A system includes a hanger assembly configured to couple to a drum that includes a first vertical arm bracket and a second vertical arm bracket configured to couple to the drum. The first vertical arm bracket includes a first end and a second end opposite the first end, wherein the first end is configured to couple to the housing and the second end is coupled to a first hub coupled to a first roller. The hanger assembly is configured to hang on a toolbar of a header of the agricultural harvester via the first roller and a second roller. The first roller is coupled to a cam system configured to adjust a position of the first roller relative to the toolbar to adjust a levelness of the drum relative to an adjacent drum hanging on the toolbar.

An accumulator includes an enclosure, an inlet, an outlet, at least one roller, and a cotton compress assembly. The cotton compress assembly includes a first auger coupled to the enclosure. The first auger has a first shaft and a flighting attached to the first shaft. The flighting is positioned within the enclosure. The first auger compresses the cotton when the first auger rotates around a first axis.