I have had the BFG mud terrains and all terrains in 33's for a 4x4 ranger. The all terrains work great for sand. As for in the mud, they cake up easy and you need to spin them plenty to keep them clean to dig. The mud terrains work great in the mud but will bury you in the sand as they will dig out from beneath you. If you are mostly going to the beach get the all terrains especially with such a heavy truck.
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