SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    FORM 10-Q

X    QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE
     ACT OF 1934 For the quarterly period ended September 30, 2003.

                                                         OR

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

       For the transition period from ________________ to _______________

Commission File Number 1-475


                             A.O. SMITH CORPORATION


        Delaware                                              39-0619790
(State of Incorporation)                               (IRS Employer ID Number)

                P. O. Box 245008, Milwaukee, Wisconsin 53224-9508
                            Telephone: (414) 359-4000


Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months and (2) has been subject to such filing requirements for
the past 90 days. Yes X No ___

Indicate  by check mark  whether  the  registrant  is an  accelerated  filer (as
defined in Rule 12b-2 of the Act) Yes X No ___


Class A Common Stock Outstanding as of September 30, 2003 -- 8,514,204 shares

Common Stock Outstanding as of September 30, 2003 -- 20,682,709 shares

                              Exhibit Index Page 18


                                      Index


                             A. O. Smith Corporation




Part I. Financial Information

Item 1. Financial Statements (Unaudited)

     Condensed Consolidated Statements of Earnings
     - Three and nine months ended September 30, 2003 and 2002                 3

     Condensed Consolidated Balance Sheets
     - September 30, 2003 and December 31, 2002                                4

     Condensed Consolidated Statements of Cash Flows
     - Nine months ended September 30, 2003 and 2002                           5

     Notes to Condensed Consolidated Financial Statements
     - September 30, 2003                                                   6-10

Item 2. Management's Discussion and Analysis of Financial Condition
and Results of Operations                                                  11-14

Item 3. Quantitative and Qualitative Disclosure of Market Risk                15

Item 4. Controls and Procedures                                               15

Part II. Other Information

Item 1. Legal Proceedings                                                     16

Item 4. Submission of Matters to a Vote of Security Holders                   16

Item 5. Other Information                                                     16

Item 6. Exhibits and Reports on Form 8-K                                      16

Signatures                                                                    17

Index to Exhibits                                                             18
     Exhibit 31.1                                                          19-20
     Exhibit 31.2                                                          21-22
     Exhibit 32                                                               23



PART I - FINANCIAL INFORMATION
- ------------------------------
ITEM 1 - FINANCIAL STATEMENTS
- ----------------------------

                             A.O. SMITH CORPORATION
                  CONDENSED CONSOLIDATED STATEMENT OF EARNINGS
             Three and Nine Months ended September 30, 2003 and 2002
                (dollars in millions, except for per share data)
                                   (unaudited)



                                                                  Three Months Ended                 Nine Months Ended
                                                                     September 30                       September 30
                                                                  ------------------               --------------------
                                                                  2003          2002               2003            2002
                                                                  ----          ----               ----            ----
                                                                                                  
Electrical Products                                          $      201.2  $      197.5      $      641.9     $      612.9
Water Systems                                                       155.2         154.9             520.0            497.7
                                                             ------------  ------------      ------------     ------------
     Net sales                                                      356.4         352.4           1,161.9          1,110.6
Cost of products sold                                               294.9         286.1             938.4            885.9
                                                             ------------  ------------      ------------     ------------
     Gross profit                                                    61.5          66.3             223.5            224.7
Selling, general and administrative expenses                         48.8          48.3             154.5            151.7
Interest expense                                                      3.1           3.2               9.0             11.1
Other (income) expense - net                                          0.3          (0.1)              0.6              0.6
                                                             ------------  ------------      ------------     ------------
                                                                      9.3          14.9              59.4             61.3
Provision for income taxes                                            3.3           4.9              19.8             21.2
                                                             ------------  ------------      ------------     ------------

     Net Earnings                                            $        6.0  $       10.0      $       39.6     $       40.1
                                                             ============  ============      ============     ============

Earnings per Common Share
     Basic                                                         $0.21         $0.35             $1.36            $1.52
                                                                   ======        ======            ======           ======
     Diluted                                                       $0.20         $0.34             $1.33            $1.49
                                                                   ======        ======            ======           ======


Dividends per Common Share                                         $0.15         $0.14             $0.43            $0.40
                                                                   ======        ======            ======           ======



See accompanying notes to unaudited condensed consolidated financial statements.

