An arrangement comprising an attachment and a self-propelled harvester is disclosed, with the attachment configured to harvest a crop and having a middle region for removable connection to a feeder housing of the self-propelled harvester. The attachment also includes lateral regions positioned adjacent to the middle region, with each having a bottom surface extending in a horizontal direction and a rear wall extending in a vertical direction. Lighting devices are positioned on the attachment above the respective bottom surface and below the top edge of the rear wall with light cones directed in the driving direction to illuminate a region in front of the attachment beyond the front edge of the bottom surface.