SECURITIES AND EXCHANGE COMMISSION 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): JANUARY 5, 2005 ALLIS-CHALMERS CORPORATION -------------------------- (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER) DELAWARE 1-2199 (STATE OR OTHER JURISDICTION (COMMISSION FILE NUMBER) OF INCORPORATION) 39-0126090 (I.R.S. EMPLOYER IDENTIFICATION NO.) 5075 WESTHEIMER, SUITE 890 HOUSTON, TEXAS 77056 (ADDRESS OF PRINCIPAL EXECUTIVE OFFICES) (ZIP CODE) REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE: (713) 369-0550 Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (SEE General Instruction A.2. below): [ ] Written Communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) [ ] Soliciting material pursuant to Rule 14a-12 under the exchange ct (17 CFR 240.14a-12) [ ] 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)) ITEM 5.03 - AMENDMENT TO ARTICLES OF INCORPORATION OR BYLAWS; CHANGE IN FISCAL YEAR On January 5, 2005 the Company amended its Certificate of Incorporation to change its name to Allis-Chalmers Energy Inc. ITEM 9.01 - FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits 3.5 Certificate of Amendment of Certificate of Incorporation Filed January 5, 2005. SIGNATURE 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. ALLIS-CHALMERS CORPORATION /S/ VICTOR M. PEREZ --------------------------- BY: VICTOR M. PEREZ CHIEF FINANCIAL OFFICER DATE: JANUARY 11, 2005 Exhibit Index Exhibit No. Description ----------- ----------------------------------------------------------------- 3.5 Certificate of Amendment of Certificate of Incorporation