                                       3


PART I - FINANCIAL INFORMATION
- ------------------------------
ITEM 1 - FINANCIAL STATEMENTS
- -----------------------------

                             A.O. SMITH CORPORATION
                      CONDENSED CONSOLIDATED BALANCE SHEETS
                    September 30, 2003 and December 31, 2002
                    (dollars in millions, except share data)
                                   (unaudited)



                                                                           September 30, 2003      December 31, 2002
                                                                           ------------------      -----------------
                                                                                           
Assets
     Current Assets
     Cash and cash equivalents                                       $           35.4            $           32.8
     Receivables                                                                225.7                       215.5
     Inventories                                                                248.7                       200.4
     Deferred income taxes                                                       21.9                        26.7
     Other current assets                                                        14.0                        12.9
                                                                     ----------------            ----------------
     Total Current Assets                                                       545.7                       488.3

     Property, plant and equipment                                              713.6                       686.2
     Less accumulated depreciation                                              361.4                       323.5
                                                                     ----------------            ----------------
     Net property, plant and equipment                                          352.2                       362.7
     Goodwill                                                                   302.4                       302.4
     Other assets                                                                73.8                        71.5
                                                                     ----------------            ----------------
     Total Assets                                                    $        1,274.1            $        1,224.9
                                                                     ================            ================
Liabilities
     Current Liabilities
     Trade payables                                                  $          148.1            $          131.4
     Accrued payroll and benefits                                                35.3                        38.7
     Accrued liabilities                                                         45.7                        60.4
     Product warranty                                                            19.3                        19.5
     Long-term debt due within one year                                           8.6                        11.7
                                                                     ----------------            ----------------
     Total Current Liabilities                                                  257.0                       261.7

     Long-term debt                                                             259.8                       239.1
     Pension liability                                                           82.0                        90.8
     Other liabilities                                                          110.1                       114.7
     Deferred income taxes                                                       17.0                         7.5
                                                                     ----------------            ----------------
     Total Liabilities                                                          725.9                       713.8

Stockholders' Equity
     Class A common stock, $5 par value: authorized
        14,000,000 shares; issued 8,546,799 and 8,595,435                        42.7                        43.0
     Common stock, $1 par value: authorized 60,000,000
        shares; issued  24,002,563 and 23,953,927                                24.0                        24.0
     Capital in excess of par value                                              73.7                        73.5
     Retained earnings                                                          615.5                       588.5
     Accumulated other comprehensive loss                                      (115.4)                     (121.9)
     Treasury stock at cost                                                     (92.3)                      (96.0)
                                                                     ----------------            ----------------
     Total Stockholders' Equity                                                 548.2                       511.1
                                                                     ----------------            ----------------
Total Liabilities and Stockholders' Equity                           $        1,274.1            $        1,224.9
                                                                     ================            ================



See accompanying notes to unaudited condensed consolidated financial statements

                                        4



PART I - FINANCIAL INFORMATION
- ------------------------------
ITEM 1 - FINANCIAL STATEMENTS
- -----------------------------

                             A.O. SMITH CORPORATION
                 CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS
                  Nine Months Ended September 30, 2003 and 2002
                              (dollars in millions)
                                   (unaudited)




                                                                                        Nine Months Ended
                                                                                          September 30
                                                                                  ----------------------------
                                                                                  2003                    2002
                                                                                  ----                    ----
                                                                                              

Operating Activities
Continuing
      Net earnings                                                          $          39.6         $          40.1
      Adjustments to reconcile net earnings to net cash provided
         by operating activities:
            Depreciation                                                               37.1                    36.6
            Amortization                                                                1.6                     1.1
            Net change in current assets and liabilities                              (49.0)                   22.1
            Net change in other noncurrent assets and liabilities                      (2.5)                   (0.8)
            Other                                                                      (0.7)                   (0.7)
                                                                            ---------------         ---------------
Cash Provided by Operating Activities                                                  26.1                    98.4

Investing Activities
      Capital expenditures                                                            (28.1)                  (25.8)
      Acquisition of business                                                          (3.1)                  (11.8)
                                                                            ---------------         ---------------
Cash Used in Investing Activities                                                     (31.2)                  (37.6)

Financing Activities
      Long-term debt incurred                                                          50.0                       -
      Long-term debt retired                                                          (32.3)                 (174.9)
      Net proceeds from common stock offering                                             -                   127.5
      Other stock transactions                                                          2.6                     5.3
      Dividends paid                                                                  (12.5)                  (10.2)
                                                                            ---------------         ---------------
Cash Provided by (Used in) Financing Activities                                         7.8                   (52.3)

Cash (Used in) Provided by Discontinued Operations                                     (0.1)                    3.7
                                                                            ---------------         ---------------

      Net increase in cash and cash equivalents                                         2.6                    12.2
      Cash and cash equivalents-beginning of period                                    32.8                    20.7
                                                                            ---------------         ---------------
Cash and Cash Equivalents - End of Period                                   $          35.4         $          32.9
                                                                            ===============         ===============



See accompanying notes to unaudited condensed consolidated financial statements.


