UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D

                    Under the Securities Exchange Act of 1934



                              United Rentals, Inc.
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                                (Name of Issuer)

                     Common Stock, par value $0.01 per share
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                         (Title of Class of Securities)

                                    911363109
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                                 (CUSIP Number)


  Steven F. Mayer, President                        with a copy to:
  RAM Holdings, Inc.                                Robert G. Minion, Esq.
  c/o Cerberus Capital Management, L.P.             Lowenstein Sandler PC
  299 Park Avenue, 22nd Floor                       1251 Avenue of the Americas
  New York, New York  10171                         18th Floor
  (212) 891-2100                                    New York, New York  10020
                                                    (973) 597-2424
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                  (Name, Address and Telephone Number of Person
                Authorized to Receive Notices and Communications)


                                  July 22, 2007
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             (Date of Event which Requires Filing of this Statement)


If the filing person has previously  filed a statement on Schedule l3G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of Sections 240.13d-1(e),  240.13d-1(f) or 240.13d-1(g),  check
the following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of the schedule, including all exhibits.  See Section 240.13d-7 for other
parties to whom copies are to be sent.

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).





Cusip No.     911363109
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1)   Names of Reporting  Persons.  I.R.S.  Identification  Nos. of above persons
     (entities only):

                RAM Holdings, Inc.

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2)   Check the Appropriate Box if a Member of a Group (See Instructions):

            (a)    [ ]
            (b)    [X]

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3)   SEC Use Only

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4)   Source of Funds (See Instructions):   WC, OO

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5)   Check if Disclosure of Legal Proceedings is Required Pursuant to Items 2(d)
     or 2(e):
                    Not Applicable
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6)   Citizenship or Place of Organization:   Delaware

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     Number of                     7)  Sole Voting Power:                      *
                                       -----------------------------------------
     Shares Beneficially           8)  Shared Voting Power:          24,426,981*
                                       -----------------------------------------
     Owned by
     Each Reporting                9)  Sole Dispositive Power:                 *
                                       -----------------------------------------
     Person With                  10)  Shared Dispositive Power:     24,426,981*
                                       -----------------------------------------
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11)  Aggregate Amount Beneficially Owned by Each Reporting Person:
                    24,426,981*
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12)  Check  if  the  Aggregate  Amount in  Row (11) Excludes Certain Shares (See
     Instructions):
                      Not Applicable
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13)  Percent of Class Represented by Amount in Row (11):      23.9%*

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14)  Type of Reporting Person (See Instructions):  CO

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* Neither  the  filing of this  Schedule  13D nor any of its  contents  shall be
deemed to constitute an admission by RAM Holdings, Inc. or any other person that
it is the beneficial  owner of any of the common stock of United  Rentals,  Inc.
referred to herein for purposes of Section 13(d) of the Securities  Exchange Act
of 1934, as amended, or for any other purpose,  and such beneficial ownership is
expressly disclaimed.





Item 1.   Security and Issuer.
          -------------------

          The class of equity  securities  to which this Schedule 13D relates is
the common stock,  par value $0.01 per share (the "Shares"),  of United Rentals,
Inc., a Delaware corporation (the "Company"). The principal executive offices of
the Company are located at Five Greenwich  Office Park,  Greenwich,  Connecticut
06831.


Item 2.   Identity and Background.
          -----------------------

          The name of the person filing this statement is RAM Holdings,  Inc., a
Delaware  corporation ("RAM"). The address of the principal office of RAM is c/o
Cerberus Capital  Management,  L.P., 299 Park Avenue,  22nd Floor, New York, New
York 10171.

          RAM serves as a holding  company for the securities of RAM Acquisition
Corp. Set forth on Schedule A annexed hereto,  which is  incorporated  herein by
reference,  is the  information  required  by Item 2 of  Schedule  13D for  each
executive  officer and  director of RAM,  each person  controlling  RAM and each
executive officer and director (or other controlling  person) of any corporation
or other  person  ultimately  in  control  of RAM,  in each  case as of the date
hereof.

          During the past five  years,  neither RAM nor to RAM's  knowledge  any
person or entity  named in  Schedule A hereto has been  convicted  in a criminal
proceeding  (excluding traffic violations or similar  misdemeanors).  During the
past five years,  neither RAM nor to RAM's  knowledge any person or entity named
in  Schedule  A  hereto  was a party  to a civil  proceeding  of a  judicial  or
administrative  body of competent  jurisdiction as a result of which such person
or entity was or is  subject  to a  judgment,  decree or final  order  enjoining
future violations of, or prohibiting or mandating activities subject to, federal
or state securities laws or finding any violation with respect to such laws.


