<DOCUMENT>
<TYPE>EX-4
<SEQUENCE>5
<FILENAME>ex4-15.txt
<DESCRIPTION>EXHIBIT 4-15 FIRST SUPP. INDENTURE
<TEXT>







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                                TEREX CORPORATION

                                  $300,000,000

                   10-3/8% Senior Subordinated Notes due 2011

                        ---------------------------------

                          FIRST SUPPLEMENTAL INDENTURE

                           Dated as of October 1, 2001

                        --------------------------------

                    UNITED STATES TRUST COMPANY OF NEW YORK,

                                     Trustee



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<PAGE>
                          FIRST SUPPLEMENTAL INDENTURE


          FIRST  SUPPLEMENTAL  INDENTURE,  dated as of October 1, 2001,  between
TEREX  CORPORATION,  a Delaware  corporation (the "Company"),  and UNITED STATES
TRUST COMPANY OF NEW YORK, a New York corporation, as trustee (the "Trustee").

          WHEREAS,  the Company,  and Terex Cranes, Inc., Koehring Cranes, Inc.,
PPM Cranes,  Inc., Payhauler Corp.,  Terex-Telelect  Inc., Terex Aerials,  Inc.,
Terex-Ro  Corporation,  Terex Mining  Equipment,  Inc.  and The  American  Crane
Corporation,  as guarantors (collectively,  the "Original Guarantors"),  and the
Trustee are parties to an  Indenture,  dated as of March 29, 2001, as amended by
First Supplemental Indenture dated as of October 1, 2001 (said Indenture,  as it
may  heretofore  or  hereafter  from time to time be amended,  the  "Indenture")
providing for the issuance of the Company's  10-3/8% Senior  Subordinated  Notes
due 2011 (the "Notes");

          WHEREAS, the Company has acquired all of the outstanding capital stock
of CMI Corporation ("CMI");

          WHEREAS,  pursuant  to the terms of the  Indenture,  CMI has  become a
Restricted  Subsidiary  organized  under the laws of the United  States  and, as
such, the Company is required to cause CMI to execute and deliver a supplemental
indenture and the Subsidiary Guarantee endorsed on the Notes; and

          WHEREAS, the Company, the Subsidiary Guarantors and the
Trustee desire to amend the Indenture to add CMI as a Subsidiary Guarantor under
the Indenture.

          NOW, THEREFORE,  the Company, the Subsidiary  Guarantors,  CMI and the
Trustee agree as follows for the equal and ratable benefit of the Holders of the
Notes.

                                    ARTICLE 1

                           AMENDMENT TO THE INDENTURE

          Section 1.01. CMI shall hereby become a Subsidiary Guarantor under the
Indenture  effective as of the date hereof, and as such shall be entitled to all
the benefits and be subject to all the  obligations,  of a Subsidiary  Guarantor
thereunder.  CMI  agrees to be bound by all those  provisions  of the  Indenture
binding upon a Subsidiary Guarantor.

                                    ARTICLE 2

                                  MISCELLANEOUS

          Section 2.01. The supplement to the Indenture effected hereby shall be
binding upon all Holders of the Notes, their transferees and assigns.  All Notes
issued and  outstanding  on the date hereof  shall be deemed to  incorporate  by
reference or include the supplement to the Indenture effected hereby.

          Section  2.02.  All terms  used in this First  Supplemental  Indenture
which are defined in the  Indenture  shall have the  meanings  specified  in the
Indenture,  unless the context of this First  Supplemental  Indenture  otherwise
requires.

          Section 2.03. This First Supplemental Indenture shall become a binding
agreement between the parties when counterparts  hereof shall have been executed
and delivered by each of the parties hereto.

          Section 2.04.  This First  Supplemental  Indenture shall be construed,
interpreted and the rights of the parties determined in accordance with the laws
of the State of New York, as applied to contracts made and performed  within the
State of New York, without regard to principles of conflicts of law.

          Section  2.05.  This First  Supplemental  Indenture may be executed in
several counterparts,  each of which shall be an original and all of which shall
constitute but one and the same amendment.

          Section  2.06.  The  recitals  contained  in this  First  Supplemental
Indenture  are  made  by the  Company  and  not by the  Trustee  and  all of the
provisions  contained in the  Indenture,  in respect of the rights,  privileges,
immunities,  powers and duties of the  Trustee  shall be  applicable  in respect
thereof as fully and with like effect as if set forth herein in full.

          IN  WITNESS  WHEREOF,  the  parties  hereto  have  caused  this  First
Supplemental Indenture to be duly executed as of the date first above written.


                                          TEREX CORPORATION



                                        By:___________________________
                                         Name:  Joseph F. Apuzzo
ATTEST:                                  Title: Vice President-Corporate Finance

--------------------
Eric I Cohen, Secretary



                                       UNITED STATES TRUST COMPANY
                                         OF NEW YORK, as Trustee


                                       By_________________________
                                           Name:
ATTEST:                                 Title:

---------------------


<PAGE>


                (Signature Page to First Supplemental Indenture)




                                                    SUBSIDIARY GUARANTORS:


                                               KOEHRING CRANES, INC.


                                               By:___________________________
                                               Name: Eric I Cohen
                                               Title: Vice President


                                               PAYHAULER CORP.


                                               By:___________________________
                                               Name: Eric I Cohen
                                               Title: Vice President


                                               PPM CRANES, INC.


                                               By:___________________________
                                               Name: Eric I Cohen
                                               Title: Vice President


                                               TEREX CRANES, INC.


                                               By:___________________________
                                               Name: Eric I Cohen
                                               Title: Vice President


                                               TEREX MINING EQUIPMENT, INC.


                                               By:___________________________
                                               Name: Eric I Cohen
                                               Title: Vice President





<PAGE>


                (Signature Page to First Supplemental Indenture)




                                              TEREX-RO CORPORATION


                                              By:___________________________
                                              Name: Eric I Cohen
                                              Title: Vice President


                                              TEREX-TELELECT, INC.


                                              By:___________________________
                                              Name: Eric I Cohen
                                              Title: Vice President


                                              THE AMERICAN CRANE CORPORATION


                                              By:___________________________
                                              Name: Eric I Cohen
                                              Title: Vice President


                                              O&K ORENSTEIN & KOPPEL, INC.


                                              By:___________________________
                                              Name: Eric I Cohen
                                              Title: Vice President


                                              AMIDA INDUSTRIES, INC.


                                              By:___________________________
                                              Name: Eric I Cohen
                                              Title: Vice President




<PAGE>


                (Signature Page to First Supplemental Indenture)



                                            CEDARAPIDS, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            STANDARD HAVENS, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            STANDARD HAVENS PRODUCTS, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            BL-PEGSON (USA), INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            BENFORD AMERICA, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President




<PAGE>


                (Signature Page to First Supplemental Indenture)



                                            COLEMAN ENGINEERING, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            EARTHKING, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Secretary


                                            FINLAY HYDRASCREEN USA, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            POWERSCREEN HOLDINGS USA, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            POWERSCREEN INTERNATIONAL LLC


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President




<PAGE>


                (Signature Page to First Supplemental Indenture)



                                            POWERSCREEN NORTH AMERICA, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            POWERSCREEN USA, LLC


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            ROYER INDUSTRIES, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            TEREX BARTELL, INC.


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President


                                            CMI CORPORATION


                                            By:___________________________
                                            Name: Eric I Cohen
                                            Title: Vice President





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