                                        5



PART I - FINANCIAL INFORMATION
- ------------------------------
ITEM 1 - FINANCIAL STATEMENTS
- -----------------------------

                             A. O. SMITH CORPORATION
              NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS
                               September 30, 2003
                                   (unaudited)

1.   Basis of Presentation
     The accompanying unaudited condensed consolidated financial statements have
     been prepared in accordance with accounting  principles  generally accepted
     in the United States for interim financial  information and pursuant to the
     rules  and   regulations  of  the   Securities  and  Exchange   Commission.
     Accordingly,  they do not  include  all of the  information  and  footnotes
     required for complete financial  statements.  In the opinion of management,
     all  adjustments  (consisting  of  normal  recurring  accruals)  considered
     necessary for a fair presentation have been included. Operating results for
     the  three-  and  nine-month  periods  ended  September  30,  2003  are not
     necessarily  indicative  of the results  expected for the full year.  It is
     suggested that the accompanying condensed consolidated financial statements
     be read in conjunction with the audited  consolidated  financial statements
     and the notes  thereto  included in the  company's  latest Annual Report on
     Form 10-K.  Certain prior year amounts have been reclassified to conform to
     the 2003 presentation.

2.   Acquisitions
     On July 1, 2002,  A. O.  Smith  Corporation  (the  company)  completed  the
     purchase  of the  hermetic  motor  assets of the Athens  Products  (Athens)
     division of Electrolux Group for cash  consideration  of $9.7 million.  The
     purchase price was allocated to the assets acquired and liabilities assumed
     based upon current estimates of their respective fair values at the date of
     acquisition.

     In late  2002,  the  company  acquired  the motor  manufacturing  assets of
     Jiangsu  Changheng Group Co. Ltd.  (Changheng) for a total of $15.3 million
     of which $3.1 million of deferred  payments was paid in 2003.  The purchase
     price was allocated to the assets  acquired and  liabilities  assumed based
     upon  current  estimates  of their  respective  fair  values at the date of
     acquisition.

     In connection  with the Athens  acquisition  and other  acquisitions by the
     company,  aggregate  additional purchase  liabilities of $26.5 million were
     recorded at the  respective  acquisition  dates for employee  severance and
     relocation,  as well as certain  facility  exit costs.  As of September 30,
     2003, costs incurred and charged against these  liabilities to date totaled
     $22.0 million.

3.   Business Improvement Programs
     In the fourth  quarter of 2001,  the  company  recorded  restructuring  and
     related charges of $9.4 million.  The charges included employee  separation
     costs of $7.7 million  associated  with product or component  manufacturing
     repositioning and the realignment of certain administrative  functions. The
     resulting  reduction  of workforce  is  approximately  150 salaried and 775
     hourly employees. In addition, the company recorded facility impairment and
     lease charges of $1.7 million representing estimated costs of facilities to
     be vacated.  The company spent $5.2 million through  September 30, 2003 for
     employee severance and separation costs. At September 30,


                                       6


     2003,  the company  estimates  approximately  170  employees  are yet to be
     impacted. The realignment activities will be substantially  completed prior
     to December 31, 2003.

4.   Inventories (dollars in millions)

                                 September 30, 2003         December 31, 2002
                                 ------------------         -----------------
      Finished products                 $   162.9                  $  130.7
      Work in process                        46.1                      39.7
      Raw materials                          68.0                      58.3
                                         --------                   -------
                                            277.0                     228.7
      LIFO reserve                           28.3                      28.3
                                         --------                   -------
                                        $   248.7                  $  200.4
                                         ========                   =======


5.    Long-Term Debt
     The company's  credit  agreement and term notes contain certain  conditions
     and provisions which restrict the company's payment of dividends. Under the
     most restrictive of these  provisions,  retained earnings of $109.4 million
     were unrestricted as of September 30, 2003.

     During  June 2003,  the  company  issued $50  million in senior  notes with
     various insurance  companies.  The notes range in maturity between 2013 and
     2016 and carry a weighted-average interest rate of slightly less than 4.5%.
     The proceeds of the notes were used to repay  commercial paper and revolver
     borrowing.

