An agricultural harvester (10) includes a frame (12)； a threshing and separating system (24) carried by the frame (12)； a cleaning system (26) carried by the frame (12)； a mounting surface (78) carried by the frame (12)； and a residue system (70) including a chopper (72) carried by the frame (12) and supplied with crop material from the threshing and separating system (24) and/or the cleaning system (26). The chopper (72) includes a chopper frame (74) mounted to the mounting surface (78) and having at least one shaft opening (76) formed through； a chopper shaft (80) held in the at least one shaft opening (76) that is configured to rotate； at least one rotating knife (82) carried by the chopper shaft (80)； and at least one stationary knife (84) held in the chopper frame (74). The agricultural harvester (10) is characterized in that the chopper shaft (80) is carried by the frame (12) independently of the chopper frame (74).
