An agricultural vehicle , comprising: a chassis ; at least one power take off member; and a folding header operably coupled to the agricultural vehicle and supported by the chassis , said folding header including: a center section operably coupled to the chassis of the agricultural vehicle , said center section including: a pair of lateral ends ; a plurality of row units configured to harvest a crop material; and, at least one drive assembly for driving said plurality of row units , the at least one drive assembly being operably coupled to the at least one power take off member of the agricultural vehicle , wherein the folding header further includes at least one additional section pivotally coupled to one of said lateral ends of the center section and operably coupled to said at least one drive assembly , said at least one additional section selectively pivotable between an operational position in which said at least one additional section engages with said at least one drive assembly and a nonoperational position in which said at least one additional section disengages with said at least one drive assembly such that said center section is configured to harvest a crop material in both of said operational position and nonoperational position of said at least one additional section . a chassis ; at least one power take off member; and a folding header operably coupled to the agricultural vehicle and supported by the chassis , said folding header including: a center section operably coupled to the chassis of the agricultural vehicle , said center section including: a pair of lateral ends ; a plurality of row units configured to harvest a crop material; and, at least one drive assembly for driving said plurality of row units , the at least one drive assembly being operably coupled to the at least one power take off member of the agricultural vehicle , wherein the folding header further includes at least one additional section pivotally coupled to one of said lateral ends of the center section and operably coupled to said at least one drive assembly , said at least one additional section selectively pivotable between an operational position in which said at least one additional section engages with said at least one drive assembly and a nonoperational position in which said at least one additional section disengages with said at least one drive assembly such that said center section is configured to harvest a crop material in both of said operational position and nonoperational position of said at least one additional section . a center section operably coupled to the chassis of the agricultural vehicle , said center section including: a pair of lateral ends ; a plurality of row units configured to harvest a crop material; and, at least one drive assembly for driving said plurality of row units , the at least one drive assembly being operably coupled to the at least one power take off member of the agricultural vehicle , a pair of lateral ends ; a plurality of row units configured to harvest a crop material; and, at least one drive assembly for driving said plurality of row units , the at least one drive assembly being operably coupled to the at least one power take off member of the agricultural vehicle , wherein the folding header further includes at least one additional section pivotally coupled to one of said lateral ends of the center section and operably coupled to said at least one drive assembly , said at least one additional section selectively pivotable between an operational position in which said at least one additional section engages with said at least one drive assembly and a nonoperational position in which said at least one additional section disengages with said at least one drive assembly such that said center section is configured to harvest a crop material in both of said operational position and nonoperational position of said at least one additional section . <EOS>