#$%^&*AU2017265029A120180712.pdf#####Abstract of the Disclosure A sugarcane harvester comprises a frame, a basecutter coupled to the frame for translation relative to the frame, a knockdown roller mounted for translation relative to the frame, and a synchronizer configured to translate the knockdown roller in unison with the basecutter so as to maintain a position of the knockdown roller relative to the basecutter upon translation of the basecutter relative to the frame.6/7 o oo OGm @ 0