Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

On August 5, 2009, the Board of Directors of Lufkin Industries, Inc. elected Richard R. Stewart to the Board of Directors.

The Board of Directors has determined that Mr. Stewart is an independent director within the meaning of Rule 4200(a)(15) of the NASDAQ Marketplace Rules and meets the criteria for independence set forth in Rule 10A-3(b)(1) of the Exchange Act.

A copy of the press release announcing the election is filed as Exhibit 99.1 hereto and is incorporated herein by reference.

Item 9.01 Financial Statements and Exhibits

(c) Exhibits

Exhibit 99.1 Press Release, dated August 7, 2009, issued by Lufkin Industries, Inc.