X0306 4 2012-11-01 0 0000060849 LUFKIN INDUSTRIES INC LUFK 0001531060 HAY CLAUDE D P.O. BOX 849 LUFKIN TX 75902 0 1 0 0 VP/GM Power Transmission Div COMMON STOCK 2012-11-01 4 F 0 468 50.47 D 4832 D The shares were withheld by the Issuer in satisfaction of the withholding taxes incurred in connection with the vesting of restricted stock previously awarded to the Reporting Person. The withholding of the shares is an exempt disposition pursuant to Rule 16b-3(e) of the Securities Exchange Act of 1934, as amended. Claude D. "Bud" Hay 2012-11-05