UNITED STATES

                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

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

                                    FORM 8-K

                                 CURRENT REPORT

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


       Date of Report (Date of earliest event reported): October 21, 2008


                             ESCO TECHNOLOGIES INC.
               (Exact Name of Registrant as Specified in Charter)


          Missouri                     1-10596                     43-1554045
      (State or Other               (Commission                (I.R.S. Employer
Jurisdiction of Incorporation)      File Number)             Identification No.)


9900A Clayton Road, St. Louis, Missouri                              63124-1186
(Address of Principal Executive Offices)                            (Zip Code)


        Registrant's telephone number, including area code: 314-213-7200


Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions:

[ ]  Written communications  pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

[ ]  Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17
     CFR 240.14a-12)

[ ]  Pre-commencement  communications  pursuant  to Rule  14d-2 (b) under the
     Exchange Act (17 CFR 240.14d-2 (b))

[ ]  Pre-commencement  communications  pursuant  to Rule  13e-4 (c) under the
     Exchange Act (17 CFR 240.113d-4 (c))

ITEM 2.02         RESULTS OF OPERATIONS AND FINANCIAL CONDITION

On October 21, 2008, the Registrant issued a press release  (furnished  herewith
as Exhibit 99.1 to this report)  pre-announcing  its expected partial  financial
results for the fourth quarter and fiscal year ended September 30, 2008.






ITEM 9.01.       FINANCIAL STATEMENTS AND EXHIBITS

(d)  Exhibits

Exhibit No.                Description of Exhibit

     99.1                  Press Release dated October 21, 2008


OTHER MATTERS

The  information  in this  report  furnished  pursuant  to Item 2.02,  including
Exhibit  99.1,  shall not be deemed to be "filed" for  purposes of Section 18 of
the  Securities  Exchange Act of 1934 as amended  ("Exchange  Act") or otherwise
subject to the liabilities of that section,  unless the Registrant  incorporates
it by reference into a filing under the Securities Act of 1933 as amended or the
Exchange Act.


                                    SIGNATURE

     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.


                                                      ESCO TECHNOLOGIES INC.




Dated:     October 22, 2008                        By:    /s/ G.E. Muenster
                                                   G.E. Muenster
                                                   Executive Vice President and
                                                   Chief Financial Officer





                                  EXHIBIT INDEX


Exhibit No.                Description of Exhibit

    99.1                   Press Release dated October 21, 2008