Document:

EXHIBIT 10.16(a)
                                                     FORM 10-K
                                  YEAR ENDED DECEMBER 31, 2002

                              AMENDMENT NO. 1

                                    TO

                        LOAN AND SECURITY AGREEMENT

     THIS AMENDMENT NO. 1 (this "Amendment") is entered into as of
December 31, 2002, by and among BUCYRUS INTERNATIONAL, INC., a corporation
organized under the laws of the State of Delaware ("Bucyrus"), MINSERCO, INC.,
a corporation organized under the laws of the State of Delaware ("Minserco")
and BOONVILLE MINING SERVICES, INC., a corporation organized under the laws of
the State of Delaware ("Boonville"), (Bucyrus, Minserco and Boonville, each a
"Borrower" and collectively, the "Borrowers"), BUCYRUS CANADA LIMITED, a
corporation organized under the laws of the Province of Ontario ("Bucyrus
Canada"), BUCYRUS HOLDINGS, LLC, a limited liability company organized under
the laws of the State of Delaware ("Holdings"), (Holdings and, Bucyrus Canada,
each a "Guarantor" and collectively, the "Guarantors"), the financial
institutions which are now or which hereafter become a party hereto (each a
"Lender" and collectively, the "Lenders"), GMAC BUSINESS CREDIT, LLC, a
limited liability company organized under the laws of the State of Delaware
("GMACBC"), as agent for Lenders (GMACBC, in such capacity, the "Agent") and
BANK ONE, WISCONSIN ("BOW"), as syndication agent for Lenders (BOW, in such
capacity, the "Syndication Agent").

                                BACKGROUND

     Borrowers, Guarantors, Agent, Syndication Agent and Lenders are parties
to a Loan and Security Agreement dated as of March 7, 2002 (as amended,
restated, supplemented or otherwise modified from time to time, the "Loan
Agreement") pursuant to which Agent and Lenders provide Borrowers with certain
financial accommodations.

     Borrowers have requested Agent and Lenders to extend the Original Term
of the Loan Agreement from January 2, 2003 to February 4, 2003, and Agent and
Lenders are willing to do so on the terms and conditions hereafter set forth.

     NOW, THEREFORE,in consideration of any loan or advance or grant of
credit heretofore or hereafter made to or for the account of Borrowers by
Agent and Lenders, and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties hereto hereby
agree as follows:

     1.   Definitions.  All capitalized terms not otherwise defined herein
shall have the meanings given to them in the Loan Agreement.

     2.   Amendment to Loan Agreement.  Subject to satisfaction of the
condition precedent set forth in Section 3 below, Section 13.1 of the Loan
Agreement is hereby amended by deleting the date "January 2, 2003" appearing
therein and by inserting the date "February 4, 2003" in lieu thereof.

     3.   Condition of Effectiveness.  This Amendment shall become effective
upon Agent's receipt of four (4) copies of this Amendment, executed by all
Borrowers, Guarantors and Lenders.

     4.   Representations and Warranties.  Each Borrower hereby represents
and warrants as follows:

          (a)  This Amendment and the Loan Agreement, as amended hereby,
constitute legal, valid and binding obligations of each Borrower and are
enforceable against each Borrower in accordance with their respective terms.

          (b)  Upon the effectiveness of this Amendment, each Borrower
hereby reaffirms all covenants, representations and warranties made in the
Loan Agreement to the extent the same are not amended hereby, and agrees that
all such covenants, representations and warranties shall be deemed to have
been remade as of the effective date of this Amendment.

          (c)  No Event of Default or Default has occurred and is
continuing or would exist after giving effect to this Amendment.

          (d)  No Borrower has any defense, counterclaim or offset with
respect to the Loan Agreement.

     5.   Effect on the Loan Agreement.

          (a)  Upon the effectiveness of Section 2 hereof, each reference
in the Loan Agreement to "this Agreement," "hereunder," "hereof," "herein" or
words of like import shall mean and be a reference to the Loan Agreement as
amended hereby.

          (b)  Except as specifically amended herein, the Loan Agreement,
and all other documents, instruments and agreements executed and/or delivered
in connection therewith, shall remain in full force and effect, and are hereby
ratified and confirmed.

          (c)  The execution, delivery and effectiveness of this Amendment
shall not operate as a waiver of any right, power or remedy of Agent or
Lenders, nor constitute a waiver of any provision of the Loan Agreement, or
any other documents, instruments or agreements executed and/or delivered under
or in connection therewith.

     6.   Governing Law.  This Amendment shall be binding upon and inure to
the benefit of the parties hereto and their respective successors and assigns
and shall be governed by and construed in accordance with the laws of the
State of New York.

     7.   Headings.  Section headings in this Amendment are included herein
for convenience of reference only and shall not constitute a part of this
Amendment for any other purpose.

