X0202 4 2007-04-25 0 0000740761 BUCYRUS INTERNATIONAL INC BUCY 0001297868 Purdum Robert L AMERICAN INDUSTRIAL PARTNERS ONE MARITIME PLAZA, SUITE 2525 SAN FRANCISCO CA 94111-3523 1 0 0 0 Class A Common Stock, Par Value $0.01 Per Share 2007-04-25 4 A 0 883 0 A 883 I By Plan Class A Common Stock, Par Value $0.01 Per Share 3750 D Payment of a portion of annual non-employee director retainer fees in fully-vested shares of Class A Common Stock under the Company's Omnibus Incentive Plan 2007 and Non-Employee Directors Stock Fee Guidelines. Receipt of shares deferred under the Company's Non-Employee Director Deferred Compensation Plan. On March 29, 2006, the common stock of Bucyrus International, Inc. split 3-for-2, resulting in the reporting person's ownership of 1,250 additional shares of common stock. /s/Robert L. Purdum 2007-05-21