37X12.50R18LT Bfgoodrich Mud-Terrain T/A Km3 128QConfidence on every journey starts with the 37X12. 50R18LT Bfgoodrich Mud Terrain T A Km3 128Q. Built by BFGoodrich, the MUD TERRAIN T A KM3 emphasizes balance: grip when you need it and comfort when you want it. A durable Blackwall sidewall contributes to visual appeal and added resilience for urban and highway driving. An adaptive tread geometry helps evacuate water, stabilize cornering forces, and support braking when conditions shift. Ideal for