You should get the mechanical ratio between the front and rear axles. Then even though the tire number sizes may be the same. The rolling circumference of tires varies with number of lugs and number of plies and manufacture of the tire at the factory rated pressure. You would probably want about...
I have a Kubota bx2200 and abx220 these are though to keep cool I have tried many things best change to date is installing a five blade fan from a bx2680 (needed to be cut down about .50")
I have a Bx2200 and a Bx22 they both tend to run hot and are very sensitive to air flow through the radiator. I have tried many things to improve cooling. The attempts have included new drive belts for fan, new thermostat, clean out grass and leaves this is a must and frequently, antifreeze to...