As filed with the Securities and Exchange Commission on July 25, 2003
                                                      Registration No. 333-73364
================================================================================
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

            --------------------------------------------------------
                         POST-EFFECTIVE AMENDMENT NO. 1
                                       TO
                                    FORM S-3
                             REGISTRATION STATEMENT
                                      UNDER
                           THE SECURITIES ACT OF 1933

                  ---------------------------------------------
                              Thor Industries, Inc.
             (Exact Name of Registrant as Specified in Its Charter)

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

              Delaware                                   93-0768752
   (State or Other Jurisdiction of                    (I.R.S. Employer
   Incorporation or Organization)                    Identification No.)

                              419 West Pike Street
                           Jackson Center, Ohio 45334
                                 (937) 596-6849
          (Address, including zip code, and telephone number, including
             area code, of Registrant's principal executive office)
                  ---------------------------------------------
                               Wade F.B. Thompson
                        President, Chairman of the Board
                           and Chief Executive Officer
                              Thor Industries, Inc.
                              419 West Pike Street
                           Jackson Center, Ohio 45334
                                 (937) 596-6849
                      (Name, Address and Telephone Number,
                   including Area Code, of Agent For Service)

                                   Copies to:

                                Alan Siegel, Esq.
                       Akin Gump Strauss Hauer & Feld LLP
                               590 Madison Avenue
                            New York, New York 10022
                                 (212) 872-1000

     Approximate date of commencement of proposed sale to the public:  From time
to time as determined by the selling stockholders.

     If the only  securities  being  registered  on this Form are being  offered
pursuant to dividend or interest  reinvestment plans, please check the following
box. [__]

     If any of the securities being registered on this Form are to be offered on
a delayed or continuous  basis  pursuant to Rule 415 under the Securities Act of
1933, as amended, other than securities offered only in connection with dividend
or interest reinvestment plans, check the following box. [X]

     If this Form is filed to  register  additional  securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration  statement  number  of the  earlier
effective registration statement for the same offering. [__]

     If this Form is a  post-effective  amendment  filed pursuant to Rule 462(c)
under the  Securities  Act,  check the following box and list the Securities Act
registration  statement number of the earlier effective  registration  statement
for the same offering. [__]

     If delivery of the  prospectus is expected to be made pursuant to Rule 434,
please check the following box. [__]


     The Registrant  hereby amends this  registration  statement on such date or
dates as may be necessary to delay its effective date until the Registrant shall
file a further  amendment  which  specifically  states  that  this  registration
statement shall  thereafter  become effective in accordance with Section 8(a) of
the Securities  Act of 1933, as amended,  or until this  registration  statement
shall  become  effective  on such date as the  Commission,  acting  pursuant  to
Section 8(a), may determine.

================================================================================





                              THOR INDUSTRIES, INC.

                                 DE-REGISTRATION


This Registration Statement,  effective December 5, 2001, registered such number
of securities  described in  Registration  Statement No.  333-73364 in offerings
made from time to time by the selling  stockholders,  up to a total of 1,905,568
shares of common stock, par value $0.10 per share, of Thor  Industries,  Inc. Of
the 1,905,568 shares originally  registered,  1,894,316 shares have been sold by
the selling  stockholders.  Pursuant to this  Post-Effective  Amendment No. 1 to
Form S-3 Registration  Statement No. 333-73364,  we are now  de-registering  the
remaining  11,252  shares,  which have either been sold or are eligible for sale
pursuant to an exemption from the  registration  requirements  of the Securities
Act of 1933, as amended.





                                   SIGNATURES

     Pursuant to the  requirements  of the  Securities  Act of 1933, as amended,
Thor Industries,  Inc.  certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form S-3 and has duly caused this
Post-Effective  Amendment No. 1 to Form S-3 Registration Statement No. 333-73364
to be signed on its behalf by the undersigned, thereunto duly authorized, in the
City of New York, New York on July 25, 2003.

                                  THOR INDUSTRIES, INC.

                                  By:      /s/ Wade F.B. Thompson
                                      ------------------------------------
                                      Name:     Wade F.B. Thompson
                                      Title:    President, Chairman of the Board
                                                and Chief Executive Officer