F600 Split Rim Problem Solved
I did a lot of reading on this forum and others, as well as a lot of google searching and emailing sellers of wheels for measurements. This has been a year and a half process off and on for me. Lots of people have asked the question "How do I replace my two piece rims?" Most of the time, the answer is something along the lines of "There was another factory option of different style rims and you might get lucky to find some but no one knows where to get them so good luck." Or "An aftermarket company made some that would fit but they haven't made any in years and no one has any, but you might get lucky to find some but no one knows where to get them so good luck." Or sometimes "So-and-so company will make you custom $$$$$ rims for your $800 dollar truck." Or my personal favorite "Why in the _____ are you wanting to drive a 64 F600 on the road for anyway!?"
I couldn't accept any of these answers, and about a month ago I stumbled upon a cheap and 100 percent bolt on solution for all of us with the split rim problem. It seams that even after Ford stopped using the 6 on 8.75 bolt pattern, the military used them on equipment with Rockwell style axles for years. They did not use split rim, but rather the much better lock ring style rim. They we also stud piloted using a ball seat style lug nut as apposed to the F600 hub piloted rims. It also appears that the military is phasing out this style of wheel and rim and replacing them. You can find them all over ebay. I measured a set and found they would bolt on my truck perfectly. I also researched lug nuts and found a set that I was confident would convert my truck from hub pilot to stud pilot without converting wheel studs. I took a gamble and ordered 6 military rims with mounted tires that were guaranteed to be 90% tread or higher, for $85 a piece from an ebay seller who had hundreds, if not thousands, of them.
https://www.ebay.com/itm/173046524154?ul_noapp=true
I also ordered these lug nuts for the front
https://www.ryderfleetproducts.com/e...t-p-439-e5652r
And these for the rear
Inner https://www.ryderfleetproducts.com/e...t-p-439-e7897r
Outer https://www.ryderfleetproducts.com/e...r-p-439-e5977r
I have mounted all 6 on my truck and they fit perfect. The lug nuts for the front are made with an enlargement before the threads that will slide over the unthreaded portion of the front wheel studs.
I spent $600 plus shipping to do this conversion to my truck.



Hopefully for all of the other people with this same problem, this will be of some help.
There was a thread on these recently and I will try to search it out tomorrow.
All three are listed here as all three were 2 1/2 ton rated, although if you compare the CCKW to the M35 you will be wondering who did the rating!
https://en.wikipedia.org/wiki/2%C2%BD-ton_6x6_truck
https://www.ford-trucks.com/forums/1...s-on-f600.html
Got my wheels and tires from Jim Henry in Albemarle NC. Great fella, willing to deal, lots of milsurp equipment.
https://www.ford-trucks.com/forums/1...s-on-f600.html
Also discussed here often has been the unique hub piloted aspect of 1963/1964 F-600s. Hub piloted 6 x 8.75” wheels are NLA, but the use of stud piloted locking side ring wheels with standard over the counter Budd hardware has been known to work. This is because, as the original poster says, there is an unthreaded section at the base of each nut that fits over the raised, unthreaded, section of a hub piloted stud.
What is new information, if the original poster was able to just bolt the wheels on, is their clearance of the truck’s rear hubs without modifications. Most hub piloted wheels having the 6 x 8.75” pattern had a 6.00” center bore. Stud piloted wheels generally have a 5.875” center bore. I’ve told guys who want to make this swap that they probably have to grind a 1/16th of an inch off the center bores of the replacement wheels to clear rear hubs. If this wasn’t required of the original poster that is new, and good news. Stu
Edit: going back through the linked old thread I don’t think I said strong enough in it that civilian wheel references don’t always list military spec wheels. I’ve seen multiple examples of this since WWII. So it’s very possible that some military surplus wheels will be found that don’t fit the customary patterns that apply to conventional civilian wheels. Stu
https://www.ford-trucks.com/forums/1...s-on-f600.html
Also discussed here often has been the unique hub piloted aspect of 1963/1964 F-600s. Hub piloted 6 x 8.75” wheels are NLA, but the use of stud piloted locking side ring wheels with standard over the counter Budd hardware has been known to work. This is because, as the original poster says, there is an unthreaded section at the base of each nut that fits over the raised, unthreaded, section of a hub piloted stud.
What is new information, if the original poster was able to just bolt the wheels on, is their clearance of the truck’s rear hubs without modifications. Most hub piloted wheels having the 6 x 8.75” pattern had a 6.00” center bore. Stud piloted wheels generally have a 5.875” center bore. I’ve told guys who want to make this swap that they probably have to grind a 1/16th of an inch off the center bores of the replacement wheels to clear rear hubs. If this wasn’t required of the original poster that is new, and good news. Stu
Edit: going back through the linked old thread I don’t think I said strong enough in it that civilian wheel references don’t always list military spec wheels. I’ve seen multiple examples of this since WWII. So it’s very possible that some military surplus wheels will be found that don’t fit the customary patterns that apply to conventional civilian wheels. Stu
My military rims had a center hole of 6 1/2 inches. Plenty of clearance all the way around. Also, they are all chamfered for ball seat mounting on both sides of each lug hole. So they can be mounted single or double.
I am not saying to blindly order a set of wheels on the assumption they will fit. Of course anyone doing this sort of thing should take the 30 minutes necessary to do a little research, but the point of posting this was to provide people with a strong lead, that in most cases, (I believe anyway) will be a no modification necessary, bolt on fit. Just make sure you order rims/wheel combos that are 9.00x20.
Your mileage may vary, but to everyone reading this (and to no one in particular) please don't fill this thread with a lot of naysayers pretending to be engineers giving irrational reasons why this won't or shouldn't work. I have seen that too much regarding this same wheel fitment question on other forums and threads. It does work, I personally did it, I documented that I did it, I showed you my sources, and I hope that it helps anyone else that was in my situation. Thanks
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I did a lot of reading on this forum and others, as well as a lot of google searching and emailing sellers of wheels for measurements. This has been a year and a half process off and on for me. Lots of people have asked the question "How do I replace my two piece rims?" Most of the time, the answer is something along the lines of "There was another factory option of different style rims and you might get lucky to find some but no one knows where to get them so good luck." Or "An aftermarket company made some that would fit but they haven't made any in years and no one has any, but you might get lucky to find some but no one knows where to get them so good luck." Or sometimes "So-and-so company will make you custom $$$$$ rims for your $800 dollar truck." Or my personal favorite "Why in the _____ are you wanting to drive a 64 F600 on the road for anyway!?"
I couldn't accept any of these answers, and about a month ago I stumbled upon a cheap and 100 percent bolt on solution for all of us with the split rim problem. It seams that even after Ford stopped using the 6 on 8.75 bolt pattern, the military used them on equipment with Rockwell style axles for years. They did not use split rim, but rather the much better lock ring style rim. They we also stud piloted using a ball seat style lug nut as apposed to the F600 hub piloted rims. It also appears that the military is phasing out this style of wheel and rim and replacing them. You can find them all over ebay. I measured a set and found they would bolt on my truck perfectly. I also researched lug nuts and found a set that I was confident would convert my truck from hub pilot to stud pilot without converting wheel studs. I took a gamble and ordered 6 military rims with mounted tires that were guaranteed to be 90% tread or higher, for $85 a piece from an ebay seller who had hundreds, if not thousands, of them.
https://www.ebay.com/itm/173046524154?ul_noapp=true
I also ordered these lug nuts for the front
https://www.ryderfleetproducts.com/e...t-p-439-e5652r
And these for the rear
Inner https://www.ryderfleetproducts.com/e...t-p-439-e7897r
Outer https://www.ryderfleetproducts.com/e...r-p-439-e5977r
I have mounted all 6 on my truck and they fit perfect. The lug nuts for the front are made with an enlargement before the threads that will slide over the unthreaded portion of the front wheel studs.
I spent $600 plus shipping to do this conversion to my truck.



