While we can’t give a definitive number due to many varying factors that affect how much weight the cargo van floor can withstand, we can tell you that there are van fleets that currently use StabiliGrip which cart equipment on casters, and their specific equipment can weigh around 1 ton, others put a similar amount on pallets with success. The StabiliGrip floor is very heavy-duty, and known to be the strongest cargo van floor on the market.