This pallet flipper machine is functional to use. It can be used as pallet changer which rotates 180 degree to exchange the wooden pallets to plastic pallets or can be used to replace the damaged products and package at the bottom without unstacking the whole loads. It’s also can be used as the pallet retriever, to rotate the whole loads 90 degree to conveniently remove the freezer spacer of the frozen food before shipping in cold chain industry.