6.   Product Warranty (dollars in millions)
     The company  offers  warranties on the sales of certain of its products and
     records an accrual for the estimated future claims. Such accruals are based
     upon historical experience and management's estimate of the level of future
     claims.  The  following  table  presents the company's  warranty  liability
     activity  for  the   nine-months   ended   September  30,  2003  and  2002,
     respectively:

                                            2003                   2002
                                         ----------              --------
     Balance at January 1                $    70.5               $  69.6
        Expense                               21.4                  23.4
        Claims settled                       (22.6)                (20.5)
                                          --------                ------
     Balance at September 30             $    69.3               $  72.5
                                          ========                ======

7.   Common Stock Issuance
     On May 10, 2002, the company  completed the sale of 4,776,065 shares of its
     common stock held in  treasury.  The $127.5  million net proceeds  from the
     offering were used to reduce long-term debt. 8.

                                       7


8.   Comprehensive Earnings (dollars in millions)
     The company's comprehensive earnings are comprised of net earnings, foreign
     currency  translation  adjustments,  and realized and unrealized  gains and
     losses on cash flow derivative instruments.



                                                               Three Months Ended          Nine Months Ended
                                                                  September 30                September 30
                                                             ------------------------    -----------------------
                                                                 2003         2002          2003         2002
                                                             -----------   ----------    ----------   ----------
                                                                                              
      Net Earnings                                             $ 6.0        $ 10.0          $ 39.6        $ 40.1

      Other comprehensive earnings (loss):
      Foreign currency translation adjustments                   0.1          (0.3)            1.8           1.8
      Unrealized net gains (losses) on cash flow
        derivative instruments less related income
        tax provision (benefit): 2003 -  ($1.6) &
        $2.9; 2002 - ($2.0) & ($3.1)                            (2.4)         (3.2)            4.6          (4.8)
                                                                ----         -----           -----         -----

      Comprehensive Earnings                                   $ 3.7        $  6.5          $ 46.0        $ 37.1
                                                                ====         =====           =====         =====


9.   Earnings per Share of Common Stock
     The numerator for the  calculation of basic and diluted  earnings per share
     is net earnings.  The following  table sets forth the  computation of basic
     and  diluted  weighted-average  shares  used  in  the  earnings  per  share
     calculations:



                                                           Three Months Ended                Nine Months Ended
                                                            September 30                     September 30
                                                 --------------------------------   ------------------------------
                                                       2003            2002              2003            2002
                                                 --------------------------------   --------------  --------------
                                                                                            
     Denominator for basic earnings
          per share
       - weighted-average shares                    29,074,083        28,752,219       29,007,013       26,355,164

     Effect of dilutive stock options                  706,028           698,739          646,286          663,251
                                                  ------------      ------------     ------------      -----------

     Denominator for diluted earnings
       per share                                    29,780,111        29,450,958       29,653,299       27,018,415
                                                    ==========        ==========       ==========       ==========



                                       8


10.  Stock Based Compensation
     The company has one stock-based  employee  compensation  plan as more fully
     described in Note 11 of Notes to Consolidated  Financial  Statements of the
     Company's 2002 annual report on Form 10-K.  SFAS No. 123,  "Accounting  for
     Stock-Based  Compensation,"  encourages,  but does not require companies to
     record  compensation cost for stock-based  employee  compensation  plans at
     fair  value.  The  company  has  chosen  to  continue  applying  Accounting
     Principles   Board  Opinion  No.  25,   "Accounting  for  Stock  Issued  to
     Employees," and related  interpretations in accounting for its stock option
     plan.  Accordingly,  because the number of shares is fixed and the exercise
     price of the stock options equals the market price of the underlying  stock
     on the date of grant, no compensation expense has been recognized.

     Had  compensation  cost been  determined  based  upon the fair value at the
     grant date for awards under the plans based on the  provisions  of SFAS No.
     123,  the  company's  pro forma  earnings and earnings per share would have
     been as follows:



                                                                  Three months ended               Nine months ended
                                                                     September 30                    September 30
                                                              ----------------------------    ----------------------------
(dollars in millions, except per share amounts)                   2003           2002             2003          2002
- ------------------------------------------------------------- -------------- -------------    ------------- --------------
                                                                                                    
Earnings:
     As reported                                                 $  6.0        $  10.0            $ 39.6        $ 40.1
     Deduct:  Total stock based employee compensation
        expense determined under fair value based method,
        net of tax                                                 (0.4)          (0.4)             (1.2)         (1.3)
                                                                  -----         ------             -----         -----
     Pro forma                                                   $  5.6        $   9.6            $ 38.4        $ 38.8
                                                                  =====         ======             =====         =====
Earnings per share:
     As reported:
        Basic                                                     $0.21         $ 0.35            $ 1.36         $1.52
        Diluted                                                    0.20           0.34              1.33          1.49
     Pro forma:
        Basic                                                     $0.19         $ 0.33            $ 1.32         $1.48
        Diluted                                                    0.19           0.33              1.29          1.44



