Kubota B3200/L2501/SVL65-2/U35-4, IH 454/656, Ford NAA, Case 1845C/480E/450C LGP
You can put 25x8.50-14's on the front only if you also change the rear over to 15-19.5's. Thats the size the B3300 runs, same drivetrain as your tractor. Otherwise you have to stick to the factory sizes.