WG050 WORX 8-in-1 Aerocart Wheelbarrow Garden Yard Cart + FREE Water Hauler May lift up to 300 pounds of weight in dolly mode. Up to 80 pounds of material may be stacked on the AeroCart in extended dolly mode. Can lift a potted plant, large rock and many other items up to 80 pounds in weight, when using the extension arm and proper strap. Bag holder can support a bag weighing as much as 40 pounds. Cylinder holder can support weights up to 80 pounds