I'm not aware of an adapter from 10 lug on 7.25" circle to 10 lug semi truck pattern.

I'm sure you could have custom wide wheels made with whatever pattern you want.



1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-