A bulk bag filling system includes a frame having a base, a fill carriage coupled to the frame and a rotary carriage. The fill carriage is alignable with a fill port for receiving a bulk material. The rotary carriage includes a plurality of bag loop hangers for receiving bag loops of a bag to be filled. The rotary carriage is movably coupled to the fill carriage and a spout, for receiving a neck of the bag to be filled, extends through the rotary carriage. The spout is alignable with the fill port.