I have a 4wd L4850 Kubota. Present tires are 14.9 R28 rears and 9.5 R20 fronts. They appear to be factory original, but I don't know for sure. I want to go to turf tires, but those are only available in the 13.6 R28's. Major problems, right?
It gets worse. The service manual says 13.6 R28...