Exhibit 23 Consent of Independent Auditors We consent to the incorporation by reference in the Registration Statements on Form S-8, No. 33-60366, No. 33-61333 and No. 33-75746 and Form S-3, No. 333-47487 of our report dated September 9, 1999, with respect to the consolidated financial statements of JLG Industries, Inc. included in the Annual Report (Form 10-K) for the year ended July 31, 1999. /s/ Ernst & Young LLP Baltimore, Maryland October 7, 1999