POWER OF ATTORNEY
Know all persons by these presents, that the undersigned,
Robert S. Messina, hereby constitutes and appoints each of
Ignacio A. Cortina, Janet L. Hogan and David M. Sagehorn,
signing singly, the undersigned's true and lawful attorney-in-fact to:
(1)execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer and/or director of Oshkosh Corporation
(the "Company"), Forms 3, 4, and 5 and Form 144 in accordance with
the Securities Exchange Act of 1934 and the rules thereunder;
(2)do and perform any and all acts for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Form 3, 4, or 5 and Form 144, complete and execute any amendment or
amendments thereto, and timely file such form with the United States
Securities and Exchange Commission and any stock exchange or similar
authority; and
(3)take other action in connection with the foregoing which, in the
opinion of such attorney-in-fact, may be of benefit to, in the best
interest of, or legally required by, the undersigned, it being understood
that the documents executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall be in such form
and shall contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all intents
and purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of
the undersigned, are not assuming, nor is the Company assuming,
any of the undersigned's responsibilities to comply with Section 16
or any other provision of the Securities Exchange Act of 1934.
This Power of Attorney supersedes and replaces any and all previously
dated Powers of Attorney of the undersigned regarding the subject hereof,
and it shall remain in full force and effect until the undersigned is
no longer required to file Forms 3, 4, and 5 and Form 144 with respect
to the undersigned's holdings of and transactions in securities issued
by the Company, unless earlier superseded or revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to
be executed as of this 4th day of September, 2015.
/s/ Robert S. Messina
