The invention relates to a harvester head used for processing trees and to a fastening of feed elements (4, 5) in the harvester head including a mechanism (1-3) moving the feed element (4, 5). According to the invention, the mechanism moving the feed element includes one or more operating levers (1), one or more hydraulic cylinders (2) and one or more supporting arms (3), and the operating levers (1) are pivotedly fastened to the feed element such that fastening joints (7) in the feed-element body (4) are located below the top side of the feed element.