                                       9


11.  Operations by Segment (dollars in millions)



                                                            Three Months Ended                 Nine Months Ended
                                                             September 30                      September  30
                                                    -----------------------------      ----------------------------
                                                         2003            2002              2003             2002
                                                    -------------    ------------      ------------     -----------
                                                                                            
      Net sales
         Electrical Products                         $   201.2        $  197.5        $     641.9       $   612.9
         Water Systems                                   155.2           154.9              520.0           497.7
                                                      --------         -------         ----------        --------
                                                     $   356.4        $  352.4        $   1,161.9       $ 1,110.6
                                                      ========         =======         ==========        ========

      Operating earnings
         Electrical Products                         $     9.6        $   10.3        $      45.9       $    46.0
         Water Systems                                     7.9            13.4               37.7            43.6
                                                      --------         -------         ----------        --------
                                                          17.5            23.7               83.6            89.6
         Corporate expenses                               (5.1)           (5.6)             (15.2)          (17.2)
                                                      ---------        --------        -----------       ---------
      Earnings before interest and taxes                  12.4            18.1               68.4            72.4
         Interest expense                                 (3.1)           (3.2)              (9.0)          (11.1)
                                                      --------         -------         ----------        --------
      Earnings before income taxes                         9.3            14.9               59.4            61.3
         Provision for income taxes                       (3.3)           (4.9)             (19.8)          (21.2)
                                                      --------         -------         ----------        --------
      Net earnings                                   $     6.0        $   10.0        $      39.6       $    40.1
                                                      ========         =======         ==========        ========




     Intersegment  sales, which are immaterial,  have been excluded from segment
     revenues.


                                       10


PART I - FINANCIAL INFORMATION
- ------------------------------
ITEM 2 - MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS
- --------------------------------------------------------------------------------
         OF OPERATIONS
         -------------

RESULTS OF OPERATIONS
- ---------------------
THIRD QUARTER AND FIRST NINE MONTHS OF 2003 COMPARED TO 2002
- ------------------------------------------------------------

Sales were $356.4 million in the third quarter of 2003, $4.0 million higher than
sales of $352.4 million in last year's third  quarter.  Sales for the first nine
months of the year were $1.16  billion,  4.6 percent  higher than sales of $1.11
billion in the same period last year.  Higher sales from our 2002 acquisition of
Jiangsu Changheng Group Co. Ltd. (Changheng) in our Electrical Products business
accounted  for the higher  sales in the quarter.  The  increase in  year-to-date
sales was due  primarily  to our  acquisitions  of Athens  Products  and Jiangsu
Changheng Group Co. Ltd. in our Electrical  Products business,  and higher water
heater prices related to higher steel costs,  and increased sales at our Chinese
water heater operation.

Our gross profit  margin for the third  quarter of 2003 declined to 17.3 percent
from 18.8 percent in the third quarter of 2002. Our year-to-date gross margin in
2003 was 19.2 percent compared with 20.2 percent in the same period in 2002. For
the  quarter  and year to date,  most of the  decline  in  gross  profit  margin
resulted from higher freight and manufacturing costs related to the introduction
of the flammable vapor ignition resistant water heater product.

Selling, general and administrative expenses in the third quarter and first nine
months of 2003 were higher than the same periods in 2002 by $.5 million and $2.8
million, respectively. The acquisitions made in 2002 contributed to the increase
in the quarterly and year-to-date selling, general and administrative expense.

Despite  higher debt levels,  interest  expense in the third quarter of 2003 was
slightly  lower  than in the same  period in 2002 due to lower  interest  rates.
Interest  expense for the first nine months of 2003 was $2.1 million  lower than
the  comparable  period in 2002 due to lower average debt levels  resulting from
our May 10, 2002 stock offering, and lower interest rates.

We have  significant  pension  benefit costs and credits that are developed from
actuarial  valuation.  The valuations reflect key assumptions  regarding,  among
other things,  discount rates, expected return on plan assets,  retirement ages,
and years of  service.  Consideration  is given to  current  market  conditions,
including changes in interest rates, in making these assumptions. Our assumption
for the  expected  rate of return on pension  plan assets is 9.0 percent in 2003
compared  with 9.75  percent in 2002.  Pension  income  recognized  in the third
quarter  and  first  nine  months  of 2003 was $2.9  million  and $8.7  million,
respectively, and compared with $4.1 million and $12.7 million in the comparable
periods of 2002.  Our  pension  income is  reflected  as  reductions  to cost of
products sold and selling, general, and administrative expense.

