POWER OF ATTORNEY



Know all by these presents, that the undersigned, Michael K. Rohrkaste,

hereby constitutes and appoints each of Robert G. Bohn, Charles L. Szews,

Bryan J. Blankfield and David M. Sagehorn, signing singly, the undersigneds

true and lawful attorney in fact to:



(1) execute for and on behalf of the undersigned, in the undersigneds

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 facts 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 facts 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 undersigneds responsibilities to comply with Section 16 or any

other provision of the Securities Exchange Act of 1934.



This Power of Attorney 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 undersigneds holdings of and transactions in

securities issued by the Company, unless earlier 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 7th day of January, 2010.





/s/ Michael K. Rohrkaste