Can I run Carlisle true power 31x15.5-15's with 13 " wide rims on my machine this is for a grass cutter,the parts manual shows 31x13.5-15 were available. Turfs would be prefered but there is a deal on this size. Also what should I put on the fronts. There are 16" ag tires and wheels on it now and I would like to cut grass next summer. Thanks,...Gary