SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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SCHEDULE 13G
(RULE 13d-102)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULES 13d-1(b) (c) AND (d) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(b)
(AMENDMENT NO. 1)*
Gencor Industries, Inc.
(Name of Issuer)
Common Stock
(Title of Class of Securities)
368678108
(CUSIP Number)
December 31, 2006
(Date of Event which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:
[ ] Rule 13d-1(b)
[X] Rule 13d-1(c)
[ ] Rule 13d-1(d)
Page 1 of 5
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* The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of
securities, and for any subsequent amendment containing information which
would alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).
SCHEDULE 13G
CUSIP NO. 368678108 PAGE 2 OF 5 PAGES
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1 NAME OF REPORTING PERSON
S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
Lloyd I. Miller, III 279-42-7925
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2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
(A) [ ]
(B) [ ]
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3 SEC USE ONLY
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4 CITIZENSHIP OR PLACE OF ORGANIZATION
United States
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5 SOLE VOTING POWER
9,000
NUMBER OF -----------------------------------------------------------------
SHARES 6 SHARED VOTING POWER
BENEFICIALLY
OWNED BY 672,221
EACH -----------------------------------------------------------------
REPORTING 7 SOLE DISPOSITIVE POWER
PERSON
WITH 9,000
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8 SHARED DISPOSITIVE POWER
672,221
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9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
681,221
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10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*
[ ]
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11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
8.2%
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12 TYPE OF REPORTING PERSON
IN-IA-OO**
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*SEE INSTRUCTIONS BEFORE FILLING OUT!
** See Item 4.
Page 3 of 5
Item 1(a). Name of Issuer:
Gencor Industries, Inc.
Item 1(b). Address of Issuers's Principal Executive Offices:
5201 North Orange Blossom Trail
Orlando, FL 32810
Item 2(a). Name of Person Filing:
Lloyd I. Miller, III
Item 2(b). Address of Principal Business Office or, if None, Residence:
4550 Gordon Drive, Naples,
Florida 34102
Item 2(c). Citizenship:
U.S.A.
Item 2(d). Title of Class of Securities:
Common Stock
Item 2(e). CUSIP Number:
368678108
Item 3. IF THIS STATEMENT IS FILED PURSUANT TO RULE 13d-1(b) OR 13d-2(b) or (c),
CHECK WHETHER THE PERSON FILING IS A:
Not Applicable, this statement is filed pursuant to 13d-1(c)
Item 4. OWNERSHIP: The reporting person has sole voting and dispositive power
with respect to 9,000 of the reported securities as (i) a manager of a
limited liability company that is the general partner of a certain limited
partnership and (ii) an individual. The reporting person has shared voting
and dispositive power with respect to 672,221 of the reported securities as
an investment advisor to the trustee of certain family trusts.
(a) 681,221
(b) 8.2%
(c) (i) sole voting power: 9,000
(ii) shared voting power: 672,221
(iii) sole dispositive power: 9,000
(iv) shared dispositive power: 672,221
Item 5. OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS:
Not Applicable
Item 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON:
Other than shares held directly by Lloyd I. Miller, III, persons other than
Lloyd I. Miller, III have the right to receive or the power to direct the
receipt of dividends from, or the proceeds from the sale of, the reported
securities.
Item 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE
SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY:
Not Applicable
Page 4 of 5
Item 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP:
Not Applicable
Item 9. NOTICE OF DISSOLUTION OF GROUP:
Not Applicable
Item 10. CERTIFICATION:
By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were not acquired and are not held for the
purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in
connection with or as a participant in any transaction having that purpose
or effect.
Page 5 of 5
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.
Dated: February 6, 2007 /s/ Lloyd I. Miller, III
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Lloyd I. Miller, III