A harvester (10) having a cutting assembly (30) is described that comprises two oppositely facing sidewalls (232a, 232b) and two loading systems, each loading system comprising a transverse member that extends between and through the sidewalls (232a, 232b), and two trays of knives (240a, 240b). Rotation of a transverse member (252, 262) causes the associated tray of knives to move between a loaded and an unloaded position wherein in the loaded position the knives (234) protrude into a crop collection channel of a harvester for the cutting of crop material.
