FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * ORTHWEIN PETER BUSCH   2. Issuer Name and Ticker or Trading Symbol THOR INDUSTRIES INC [THO] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Chairman, Pres. and CEO (Last) (First) (Middle) 9 BENEDICT PLACE 3. Date of Earliest Transaction (Month/Day/Year) 12/10/2009 (Street) GREENWICH, CT 06830 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 12/10/2009   G(1) V 9,000 D $ 0 1,434,200 D   Common Stock 12/10/2009   G(1) V 900 A $ 0 62,250 I See Footnote (2) Common Stock 12/10/2009   G(1) V 1,800 A $ 0 106,500 I See Footnote (3) Common Stock               111,500 I See Footnote (4) Common Stock               299,700 I See Footnote (5) Common Stock               124,000 I See Footnote (6) Common Stock               30,000 I See Footnote (7) Common Stock               320,000 I See Footnote (8)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
ORTHWEIN PETER BUSCH 9 BENEDICT PLACE GREENWICH, CT 06830	X		Chairman, Pres. and CEO

Signatures

/s/ Peter Busch Orthwein		12/11/2009
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This transaction involved a gift of Shares by the Reporting Person. Included among the recipients of the Shares were the Reporting Person's wife, in her individual capacity and as custodian to the Reporting Person's two youngest children.
(2)	Theses Shares are held for the account of the Reporting Person's wife.
(3)	Theses Shares are held for the account of the Reporting Person's wife as custodian to the Reporting Person's two youngest children.
(4)	These Shares are held for the account of a charitable annuity trust (the "Charitable Trust") of which the Reporting Person and his wife are trustees and of which the Reporting Person's three youngest children are beneficiaries. The Reporting Person continues to report beneficial ownership of the Shares held for the account of the Charitable Trust but disclaims beneficial ownership except to the extent of the pecuniary interest of the Reporting Person, his wife and his three youngest children in the Charitable Trust.
(5)	These Shares are held for the account of the PBO-BMO Descendants Trust (the "PBO-BMO Trust") of which the Reporting Person is the sole trustee and of which the Reporting Person's three youngest children are beneficiaries. The Reporting Person continues to report beneficial ownership of the Shares held for the account of the PBO-BMO Trust but disclaims beneficial ownership except to the extent of the pecuniary interest of the Reporting Person, his wife and his three youngest children in the Trust.
(6)	These Shares are held for the account of Adolphus Busch Orthwein Trust (the "AB Trust") for the benefit of the Reporting Person's children. The Reporting Person is one of the trustees of the AB Trust.
(7)	These Shares are held for the account of a trust for the Reporting Person's half-brother. The Reporting Person is one of the three trustees of this trust.
(8)	These Shares are held for the account of the Orthwein Investment Group D, L.P. (the "Investment Group"). The Reporting Person has a 0.51% limited partnership interest in the Investment Group and a 51% general partnership interest in the Investment Group. The Reporting Person disclaims beneficial ownership of the Shares held for the account of the Investment Group except to the extent of his pecuniary interest in such Shares.

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