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                                                                    Exhibit 4.2

                         [FORM OF FACE OF CERTIFICATE]



              Organized Under the Laws of the State of South Dakota


                                                         CLASS B CAPITAL UNITS
B-

                            GREAT PLAINS ETHANOL, LLC

 THIS CERTIFIES THAT__________________________________________ IS THE OWNER AND
 REGISTERED HOLDER OF_____________________________________________ CLASS B
 CAPITAL UNITS

                          in Great Plains Ethanol, LLC

TRANSFERABLE ONLY ON THE BOOKS OF THE LIMITED LIABILITY COMPANY BY THE HOLDER
HEREOF IN PERSON OR BY DULY AUTHORIZED ATTORNEY UPON SURRENDER OF THIS
CERTIFICATE PROPERLY ENDORSED.

              IN WITNESS WHEREOF, THE SAID LIMITED LIABILITY COMPANY HAS CAUSED
              THIS CERTIFICATE TO BE SIGNED BY ITS DULY AUTHORIZED OFFICERS THIS
                    DAY OF           , 200__.


  _________________                                          _________________
      SECRETARY                                                  PRESIDENT


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                        [FORM OF REVERSE OF CERTIFICATE]

             The Capital Units represented by this Certificate have
           not been registered under the Securities Act of 1933, as
             amended (the "Act"), or applicable Blue Sky laws. The
          securities may not be sold, offered for sale or transferred
           in the absence of an effective registration under the Act
          and such applicable Blue Sky laws, or an opinion of counsel
              satisfactory to Great Plains Ethanol, LLC that such
                         registration is not required.

             The sale and transfer of the Capital Units represented
          by this Certificate are also restricted by, and subject to,
               the provisions of the Operating Agreement of Great
             Plains Ethanol, LLC. The Operating Agreement provides,
             among other things, that no sale, assignment, transfer,
              gift, exchange or other disposition of these Capital
              Units is valid except as specifically provided for in
                the Operating Agreement. Copies of the Operating
             Agreement and instructions for transfer, sale or other
              disposition of these Capital Units are available for
                  inspection at the Company's principal office.



FOR VALUE RECEIVED __________ HEREBY SELL, ASSIGN AND TRANSFER UNTO
___________________________________________________________________
____________________________________________________ CAPITAL UNITS REPRESENTED
BY THE WITHIN CERTIFICATE, AND DO HEREBY IRREVOCABLY CONSTITUTE AND APPOINT
____________________________________________________ ATTORNEY TO TRANSFER THE
SAID CAPITAL UNITS ON THE BOOKS OF THE WITHIN NAMED LIMITED LIABILITY COMPANY
WITH FULL POWER OF SUBSTITUTION IN THE PREMISES.
DATED         ____________________, 20_____ __________________

IN PRESENCE OF ___________________________________________________

NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS
WRITTEN UPON THE FACE OF THIS CERTIFICATE IN EVERY PARTICULAR, WITHOUT
ALTERATION OR ENLARGEMENT OR ANY CHANGE WHATEVER.