     8.   Counterparts; Facsimile.  This Amendment may be executed by the
parties hereto in one or more counterparts, each of which shall be deemed an
original and all of which when taken together shall constitute one and the
same agreement.  Any signature delivered by a party by facsimile transmission
shall be deemed to be an original signature hereto.

     IN WITNESS WHEREOF, this Amendment has been duly executed as of the day
and year first written above.

                              BUCYRUS INTERNATIONAL, INC.

                              By:  /s/T. W. Sullivan
                              Name:  Timothy W. Sullivan
                              Title:  President

                              MINSERCO, INC.

                              By:  /s/T. W. Sullivan
                              Name:  Timothy W. Sullivan
                              Title:  President

                              BOONVILLE MINING SERVICES, INC.

                              By:  /s/T. W. Sullivan
                              Name:  Timothy W. Sullivan
                              Title:  President

                              BUCYRUS CANADA LIMITED
                              (as Guarantor)

                              By:  /s/T. W. Sullivan
                              Name:  Timothy W. Sullivan
                              Title:  President

                              BUCYRUS HOLDINGS, LLC
                              (as Guarantor)

                              By:  /s/T. C. Rogers
                              Name:  T. C. Rogers
                              Title:  Director

                              GMAC BUSINESS CREDIT, LLC, as a Lender
                              and as Agent

                              By:  /s/Frank A. Chiovari
                              Name:  Frank A. Chiovari
                              Title:  Director
                              Commitment Percentage:  29.4118%

                              BANK ONE, WISCONSIN

                              By:  /s/Mark P. Bruss
                              Name:  Mark P. Bruss
                              Title:  First Vice President
                              Commitment Percentage:  23.5294%

                              THE BANK OF NOVA SCOTIA

                              By:  /s/Mark Sparrow
                              Name:  Mark Sparrow
                              Title:  Director
                              Commitment Percentage:  14.6541%

                              MARINE BANK

                              By:  /s/William E. Shaw
                              Name:  William E. Shaw
                              Title:  Senior Vice President
                              Commitment Percentage:  11.7647%

                              FLEET CAPITAL CORPORATION

                              By:  /s/Brian Conole
                              Name:  Brian Conole
                              Title:  Sr. Vice President
                              Commitment Percentage:  6.8800%

                              LASALLE BANK NATIONAL ASSOCIATION

                              By: /s/D. Marinovic
                              Name:  Dusko Marinovic
                              Title:  Assistant Vice President
                              Commitment Percentage:  6.8800%

                              BANK OF SCOTLAND

                              By:  /s/Joseph Fratus
                              Name:  Joseph Fratus
                              Title:  First Vice President
                              Commitment Percentage:  6.8800%EXHIBIT 10.16(b)
                                                     FORM 10-K
                                  YEAR ENDED DECEMBER 31, 2002

                              AMENDMENT NO. 2

                                    TO

                        LOAN AND SECURITY AGREEMENT

     THIS AMENDMENT NO. 2 (this "Amendment") is entered into as of January 9,
2003, by and among BUCYRUS INTERNATIONAL, INC., a corporation organized under
the laws of the State of Delaware ("Bucyrus"), MINSERCO, INC., a corporation
organized under the laws of the State of Delaware ("Minserco") and BOONVILLE
MINING SERVICES, INC., a corporation organized under the laws of the State of
Delaware ("Boonville"), (Bucyrus, Minserco and Boonville, each a "Borrower"
and collectively, the "Borrowers"), BUCYRUS CANADA LIMITED, a corporation
organized under the laws of the Province of Ontario ("Bucyrus Canada"),
BUCYRUS HOLDINGS, LLC, a limited liability company organized under the laws of
the State of Delaware ("Holdings"), (Holdings and, Bucyrus Canada, each a
"Guarantor" and collectively, the "Guarantors"), the financial institutions
which are now or which hereafter become a party hereto (each a "Lender" and
collectively, the "Lenders"), GMAC BUSINESS CREDIT, LLC, a limited liability
company organized under the laws of the State of Delaware ("GMACBC"), as agent
for Lenders (GMACBC, in such capacity, the "Agent") and BANK ONE, WISCONSIN
("BOW"), as syndication agent for Lenders (BOW, in such capacity, the
"Syndication Agent").

                                BACKGROUND

     Borrowers, Guarantors, Agent, Syndication Agent and Lenders are parties
to a Loan and Security Agreement dated as of March 7, 2002 (as amended by
Amendment No. 1 to Loan and Security Agreement dated as of December 31, 2002
and as hereafter amended, restated, supplemented or otherwise modified from
time to time, the "Loan Agreement") pursuant to which Agent and Lenders
provide Borrowers with certain financial accommodations.

     Borrowers have requested Agent and Lenders (a) to extend the Original
Term of the Loan Agreement from February 4, 2003 to January 8, 2005, and (b)
restate the financial covenants, and Agent and Lenders are willing to do so on
the terms and conditions hereafter set forth.