Our year-to-date  effective tax rate was 33.4 percent compared with 34.5 percent
for the first nine months of 2002. The  year-to-date  effective rate in 2003 was
favorably  impacted by release of a $.7 million  reserve  upon  resolution  of a
federal tax audit in May 2003. The effective rate for the total year 2003 should
approximate 34.0 percent.

                                       11


Net earnings for the third  quarter of 2003 were $6.0 million or $.20 per share.
Net earnings for the third quarter of 2002 were $10.0 million or $.34 per share.
The third quarter decline in earnings was primarily due to costs associated with
disruptions  encountered  with  the  launch  of  new  flammable  vapor  ignition
resistant  product in our Water Systems  business.  For the first nine months of
the year, our net earnings were $39.6 million,  slightly lower than net earnings
of $40.1  million  in the same  period  of 2002.  Despite  a modest  decline  in
year-to-date net earnings from 2002 to 2003, diluted earnings per share declined
eleven  percent,  from  $1.49  in 2002 to $1.33 in  2003.  The  majority  of the
earnings per share decline was due to the dilutive  impact of the May 2002 stock
offering.

Electrical Products
Third quarter sales for our Electrical  Products segment were $201.2 million, or
$3.7 million  higher than sales of $197.5  million in the third quarter of 2002.
The  increase  in sales  for the third  quarter  was  attributable  to our China
acquisition  at the end of 2002.  Higher  sales of air  conditioning  motors and
motors sold through the  distribution  channel  offset lower sales of motors for
pumps,  subfractional and general industry applications.  Year-to-date sales for
this segment were $641.9  million,  an increase of $29.0  million from 2002 nine
month sales of $612.9  million.  The year over year increase was due to our July
2002   acquisition  of  Athens   Products,   and  the  December  2002  Changheng
acquisition.

Operating  earnings for our  Electrical  Products  segment in the third  quarter
declined to $9.6 million from $10.3  million in the third  quarter of 2002.  The
decline in earnings was due primarily to a half million  dollar  operating  loss
associated  with the Changheng  motor  acquisition.  Earnings for the first nine
months of 2003 were $45.9 million, similar to the same period in 2002.

During the  quarter we entered  into a letter of intent to acquire the assets of
Taicang Special Motor Co., Ltd., near Shanghai. Taicang will serve to expand our
China  manufacturing  capability to include hermetic motors.  The transaction is
expected to be completed in the fourth quarter of 2003.

Water Systems
Third quarter sales for our Water Systems segment were $155.2  million,  similar
to the same  period  last  year.  Higher  sales in  China,  coupled  with  price
increases related to steel costs and the new flammable vapor ignition  resistant
product  offset lower unit sales of residential  and  commercial  water heaters.
Water  Systems'  sales for the first nine months of 2003 were $520.0  million or
$22.3 million  higher than the comparable  period in 2002.  Most of the increase
was due to the price  increase  associated  with steel costs,  and a significant
increase in sales at our Chinese water heater operation.

Third quarter operating earnings for our Water Systems segment were $7.9 million
or $5.5 million  lower than the third quarter of 2002.  The lower  earnings were
the result of higher freight and one-time  manufacturing  costs  associated with
the launch of the flammable vapor ignition resistant product.

Outlook
As we indicated in our Sept.  24 press  release and Form 8-K filed with the SEC,
we expect  earnings for 2003 to range  between  $1.75 and $1.80 per share.  This
reduction  from our previous  forecast was due to the earnings  shortfall in the
third  quarter  and efforts to reduce  electric  motor  inventory  in the fourth
quarter. We expect these implementation difficulties to be behind us as we enter
2004.

                                       12


Accordingly,  we  expect  earnings  per  share  in 2004 to be in line  with  our
strategic plan, in a range of $2.40 to $2.60 per share.

Liquidity & Capital Resources
Our working  capital was $288.7  million at September  30, 2003,  $62.1  million
higher than at December 31, 2002.  The  majority of the increase  resulted  from
higher accounts  receivable  levels of $10.2 million and higher inventory levels
of $48.3 million  primarily  related to product  repositioning in our electrical
products business and a new product launch in our water systems  business.  Cash
provided by operating  activities during the first nine months of 2003 was $26.1
million  compared  with $98.4 million  provided  during the same period in 2002.
Essentially  all of the  difference  is due to the higher  investment in working
capital,  as described above, during 2003 compared with 2002, and the receipt of
a $12.4  million  tax refund in 2002.  We project  cash  provided  by  operating
activitites of $60 to $70 million for the full year.