Item 3.   Source and Amount of Funds or Other Consideration.
          -------------------------------------------------

          Contemporaneously with the execution and delivery of the Agreement and
Plan of Merger  dated as of July 22,  2007 by and  among  RAM,  RAM  Acquisition
Corp.,  a Delaware  corporation  and a direct  wholly  owned  subsidiary  of RAM
("Merger  Sub"),  and the Company (the  "Merger  Agreement"),  RAM,  Merger Sub,
certain stockholders of the Company (collectively,  the "Stockholders") and, for
limited purposes,  the Company,  entered into the Voting Agreement,  dated as of
July 22, 2007 (the "Voting  Agreement"),  described  in Item 6 of this  Schedule
13D.

          In addition,  contemporaneously with the execution and delivery of the
Merger  Agreement,  RAM,  Merger  Sub,  certain  holders of warrants to purchase
Shares (the "Warrant Holders") and, for limited purposes,  the Company,  entered
into the Warrant  Holders  Agreement,  dated as of July 22,  2007 (the  "Warrant
Holders  Agreement",  and together with the Voting Agreement,  the "Stockholders
Agreements"), described in Item 6 of this Schedule 13D.

          As a result of the terms of the Merger  Agreement and the Stockholders
Agreements, RAM may be deemed to be the beneficial owner of 24,426,981 Shares.





Item 4.   Purpose of Transaction.
          ----------------------

          The  Stockholders  Agreements,  which are  described in Item 6 of this
Schedule 13D, were a condition to the willingness of RAM and Merger Sub to enter
into the Merger Agreement, and were entered into by the parties thereto in order
to ensure that the  Stockholders  and Warrant Holders vote their Shares in favor
of the adoption of the Merger  Agreement in  accordance  with and subject to the
terms set forth in the Stockholders Agreements.

          Pursuant to the Merger Agreement,  among other things,  (i) the Merger
Sub will merge with and into the  Company,  (ii) the Company  shall  continue in
existence  as  the  surviving   corporation   in  the  Merger  (the   "Surviving
Corporation"),  (iii)  the  Surviving  Corporation  will  become a wholly  owned
subsidiary of RAM,  (iv) each Share will be converted  into the right to receive
$34.50 in cash, without interest,  subject to certain exceptions as set forth in
the Merger Agreement,  (v) each share of Series C Preferred Stock of the Company
("Series C Stock") will be converted into the right to receive an amount in cash
equal to the sum of (x) $1,000 (the "Liquidation Preference") plus (y) an amount
equal to 6.25% per annum of the Liquidation Preference, compounded annually from
January 7, 1999 to and  including  the  Closing  Date (as  defined in the Merger
Agreement) plus (z) all accrued and unpaid dividends,  if any, thereon as of the
Closing  Date,  (vi)  each  share of  Series D  Preferred  Stock of the  Company
("Series D Stock") will be converted into the right to receive an amount in cash
equal to the sum of (x) the  Liquidation  Preference plus (y) an amount equal to
6.25%  per  annum  of  the  Liquidation  Preference,  compounded  annually  from
September  30, 1999 to and  including  the Closing Date plus (z) all accrued and
unpaid dividends, if any, thereon as of the Closing Date, (vii) the directors of
the  Surviving  Corporation  shall  be the  existing  directors  of  Merger  Sub
immediately  prior to the Effective  Time (as defined in the Merger  Agreement),
(viii) the officers of the  Surviving  Corporation  shall be the officers of the
Company  immediately  prior  to the  Effective  Time,  (ix) the  Certificate  of
Incorporation  of the Company as in effect  immediately  prior to the  Effective
Time shall be amended in its entirety as provided  for in the Merger  Agreement,
and as so amended shall be the  Certificate  of  Incorporation  of the Surviving
Corporation  until  further  amended and (x) the by-laws of the Company shall be
amended in their  entirety as provided  for in the Merger  Agreement,  and as so
amended shall be the by-laws of the Surviving Corporation until further amended,
in each  case  as more  particularly  set  forth  and  described  in the  Merger
Agreement incorporated by reference to Exhibit 1 hereto.


