I have been wanting to do this for over ten years. I really like the late 50's F800, I would like to put a four or five foot sleeper cab on it and a fendered flat bed of sorts. I was thinking of using a 7.3 diesel because of having several of them and tons of parts. Then I saw a post about how they are controlled electrically and said, duh, forgot about that part. I really like the heavy duty dash in the F800's. That would take some serious rework. I couldn't make up my mind on if I should use the old 50's frame or use a late model frame. The truck I am looking at has the same wheelbase as my "99" f350 cc longbed. The ride would be so much nicer on the 350 suspension over the 800's. All of the modern technology would be nice too.
Has anyone measured the width of the old suspension of the F800's? I wonder if a dually front from a modern F350 would be wide enough?
I even have my better half on board with the truck, she likes the look.
How does the DOT handle heavy trucks when hauling 5th wheel campers? Would I be subject to weigh stations on the x-press way? I think I would have to go with the modern drivetrain for speed reasons. After days of reading posts on here I think 45 or 50 miles per hour might get me run off the road.
Was thinking of extra windows in the sleeper cab with captain chairs after pulling the bed.
Thoughts of keeping the 800's frame keep popping up in my mind to stop the bobbing and flex that is known to plague the modern super duty's.
So much more to research. Feel free to throw out any pros or cons, even the simple ones. When I get thinking on something like this I can tend to skip over the simple stuff when the smoke starts to rise from my ears.
Well. I finally posted after lurking here for years on the sidelines. . Now I might ramble for an eternity.
Time to head out to clean up some of my projects to see if I can fit another project in my barn.
DOT can and often will, combine the GWR of both the trailer and the truck pulling it. (GCVWR) If those two combos exceed 26,000 then you must have a CDL to legally tow with it, even for personal use. That is the way the law is written.
My 96 F800 has a GVW of 24,500 which on paper limits me to a trailer with a gvw of 1,500, as an example, without having a CDL.
If you mount the cab on a later model one ton chassis, you will need registration for the chassis, and the cab. It is possible in some states to register it as an RV with a combined registration.
Now, in practice, if your truck is registered with "tonnage" of 26,000, and you are pulling RV's, DOT often only checks to make sure you have paid the extra fees to have a GCVWR of 26,000, and doesn't compare data plates. (More interested in the tax revenue). That may be changing now, as I hear they are getting more strict with RV haulers.
My plan for my truck,,,,,, I already have a 42 inch sleeper that I am preparing to mount to my truck, which will allow me 8ish feet of bed space behind it. I will also have fifth wheel hitch etc. Whether I put it into commercial use or not, I haven't decided, but it will be the truck I want to have anyway
Just a thought, couldn't you register a truck that age as private antique vehicle ? Would you need CDL then ?
Guys on forums.justoldtrucks.com could tell you.
Similar to what I'm doing to the LN8000 I have.
check you state rules
I can adjust the GVW in my state to cover both.
Many people are starting to get over the road trucks with air brakes and using them to pull hugh 5th wheel travel trailers without a CDL.
Every state is different....I think 25 years is the requirement for antique plates.
I have a international 4700 that will be a RV hauler nothing special required in VA registered for private use
2007 Expedition Eddie Bauer EL 2wd
2000 Excursion limited 7.3 4x4 (old faithful killed by DUI driver)
IMO the cabs are not very comfortable in these old trucks. A rework can fix that. The rear suspension will take your fillings out with light load, so an air-ride conversion would be a good idea, especially if you want the 5th wheel to be in one piece at the end of a trip.
GVWR would have to be discussed with the state dmv. AFAIK you can't just say it's lower than the CDL limit. CDL is driven by the vehicle rating, not your "intended" use.
Thanks for the replies everyone. I have decided to pass on the truck. Between the amount of work to convert it to what I was looking for and the legalities of towing with it, it was enough to drive me crazy. Add the fact that while covering the 5th wheel two weeks ago, my fat fanny stepped on the right front corner of the roof and CRUNCH, was all I heard. I felt the area under my foot give way. This camper is an "07". I had to rebuild the rear wall because of a picture window opening that was too big for the window. The widow slipped down and allowed a 1/4" gap to open for the winter storage of "14"-"15". All of the snow and rain from the roof flowed into the wall causing a mess. This past season was great and all was well, till this new crunch happened. It took the wind out of my sails. I covered the trailer and will look at it in the spring. I will however dream about the possibilities that might have happened with the "58" F800. I love the front end with the three holes below the grill, quad headlights, hood scoop, and the Super Duty emblem. Best looking truck made!
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