A harvesting machine includes a harvesting header (40) with a header frame (42), a cutterbar assembly (48) attached to the header frame along the length thereof and configured to cut a crop, and a draper assembly (50) positioned behind the cutterbar assembly and operable to receive severed crop material from the cutterbar assembly. The draper assembly includes a center fore-and-aft draper (54) that delivers crop material rearwardly to a feeder house of the harvesting machine and oppositely spaced side drapers (52) that deliver crop material laterally to the center draper. The cutterbar assembly (48) is supported from the frame (42) by a plurality of laterally spaced support arms (44,46) which are each pivoted on the frame for swinging movement about a laterally extending axis and the draper assembly (50) is supported on the header frame (42) behind the cutterbar assembly to flex therewith and thereby follow uneven terrain. The side drapers (52) present opposite laterally outermost margins of the draper assembly, with an outermost one of the support arms (46) being located adjacent each of the end margins. A pair of end crop dividers (146) are each mounted on a respective one of the outermost support arms (46) so that the divider swings with the respective outermost support arm as the flexible cutterbar assembly (48) flexes.Une machine de récolte comprend une tête de récolte (40) dotée dune structure de tête (42), un ensemble barre de coupe (48) fixé sur la structure de tête sur la longueur de celle-ci et conçu pour couper une récolte, et un ensemble tablier (50) positionné derrière lensemble barre de coupe et pouvant être actionné pour recevoir un matériau de récolte coupé en provenance de lensemble barre de coupe. Lensemble tablier comprend un tablier longitudinal central (54) qui distribue un matériau de récolte vers larrière à un logement d’alimentation de la machine de récolte, et des tabliers latéraux espacés de manière opposée (52) qui distribuent le matériau
