|Exhibit 31.1


Sarbanes-Oxley Section
302 Certification


I,
William M. Lasky, certify that:


1.
      I have reviewed this annual report on Form 10-K of JLG Industries, Inc.;


2.
      Based on my knowledge, this annual report does not contain any untrue statement of
a material fact or omit to state a material fact necessary to make the statements made,
in light of the circumstances under which such statements were made, not misleading with
respect to the period covered by this annual report;


3.
      Based on my knowledge, the financial statements, and other financial information
included in this annual report, fairly present in all material respects the financial
condition, results of operations and cash flows of the registrant as of, and for, the
periods presented in this annual report;


4.
      The registrant's other certifying officer and I are responsible for establishing
and maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) for the registrant and we have:
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| | a)
designed such disclosure controls and procedures, or caused such disclosure
controls and procedures to be designed under our supervision, to ensure that
material information relating to the registrant, including its consolidated
subsidiaries, is made known to us by others within those entities, particularly
during the period in which this annual report is being prepared;
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| | b)
evaluated the effectiveness of the registrant's disclosure controls and
procedures and presented in this report our conclusions about the effectiveness
of the disclosure controls and procedures, as of the end of the period covered
by this annual report based on such evaluation; and
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| | c)
disclosed in this report any change in the registrant's internal control over
financial reporting that occurred during the registrant's fourth fiscal quarter
that has materially affected, or is reasonably likely to materially affect, the
registrant's internal control over financial reporting; and
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|5.
The registrant's other certifying officer and I have disclosed, based on our
most recent evaluation of internal control over financial reporting, to the
registrant's auditors and the audit committee of registrant's board of directors
(or persons performing the equivalent function):
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| | a)
all significant deficiencies and material weaknesses in the design or operation
of internal control over financial reporting which are reasonably likely to
adversely affect the registrant's ability to record, process, summarize and
report financial information; and
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| | b)
any fraud, whether or not material, that involves management or other employees
who have a significant role in the registrant's internal control over financial
reporting.
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| | Date: October 6, 2004
/s/ William M. Lasky
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William M. Lasky
Chairman, President and Chief Executive Officer
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