2. IN COMBINATION WITH A GRAIN CAR DUMPER, A GRAIN DEFLECTING STRUCTURE COMPRISING (A) A FIRST PAIR OF BEAM MEMBERS PIVOTALLY CONNECTED TO SAID DUMPER ON OPPOSITE SIDES THEREOF AND PROJECTING LATERALLY THEREFROM; (B) A SECOND PAIR OF BEAM MEMBERS PIVOTALLY CONNECTED TO SAID DUMPER ON OPPOSITE SIDES THEREOF AND SPACED UPWARDLY FROM SAID FIRST PAIR; (C) A VERTICAL POST CONNECTED AT ITS ENDS TO A FIRST AND SECOND BEAM MEMBER OF EACH PAIR THEREOF; (D) A BAFFLE MOUNTED ON EACH POST; (E), HYDRAULIC MEANS ON SAID DUMPER OPERATIVELY CONNECTED TO SAID FIRST PAIR OF BEAM MEMBERS ADAPTED, WHEN ACTUATED, TO SWING SAID BEAM MEMBERS SEQUENTIALLY ON THEIR PIVOTAL CONNECTIONS SO AS TO LATERALLY INSERT SAID BAFFLES INTO THE DOORS OF A CAR HELD ON SAID DUMPER AND ALONG THE FLOOR OF SAID CAR IN ARCUATE PATHS WHEREBY SAID BAFFLES FORM A PLOW IN SAID CAR; AND (F) MEANS ASSOCIATED WITH SAID SECOND PAIR OF BEAM MEMBERS FOR RAISING OR LOWERING SAID BAFFLES ON THE POSTS.