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: April 17, 2006

                                EATON CORPORATION
             (Exact name of registrant as specified in its charter)

            Ohio                      1-1396                 34-0196300
      ----------------             ------------            ---------------
      (State or other              (Commission             (I.R.S. Employer
      jurisdiction of               File Number)          Identification No.)

                       Eaton Center
                      Cleveland, Ohio                           44114
          ----------------------------------------         ----------------
          (Address of principal executive offices)            (Zip Code)

                                 (216) 523-5000
              (Registrant's telephone number, including area code)

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

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

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

[ ] 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 240.13e-4(c))

Section 2 - Financial Information
Item 2.02  Results of Operations and Financial Condition

On April 17, 2006, Eaton Corporation issued a press release announcing financial
results for the quarter ended March 31, 2006. A copy of this press release is
attached hereto as Exhibit 99.

Section 9 - Financial Statements and Exhibits
Item 9.01  Financial Statements and Exhibits

(c) Exhibits:

99  Press release for quarter ended March 31, 2006, filed herewith.


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.

                                          Eaton Corporation

                                          /s/ R.H. Fearon
Date: April 17, 2006                      ------------------------------------
                                          R.H. Fearon
                                          Executive Vice President -
                                          Chief Financial and Planning Officer