels with really light pin weight. More of the overall weight was on the trailer tires.
I need to change my answer. The 2004 only had a 9,900 GVWR and that is way to low to be towing any fifth wheel, except for the very lightest ones.
What is your curb weight? If it is over 7,300 pounds, then towing any fifth wheel is questionable. That leaves you less than 2,000 pounds for cargo, and a little for passengers and that 200 pound hitch.
IF you want to use a 2003 and earlier, then a dually is required. 2005 the GVWR for the F-250 went up to 10,000 pounds while the F-350 SRW was 11,400 pounds, 1,500 pounds more than the 2004 model.
As for the 6L and 6.4L International engines, they are not recommended by many, who say that the oil cooler is a problem. This can be solved with a simple engine coolant water filter, that needs to be changed every 1,500 miles for the first 2, then about once a year.
Good luck,
Fred.
