LIMITED POWER OF ATTORNEY

	Know all by these presents, that the

undersigned hereby constitutes and appoints each of Robert D. Fatovic,

Flora R. Perez and David M. Beilin and signing singly, as 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 Ryder System, Inc. (the "Company"), Forms 3,
4, and 5 in
accordance with Section 16(a) of 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, 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 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 1st
day of February, 2006.


					/s/ Tracy A. Leinbach





STATE OF FLORIDA)
COUNTY OF DADE  )

	The
foregoing instrument was
acknowledged before me this 1st day of February,
2006, by Tracy A.
Leinbach, who is personally known to me.



					/s/ Delores Clark

					Notary Public

					My
Commission Expires:  4/24/09