EXHIBIT 16.3
                              FEDERATED MDT SERIES
                         UNANIMOUS CONSENT OF TRUSTEES

       The undersigned, being all of the Trustees of Federated MDT Series (the
"Trust"), hereby consent, in accordance with the laws of the Commonwealth of
Massachusetts and Article V of the Declaration of Trust, and Article V, Section
7 of the Bylaws of the Trust, to the adoption of the following resolution with
the same effect as though it had been adopted at the meeting of the Trustees:


       RESOLVED, that the Board hereby authorizes the Secretary and
                    Assistant Secretaries of the Trust named below to
                    sign on behalf of the Trust the Registration
                    Statement on Form N-14 relating to the proposed
                    reorganization of Federated Large Cap Growth Fund, a
                    portfolio of Federated Equity Funds, into Federated
                    MDT Large Cap Growth Fund, a portfolio of the Trust.

                    John W. McGonigle, Secretary
                    G. Andrew Bonnewell, Assistant Secretary
                    Andrew P. Cross, Assistant Secretary
                    Leslie K. Ross, Assistant Secretary
                    Todd P. Zerega, Assistant Secretary


       WITNESS the due execution hereof this 26th day of March, 2007.

    -------------------------------------------------------------
           John F. Donahue                Peter E. Madden
         /S/ John F. Donahue            /S/ Peter E. Madden
-----------------------------------------------------------------
           Thomas G. Bigley          Charles F. Mansfield, Jr.
         /S/ Thomas G. Bigley      /S/ Charles F. Mansfield, Jr.
-----------------------------------------------------------------
         John T. Conroy, Jr.            John E. Murray, Jr.
       /S/ John T. Conroy, Jr.        /S/ John E. Murray, Jr.
-----------------------------------------------------------------
       Nicholas P. Constantakis          Thomas M. O'Neill
     /S/ Nicholas P. Constantakis      /S/ Thomas M. O'Neill
-----------------------------------------------------------------
        John F. Cunningham               Marjorie P. Smuts
      /S/ John F. Cunningham           /S/ Marjorie P. Smuts
-----------------------------------------------------------------
      J. Christopher Donahue               John S. Walsh
    /S/ J. Christopher Donahue           /S/ John S. Walsh
-----------------------------------------------------------------
     Lawrence D. Ellis, M.D.               James F. Will
   /S/ Lawrence D. Ellis, M.D.           /S/ James F. Will