Item 5.   Interest in Securities of the Issuer.
          ------------------------------------

          Based upon information set forth in the Company's  Quarterly Report on
Form 10-Q as filed with the Securities  and Exchange  Commission on May 2, 2007,
there were  81,663,125  Shares issued and outstanding as of April 24, 2007. As a
result of the provisions set forth in the  Stockholders  Agreements with respect
to the 24,426,981  Shares which are the subject of the Stockholders  Agreements,
RAM  may be  deemed  to  have  certain  shared  power  to vote  and  direct  the
disposition  of such  24,426,981  Shares.  Thus,  as of July 22,  2007,  for the
purposes  of Reg.  Section  240.13d-3,  RAM may be  deemed to  beneficially  own
24,426,981  Shares,  or 23.9% of the Shares deemed issued and  outstanding as of
that date.





          Neither the filing of this Schedule 13D nor any of its contents  shall
be deemed to  constitute  an admission by RAM or any other person that it is the
beneficial owner of any of the Shares referred to herein for purposes of Section
13(d) of the  Securities  Exchange  Act of 1934,  as  amended,  or for any other
purpose, and such beneficial ownership is expressly disclaimed.

          No other Shares are owned,  beneficially or otherwise,  by the persons
or entities listed on Schedule A annexed hereto.

          Other than the transactions described in this Schedule 13D, during the
sixty (60) days on or prior to July 22, 2007,  neither RAM nor to the  knowledge
of RAM any person or entity  named on  Schedule A annexed  hereto  effected  any
transactions  in Shares,  or securities  convertible  into,  exercisable  for or
exchangeable for Shares.


Item 6.   Contracts, Arrangements,  Understandings or Relationships With Respect
          to Securities of the Issuer.
          ----------------------------------------------------------------------

          Pursuant to the Voting Agreement,  among other things, RAM, Merger Sub
and the Stockholders  agreed to the terms pursuant to which (i) the Stockholders
shall not,  directly or  indirectly,  grant any proxy or power of attorney  with
respect to the Shares subject to the Voting Agreement, deposit any of the Shares
subject  to the  Voting  Agreement  into a voting  trust or enter  into a voting
agreement  or  arrangement  with  respect  to the  Shares  subject to the Voting
Agreement in violation of the Voting Agreement,  (ii) the Stockholders shall not
sell, assign,  transfer,  pledge,  encumber or otherwise dispose of their Shares
without  the prior  written  consent of RAM,  except that the  Stockholders  may
convert  their  shares of Series C Stock and Series D Stock into  Shares,  (iii)
each  Stockholder  shall vote or consent (or cause to be voted or consented) all
of the Shares  subject to the Voting  Agreement  (x) in favor of the adoption of
the Merger  Agreement  and the  approval of other  actions  contemplated  by the
Merger   Agreement  and  the  Voting  Agreement  and  any  actions  required  in
furtherance  thereof,  and (y) in  opposition  of any  Acquisition  Proposal (as
defined in the Merger Agreement) and (iv) each Stockholder  irrevocably  granted
and  appointed  certain  officers  of  RAM  as  such  Stockholder's   proxy  and
attorney-in-fact  to vote or cause to be voted the Shares  subject to the Voting
Agreement in favor of the  adoption of the Merger  Agreement  and in  accordance
with the voting requirements set forth in the Voting Agreement,  in each case as
more  particularly set forth and described in the Voting Agreement  incorporated
by reference to Exhibit 2 hereto.

          Pursuant to the Warrant Holders  Agreement,  among other things,  RAM,
Merger Sub and the  Warrant  Holders  agreed to the terms  pursuant to which (i)
each Warrant  Holder  shall vote or consent (or cause to be voted or  consented)
all of the Shares subject to the Warrant  Holders  Agreement (x) in favor of the
adoption of the Merger Agreement and the approval of other actions  contemplated
by the Merger  Agreement  and the  Warrant  Holders  Agreement  and any  actions
required in furtherance  thereof, and (y) in opposition of any other Acquisition
Proposal and (ii) each Warrant Holder irrevocably  granted and appointed certain
officers of RAM as such Warrant Holder's proxy and  attorney-in-fact  to vote or
cause to be voted the Shares subject to the Warrant  Holders  Agreement in favor
of the  adoption  of the  Merger  Agreement  and in  accordance  with the voting
requirements  set forth in the Warrant Holders  Agreement,  in each case as more
particularly   set  forth  and  described  in  the  Warrant  Holders   Agreement
incorporated by reference to Exhibit 3 hereto.





          The  descriptions of the transactions and agreements set forth in this
Schedule  13D are  qualified  in their  entirety by  reference  to the  complete
agreements governing such matters, each of which is incorporated by reference to
this Schedule 13D as an exhibit pursuant to Item 7 hereof.

          Except as otherwise  described  herein, to the knowledge of RAM, there
are no  contracts,  arrangements,  understandings  or  relationships  (legal  or
otherwise)  among the persons  named in Item 2 or Schedule A annexed  hereto and
between  such  persons  and any person  with  respect to any  securities  of the
Company.