Our  capital  expenditures  during the first nine months of 2003  totaled  $28.1
million,  which was slightly  higher than the capital  spending  during the same
period last year. For the full year, we are projecting 2003 capital expenditures
of  approximately  $40 to $45 million,  compared with the $42.5 million spent in
2002. We expect that cash flow during 2003 will adequately cover planned capital
expenditures.  We  believe  that our  present  facilities  and  planned  capital
expenditures are sufficient to provide  adequate  capacity for our operations in
2003.

Our total debt  increased by $17.6  million from $250.8  million at December 31,
2002 to $268.4  million at September  30, 2003.  Our leverage as measured by the
ratio of total debt to total  capitalization  was 33%, unchanged from the end of
2002. We did not enter into any  significant  operating  leases during the first
nine months of 2003.

At September 30, 2003,  our company had available  borrowing  capacity of $166.8
million under our credit facility.  We believe that the combination of available
borrowing  capacity and  operating  cash flow will provide  sufficient  funds to
finance our existing operations for the foreseeable future.

In connection with acquisitions, we have recorded aggregate purchase liabilities
of $26.5 million at the respective  acquisition dates for employee severance and
relocation as well as certain  facility exit costs. As of September 30, 2003, we
incurred and charged $22.0  million  against  these  liabilities.  We expect the
majority of the activities to be completed by December 31, 2003.

On October 7, 2003, our board of directors declared a regular quarterly dividend
of $.15 per share on our Common stock and Class A common stock, which is payable
on November 17, 2003 to stockholders of record on October 31, 2003.

Critical Accounting Policies
Our  accounting  policies  are  described  in Note 1 of  Notes  to  Consolidated
Financial  Statements  as  disclosed  in the Form 10-K for the fiscal year ended
December 31, 2002.  Also as  disclosed in Note 1, the  preparation  of financial
statements in conformity with accounting  principles  generally  accepted in the
United States requires the use of estimates and assumptions  about future events
that affect the amounts  reported in the financial  statements and  accompanying
notes.  Future  events and their  effects  cannot be  determined  with  absolute
certainty.  Therefore,  the determination of estimates  requires the exercise of
judgment.  Actual results inevitably will differ from those estimates,  and such
differences may be material to the financial statements.

                                       13


The most  significant  accounting  estimates  inherent in the preparation of our
financial  statements  include  estimates  associated with the evaluation of the
impairment of goodwill,  as well as the recoverability of receivables  resulting
from the payment of claims  associated  with the dip tube class  action  lawsuit
(see Note 14 of notes to consolidated  financial statements in the Form 10-K for
the fiscal year ended December 31, 2002).  There are also significant  estimates
used  in  the  determination  of  liabilities   related  to  warranty  activity,
litigation,  product  liability,  environmental  matters and  pensions and other
post-retirement  benefits.  Various  assumptions and other factors  underlie the
determination  of  these  significant  estimates.  The  process  of  determining
significant  estimates is  fact-specific  and takes into account factors such as
historical experience and trends, and in some cases,  actuarial  techniques.  We
constantly  reevaluate these  significant  factors and adjustments are made when
facts and circumstances dictate.

Recent Accounting Pronouncements
The  Financial  Accounting  Standards  Board  (FASB)  has issued  SFAS No.  143,
"Accounting for Asset  Retirement  Obligations",  SFAS No. 146,  "Accounting for
Costs Associated with Exit or Disposal  Activities,"  SFAS No. 148,  "Accounting
for   Stock-Based   Compensation   -  Transition  and   Disclosure",   and  FASB
Interpretation Number ("FIN") 46, "Consolidation of Variable Interest Entities."
SFAS No.  143,  which was  adopted on  January 1, 2003,  did not have a material
impact on our consolidated financial statements since its adoption. SFAS No. 146
is effective for exit or disposal activities  initiated after December 31, 2002.
Adoption of this  statement did not have a material  impact on our  consolidated
financial  statements.   Effective  December  31,  2002,  we  began  making  the
disclosures  required under SFAS No. 148. To date, FIN 46 has not had a material
impact on our consolidated financial statements nor is FIN 46 expected to have a
material impact on our consolidated financial statements in the future.


                                       14


ITEM 3 - QUANTITATIVE AND QUALITATIVE DISCLOSURE OF MARKET RISK
- ---------------------------------------------------------------
As is more fully  described in our annual report on Form 10-K for the year ended
December 31, 2002, we are exposed to various  types of market  risks,  primarily
currency  and  certain  commodities.  We monitor  our risks in these  areas on a
continuous  basis and  generally  enter into  forward and futures  contracts  to
minimize these exposures for periods of less than one year. Our company does not
engage in speculation in our derivative strategies. It is important to note that
gains and losses from our forward and futures contract  activities are offset by
changes in the underlying costs of the transactions being hedged.

