CERTIFICATION PURSUANT TO RULE 30A-2(B) UNDER THE 1940 ACT AND
                      SECTION 906 OF THE SARBANES-OXLEY ACT

I,  James A.  Bowen,  Chairman  of  the  Board,  President  and Chief  Executive
Officer  of First  Defined Portfolio Fund, LLC (the "Registrant"), certify that:

         1.     The Form N-CSR of the Registrant (the "Report")  fully  complies
                with  the  requirements  of  Section  13(a)  or  15(d)  of   the
                Securities Exchange Act of 1934, as amended; and

         2.     The information  contained in the Report fairly presents, in all
                material  respects,  the  financial  condition  and  results  of
                operations of the Registrant.


Date:    FEBRUARY 22, 2007                    /S/ JAMES A. BOWEN
     ----------------------     ------------------------------------------------
                                James A. Bowen, Chairman of the Board, President
                                and Chief Executive Officer
                                (principal executive officer)


I, Mark R. Bradley,  Treasurer,  Controller,  Chief  Financial Officer and Chief
Accounting  Officer  of  First  Defined  Portfolio Fund, LLC (the "Registrant"),
certify that:

         1.     The Form N-CSR of the Registrant (the "Report")  fully  complies
                with  the  requirements  of  Section  13(a)  or  15(d)  of   the
                Securities Exchange Act of 1934, as amended; and

         2.     The information  contained in the Report fairly presents, in all
                material  respects,  the  financial  condition  and  results  of
                operations of the Registrant.


Date:    FEBRUARY 22, 2007                   /S/ MARK R. BRADLEY
     ----------------------       ----------------------------------------------
                                  Mark R. Bradley, Treasurer, Controller, Chief
                                  Financial Officer and Chief Accounting Officer
                                  (principal financial officer)