Item 7.   Material to be Filed as Exhibits.
          --------------------------------

          1.  Agreement and  Plan of Merger  dated  as of  July 22, 2007 by  and
among RAM Holdings, Inc., RAM Acquisition Corp. and the Company, incorporated by
reference to Exhibit 2.1 to the Company's  Current  Report on Form 8-K, as filed
by the Company with the Securities and Exchange Commission on July 24, 2007.

          2.  Voting  Agreement  dated  as of July  22,  2007 by and  among  RAM
Holdings,  Inc.,  RAM  Acquisition  Corp.,  each of the  entities  set  forth on
Schedule A thereto  and, for limited  purposes,  the  Company,  incorporated  by
reference to Exhibit 99.1 to the Company's  Current Report on Form 8-K, as filed
by the Company with the Securities and Exchange Commission on July 24, 2007.

          3.  Warrant Holders  Agreement  dated as of July 22, 2007 by and among
RAM  Holdings,  Inc.,  RAM  Acquisition  Corp.,  certain  holders of warrants to
purchase  common stock of the Company that are parties  thereto and, for limited
purposes,  the  Company,  incorporated  by  reference  to  Exhibit  99.2  to the
Company's  Current  Report  on Form  8-K,  as  filed  by the  Company  with  the
Securities and Exchange Commission on July 24, 2007.









                                    Signature
                                    ---------

          After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information  set forth in this statement is true,  complete and
correct.


                                              August 1, 2007


                                              RAM HOLDINGS, INC.


                                              By:    /s/ Steven F. Mayer
                                                 -------------------------------
                                              Name:  Steven F. Mayer
                                              Title: President



      ATTENTION: INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACT CONSTITUTE
               FEDERAL CRIMINAL VIOLATIONS (SEE 18 U.S.C. 1001).






                                                                      SCHEDULE A



          1.  Executive Officers.  The executive officers of RAM Holdings,  Inc.
("RAM")  are  Steven F.  Mayer and Lisa  Gray.  Steven  F.  Mayer  serves as the
President of RAM.  Lisa Gray serves as the  Secretary and Treasurer of RAM. Each
of Steven  F.  Mayer and Lisa Gray is a  citizen  of the  United  States  with a
business address at Cerberus  Capital  Management,  L.P., 299 Park Avenue,  22nd
Floor,  New York, New York 10171. In addition,  Mr. Mayer serves as the Managing
Director of Cerberus California, Inc. and Ms. Gray serves as the General Counsel
of Cerberus  Operations and Advisory  Company,  LLC. The principal  business and
address of RAM are stated in Item 2 of this Schedule 13D.

          2.  Directors. The directors of RAM are Steven F. Mayer and Lisa Gray.
The  business  address and  principal  occupation  of Mr. Mayer and Ms. Gray are
stated in Item 1 of this Schedule A.

          3.  Controlling Persons. RAM Holdings Company, LLC, a Delaware limited
liability company,  is the sole shareholder of RAM. Cerberus  Partners,  L.P., a
Delaware limited partnership,  is the sole member of RAM Holdings Company,  LLC.
Cerberus  Associates,  L.L.C.,  a Delaware  limited  liability  company,  is the
general partner of Cerberus  Partners,  L.P. Stephen Feinberg,  a citizen of the
United States, is the managing member of Cerberus Associates,  L.L.C.  (Cerberus
Associates,  L.L.C.,  and together with Cerberus  Partners,  L.P., the "Cerberus
Entities").  Stephen Feinberg possesses the sole power to vote and to direct the
disposition  of all  securities  of RAM held by RAM Holdings  Company,  LLC. The
business  address of the Cerberus  Entities and Mr. Feinberg is 299 Park Avenue,
22nd  Floor,  New York,  New York  10171.  The  business  address of RAM and RAM
Holdings Company, LLC is c/o Cerberus Capital Management, L.P., 299 Park Avenue,
22nd Floor,  New York,  New York 10171.  RAM  Holdings  Company,  LLC's  primary
business  is to  serve as a  holding  company  for the  securities  of RAM.  The
Cerberus  Entities  are engaged in the  investment  in personal  property of all
kinds,  including  but  not  limited  to  capital  stock,  depository  receipts,
investment  companies,  mutual funds,  subscriptions,  warrants,  bonds,  notes,
debentures,  options  and other  securities  of whatever  kind and  nature.  Mr.
Feinberg  also provides  investment  management  and other  services for various
other third parties.