EXHIBIT 16.1 ANDERSEN Arthur Andersen LLP 100 East Wisconsin Avenue Office of the Chief Accountant PO Box 1215 Securities and Exchange Commission Milwaukee WI 53201-1215 450 Fifth Street, N.W. Washington, D.C. 20549 Tel 414 271 5100 www.andersen.com June 18, 2002 Dear Sir or Madam: We have read the first four paragraphs of Item 4 included under Item 4 of the Form 8-K dated June 18, 2002 of Bucyrus International, Inc. to be filed with the Securities and Exchange Commission and are in agreement with the statements contained therein. Very truly yours, /s/Arthur Andersen LLP ARTHUR ANDERSEN LLP Copy to: Mr. T. C. Rogers, CEO Bucyrus International, Inc.