An agricultural machine comprising: - a frame which is configured to be attached to a vehicle in order to move the agricultural machine in a normal direction of travel, - a bearing arm construction (6, 7, 8) having at least one bearing arm, which bearing arm construction is pivotably connected to the frame so as to be pivotable about one or more pivot axes, and - a plurality of processing members with processing elements for working the land or processing a crop, wherein the processing members are at least displaceable between an operating position and a transport position by pivoting of the least one bearing arm construction about the one or more pivot axes, wherein the agricultural machine comprises a movable shielding construction to at least partially shield the processing members in the transport position, wherein the movable shielding construction comprises two shielding beams located at opposite sides of the agricultural machine, wherein the shielding beams are movable between a shielding position for shielding at least partially the processing members, and a lower position in which movement of the processing members between the operating position and the transport position is possible, wherein the movable shielding construction is configured to move the shielding beams upwards and backwards with respect to the normal direction of travel when the shielding beams are moved from the lower position to the shielding position, characterized in that the movable shielding construction comprises at each side two pivotable link arms (17, 18) connecting the respective shielding beam to the frame, wherein the frame, link arms and shielding beam, at each side of the agricultural machine, form a planar four-bar linkage. - a frame which is configured to be attached to a vehicle in order to move the agricultural machine in a normal direction of travel, - a bearing arm construction (6, 7, 8) having at least one bearing arm, which bearing arm construction is pivotably connected to the frame so as to be pivotable about one or more pivot axes, and - a plurality of processing members with processing elements for working the land or processing a crop, wherein the processing members are at least displaceable between an operating position and a transport position by pivoting of the least one bearing arm construction about the one or more pivot axes, wherein the agricultural machine comprises a movable shielding construction to at least partially shield the processing members in the transport position, wherein the movable shielding construction comprises two shielding beams located at opposite sides of the agricultural machine, wherein the shielding beams are movable between a shielding position for shielding at least partially the processing members, and a lower position in which movement of the processing members between the operating position and the transport position is possible, wherein the movable shielding construction is configured to move the shielding beams upwards and backwards with respect to the normal direction of travel when the shielding beams are moved from the lower position to the shielding position, characterized in that the movable shielding construction comprises at each side two pivotable link arms (17, 18) connecting the respective shielding beam to the frame, wherein the frame, link arms and shielding beam, at each side of the agricultural machine, form a planar four-bar linkage.