ITEM 4 - CONTROLS AND PROCEDURES
- --------------------------------

Evaluation of disclosure controls and procedures
The chief  executive  officer and chief  financial  officer have  evaluated  the
effectiveness  of  the  company's  disclosure  controls  and  procedures  as  of
September  30,  2003 and have  concluded  that  these  disclosure  controls  and
procedures  were  adequate  and  effective to ensure that  material  information
relating to the company and its consolidated subsidiaries would be made known to
them by others within those entities.

Changes in internal controls
There  were no  significant  changes in our  internal  controls  over  financial
reporting or in other  factors that could  significantly  affect our  disclosure
controls and procedures nor were there any significant  deficiencies or material
weaknesses in our internal  controls.  As a result,  no corrective  actions were
required or undertaken.

Forward Looking Statements
This  document  contains   statements  that  we  believe  are   "forward-looking
statements" within the meaning of the Private  Securities  Litigation Reform Act
of 1995.  Forward-looking  statements  generally can be identified by the use of
words  such as "may,"  "will,"  "expect,"  "intend,"  "estimate,"  "anticipate,"
"believe,"  "continue,"  or  words of  similar  meaning.  These  forward-looking
statements  are  subject  to risks and  uncertainties  that could  cause  actual
results  to differ  materially  from  those  anticipated  as of the date of this
release.  Factors  that  could  cause  such a variance  include  the  following:
instability  in  the  company's  electric  motor  and  water  products  markets;
inability to generate the synergistic cost savings from the acquisition of State
Industries;  the inability to implement cost-reduction programs; adverse changes
in general economic  conditions;  significant  increases in raw material prices;
competitive  pressures  on the  company's  businesses;  and the  potential  that
assumptions on which the company based its  expectations  are inaccurate or will
prove to be incorrect.

Forward-looking  statements  included in this  document  are made only as of the
date of this filing,  and the company is under no  obligation  to upgrade  these
statements to reflect subsequent events or circumstances. All subsequent written
and oral forward-looking statements attributed to the company, or persons acting
on its behalf, are qualified entirely by these cautionary statements.


                                       15


PART II - OTHER INFORMATION
- ---------------------------
ITEM 1 - LEGAL PROCEEDINGS
- --------------------------

There  have been no  material  changes  in the legal and  environmental  matters
previously  reported in Part 1, Item 3 and Note 14 of the Notes to  Consolidated
Financial  Statements  in the  company's  Form 10-K  Report  for the year  ended
December 31, 2002.

ITEM 4 - SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS
- ------------------------------------------------------------

None.

ITEM 5 - OTHER INFORMATION
- --------------------------

None.

ITEM 6 - EXHIBITS AND REPORTS ON FORM 8-K
- -----------------------------------------

On July 17, 2003 the Company filed a Current Report on Form 8-K, reporting under
Items 7 and 9,  announcing  the Company's  results for the second  quarter ended
June 30, 2003 and its earnings outlook for 2003.

On September 24, 2003 the Company filed a Current Report on Form 8-K,  reporting
under Items 7 and 9, revising the Company's earnings outlook for 2003.

On October 15, 2003 the Company  filed a Current  Report on Form 8-K,  reporting
under Items 7 and 9,  announcing  the  Company's  results for the third  quarter
ended September 30, 2003 and its earnings outlook for 2003.


                                       16


SIGNATURES


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has  authorized  this  report  to be  signed  on its  behalf  by the
undersigned.


                                         A. O. SMITH
CORPORATION




October 30, 2003                         /s/John J. Kita
                                         ----------------------------
                                         John J. Kita
                                         Vice President,
                                         Treasurer and Controller




October 30, 2003                         /s/Kenneth W. Krueger
                                         ----------------------------
                                         Kenneth W. Krueger
                                         Senior Vice President
                                         and Chief Financial Officer


                                       17

                                INDEX TO EXHIBITS
                                -----------------



Exhibit
Number          Description
- ------          -----------

31.1           Certification  of Periodic Report by the Chief Executive  Officer
               pursuant to Rule  13a-14(a)  of the  Securities  Exchange  Act of
               1934.

31.2           Certification  of Periodic Report by the Chief Financial  Officer
               pursuant to Rule  13a-14(a)  of the  Securities  Exchange  Act of
               1934.

32             Written  Statement of the Chief  Executive  Officer and the Chief
               Financial Officer pursuant to 18 U.S.C. Section 1350.


                                       18