SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                 --------------

                                    FORM 8-K

                                 CURRENT REPORT
                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

Date of report:                                                August 10, 2004
Date of earliest event reported:                                August 9, 2004


                         CORE MOLDING TECHNOLOGIES, INC.
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               (Exact Name of Registrant as Specified in Charter)


Delaware                             001-12505                 31-1481870
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(State of Other Jurisdiction       (Commission              (IRS Employer
    of  Incorporation)              File Number)         Identification No.)


800 Manor Park Drive, P.O. Box 28183
Columbus, Ohio                                                43228-0183
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(Address of Principle Executive Offices)                      (Zip Code)


Registrant's telephone number, including area code        (614) 870-5000
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          (Former Name of Former Address, if Changed Since Last Report)





         The information in this Current Report on Form 8-K, including the
exhibits, is furnished pursuant to Item 9 and shall not be deemed "filed" for
the purposes of Section 18 of the Securities Exchange Act of 1934 or otherwise
subject to the liabilities under that Section. Furthermore, the information in
this Current Report on Form 8-K, including the exhibits, shall not be deemed to
be incorporated by reference into the filings of Core Molding Technologies, Inc.
under the Securities Act of 1933.

ITEM 5.  OTHER EVENTS AND REQUIRED FD DISCLOSURES

         On August 9, 2004, Core Molding Technologies, Inc. announced that a
strike has been called by Scioto Lodge No. 1471 of the International Association
of Machinists and Aerospace Workers (IAM) at its Columbus, Ohio manufacturing
facility. A copy of the press release announcing this event is included in this
Form 8-K as exhibit 99(a).

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS

         All exhibits are furnished pursuant to Item 9.

         Exhibit
         Number     Exhibit
         ------     -------

         99(a)      Press release announcing that a strike has been called by
                    Scioto Lodge No. 1471 of the International Association of
                    Machinists and Aerospace Workers (IAM) at its Columbus, Ohio
                    manufacturing facility.



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                                   SIGNATURES

         Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                              Core Molding Technologies, Inc.
                                           -------------------------------------
                                                       (Registrant)





Date         August 10, 2004             By       /s/ Herman F. Dick, Jr.
     --------------------------------        ----------------------------------
                                                      (Signature)

                                                  Herman F. Dick, Jr.
                                          Treasurer and Chief Financial Officer


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Index of Exhibits:

         Exhibit
         Number     Exhibit
         ------     -------

         99(a)      Press release announcing that a strike has been called by
                    Scioto Lodge No. 1471 of the International Association of
                    Machinists and Aerospace Workers (IAM) at its Columbus, Ohio
                    manufacturing facility.


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