Hopefully for all of the other people with this same problem, this will be of some help.
Ford Trucks for Ford Truck Enthusiasts
There are some rims that look similar but the offset is slightly different and must be used as singles. These were used mostly on Canadian military trucks as they ran the rear axles singled out, and not duelled like the US trucks.
I can get pictures of both types, if anyone wants, as I have many out by the barn


I did a lot of reading on this forum and others, as well as a lot of google searching and emailing sellers of wheels for measurements. This has been a year and a half process off and on for me. Lots of people have asked the question "How do I replace my two piece rims?" Most of the time, the answer is something along the lines of "There was another factory option of different style rims and you might get lucky to find some but no one knows where to get them so good luck." Or "An aftermarket company made some that would fit but they haven't made any in years and no one has any, but you might get lucky to find some but no one knows where to get them so good luck." Or sometimes "So-and-so company will make you custom $$$$$ rims for your $800 dollar truck." Or my personal favorite "Why in the _____ are you wanting to drive a 64 F600 on the road for anyway!?"
I couldn't accept any of these answers, and about a month ago I stumbled upon a cheap and 100 percent bolt on solution for all of us with the split rim problem. It seams that even after Ford stopped using the 6 on 8.75 bolt pattern, the military used them on equipment with Rockwell style axles for years. They did not use split rim, but rather the much better lock ring style rim. They we also stud piloted using a ball seat style lug nut as apposed to the F600 hub piloted rims. It also appears that the military is phasing out this style of wheel and rim and replacing them. You can find them all over ebay. I measured a set and found they would bolt on my truck perfectly. I also researched lug nuts and found a set that I was confident would convert my truck from hub pilot to stud pilot without converting wheel studs. I took a gamble and ordered 6 military rims with mounted tires that were guaranteed to be 90% tread or higher, for $85 a piece from an ebay seller who had hundreds, if not thousands, of them.
https://www.ebay.com/itm/173046524154?ul_noapp=true
I also ordered these lug nuts for the front
https://www.ryderfleetproducts.com/e...t-p-439-e5652r
And these for the rear
Inner https://www.ryderfleetproducts.com/e...t-p-439-e7897r
Outer https://www.ryderfleetproducts.com/e...r-p-439-e5977r
I have mounted all 6 on my truck and they fit perfect. The lug nuts for the front are made with an enlargement before the threads that will slide over the unthreaded portion of the front wheel studs.
I spent $600 plus shipping to do this conversion to my truck.



Hopefully for all of the other people with this same problem, this will be of some help.
I completly disagree... the two versions of the 6-bolt military wheels are easily distinguishable just by looking at them.
The dual version (from the U.S. M35a2 series trucks) the wheel center is attached right up to the outer edge of the wheel rim, and the hub-mounting face is offset about 2 1/4" from the outer rim edge.
The singled out version wheel (Canadian M35 series military trucks, and old U.S. '50-55 M135 series military trucks) the wheel center is mounted inboard from the edge, and the hub-mounting face is flush with the outer edge of the rim.
If anyone is interested, I have a nice set of six, matching 11.00x20 GOODYEAR RADIAL, tires mounted on (M35a2) wheels, that I could sell. They have great tread (95%) like new. These can be run single on the front, and dually on the rear axle.












