Far as I know all tubeless 22.5 s have the same rolling diameter......but if its used in dry beachsand,it gets an incredible grip on the tyres,and really loads up the drivetrain....so when you let the pressure down to 12 or 15psi,thats the rolling radius thats important......its quite easy to break axles or transfer cases if things are matched.,and that includes load........actually load dictates pressure ,you can run on sand with 8 ton load and 60 psi,unload ,and the wheels just chatter,you have to reduce the pressure.........wetsand in the tide zone is just like concrete,until you hit a patch of quicksand,and your truck becomes just another set of bones half buried in the beach.