POWER OF ATTORNEY



Know all by these presents, that the undersigned hereby

constitutes and appoints each of Joseph R. Leonti, Kristen L.

Gest, and Kelley B. Standard, or any of them signing singly, and

with full power of substitution, the undersigned's true and

lawful attorney-in-fact to:



(1) prepare, execute in the undersigneds name and on the

Undersigneds behalf, and submit to the U.S. Securities and Exchange

Commission (the SEC) a Form ID, including amendments thereto, and any

other documents necessary or appropriate to obtain codes  and passwords

enabling the undersigned to make electronic filings with the SEC of

reports required by Section 16(a) of the Securities Exchange Act

of 1934 or any rule or regulation of the SEC;



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

undersigned's capacity as an officer and/or director of Parker-

Hannifin Corporation (the Company), Forms 3, 4, and 5 in

accordance with Section 16(a) of the Securities Exchange Act of

1934 and the rules thereunder;



(3) 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, complete and execute any

amendment or amendments thereto, and timely file such form with

the SEC and any stock exchange or similar authority; and



(4) take any other action of any type whatsoever 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 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 with respect to the undersigned's 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 14th day of June, 2017.





/s/ Todd M. Leombruno

Todd M. Leombruno