I have searched throughout the internet and big bolt threads for the past few days and it seems the more information I gather, the more I grow confused.

I am an college student and I have recently acquired and strong interest in making my 56 4400 my daily driver/ tree trimming rig.

I understand the 56-59 22.5 wheels for the 1.5 ton trucks are sought after, but I don’t exactly understand why. I believe it’s for the 22.5 size but aren’t they still rh5 wheels? And are the sought after wheels in question 10 lug? I have been trying to figure out the exact answer to that for I have a 56 1.5 ton but I have 6 lug rh5s.

I also am confused with the budd style stud guided vs hub piloted. I understand that the budd style wheels use the 1.5 in square stud. It also appears that the hub has a concentric extrusion that seems to pilot the wheel on as well. I just clarification on my configuration. My wheels have the square studs and are six lug. Which I believe to be the budd wheels.

On top of that I have not been exactly able to find the bolt pattern for my 56 4400. I am needing to know the bolt pattern and center hole size as I am about to start searching the big truck salvage yards for some good candidate wheels for slight modification. I would measure the bolt pattern but I am 3 hours away from home at school and am looking to take this on as a summer break project. (Yes I will be adding OD and fooling with brakes but I need to sort this out first thing before anything else)

I hate to post more big bolt wheel threads but I have not been able to pin point details for my exact configuration. I have attached a picture of my rear wheels. I appreciate any information I can get. This forum ROCKS!
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