Abstract: A transportable silo assembly is provided which includes a self-supporting structure with a platform with an opening in it, pillow blocks mounted on the platform, trunions journaled in the pillow blocks, a silo mounted on the trunions for pivotal movement between an erected position and a lowered transport position, a winch mounted on the structure, a cable so arranged as to move the silo between erected and transport position upon operation of the winch, and structures on the leading and trailing ends of the self-supporting structure by which wheels can be mounted and demounted, whereby the self-supporting structure can be transported.