     NOW, THEREFORE, in consideration of any loan or advance or grant of
credit heretofore or hereafter made to or for the account of Borrowers by
Agent and Lenders, and for other good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, the parties hereto hereby
agree as follows:

     1.   Definitions.  All capitalized terms not otherwise defined herein
shall have the meanings given to them in the Loan Agreement.

     2.   Amendment to Loan Agreement.  Subject to satisfaction of the
conditions precedent set forth in Section 3 below, the Loan Agreement is
amended as follows:

          (a)  Section 1.2 of the Loan Agreement is amended by inserting
the following defined terms in their appropriate alphabetical order:

               "Amendment 2" shall mean Amendment No. 2 to this Agreement
               dated as of January 9, 2003.

               "Amendment 2 Closing Date" shall mean the date upon which
               all of the conditions precedent to the effectiveness to
               Amendment 2 have been satisfied.

               "Excess Cash Flow" of Loan Parties on a Consolidated Basis
               for any fiscal period shall mean (a) EBITDA for such period
               minus (b) the sum of (i) reductions to the Supplemental
               Amount (other than the reductions pursuant to Section
               2.13(b)), (ii) Senior Debt Payments, (iii) federal, state,
               provincial and local taxes paid in cash, (iv) principal
               payments made by Foreign Subsidiaries to third parties which
               are not Affiliates or Subsidiaries of any Loan Party with
               respect to Indebtedness for Money Borrowed and (v) non-
               financed Capital Expenditures (which shall include any
               Capital Expenditures to the extent financed by utilization
               of Advances).

          (b)  The following defined terms in Section 1.2 are amended in
their entirety to provide as follows:

               "Fee Letter" shall mean, severally and collectively, (a) the
               fee letter dated the Closing Date between Loan Parties and
               GMACBC in connection with this Agreement, as amended and
               restated on the Amendment 2 Closing Date, and (b) each fee
               letter dated the Amendment 2 Closing Date between Loan
               Parties and each of the other Lenders then party to this
               Agreement.

               "Maximum Revolving Advance Amount" shall mean the greater of
               (a) $76,000,000 (inclusive of outstanding Swingline Loans),
               minus a sum equal to (i) all scheduled reductions in the
               Supplemental Amount after September 30, 2003, plus (ii) all
               reductions in the Supplemental Amount pursuant to
               Section 2.13 hereof, and (b) $65,000,000.

               "Senior Debt Payments" shall mean and include all cash
               actually expended by Loan Parties on a Consolidated Basis to
               make (a) interest payments on any Advances hereunder, plus,
               (b) the payments for all fees, commissions and charges set
               forth herein and with respect to any Advances to the extent
               not otherwise deducted in the calculation of net income (or
               loss), plus (c) Capital Lease payments, plus (d) payments
               with respect to any other Indebtedness for Money Borrowed,
               including, without limitation (x) the Senior Unsecured Debt
               and (y) interest and accrued fees on Indebtedness of Bucyrus
               Canada and Foreign Subsidiaries.

               "Supplemental Amount" shall mean, as of the Amendment 2
               Closing Date, $15,500,000; provided, however, that the
               Supplemental Amount shall be permanently reduced (but to an
               amount not less than $0) (a) by $1,500,000 on the last day
               of each calendar quarter commencing March 31, 2003 and (b)
               as required pursuant to Section 2.13 hereof."

          (c)  The last sentence of Section 2.1(a) of the Loan Agreement is
amended and restated as follows:

               "The Revolving Advances shall be evidenced by one or more
               secured promissory notes (as amended, modified, or amended
               and restated from time to time, individually and
               collectively, the "Revolving Credit Note") initially,
               substantially in the form attached hereto as Exhibit 2.1(a),
               as of the Amendment 2 Closing Date, substantially in the
               form attached to Amendment 2 as Exhibit 2.1(a) thereto, and
               thereafter as amended, modified or amended and restated from
               time to time."

          (d)  Section 2.13 of the Loan Agreement is amended by adding a
subsection designation "(a)" immediately after the section numeric designation
"2.13" and by adding the following subsection "(b)" at the end thereof:

                         "(b) Borrowers shall reduce the Supplemental
               Amount in an amount equal to 50% of Excess Cash Flow for
               each fiscal year commencing on or after January 1, 2003, in
               each case payable upon delivery of the financial statements
               to Agent referred to in and required by Section 9.7 for the
               fiscal year then ended but in any event not later than the
               date upon which such financial statements are required to be
               delivered pursuant to Section 9.7, which amount shall be
               applied to permanently reduce the Supplemental Amount (in
               addition to the scheduled quarterly reductions of the
               Supplemental Amount).  In the event that the financial
               statements are not so delivered, then a calculation based
               upon estimated amounts shall be made by Agent upon which
               calculation the reduction required by this Section 2.13(b)
               shall occur, subject to adjustment when the financial
               statements are delivered to Agent as required hereby.  The
               calculation made by Agent shall not be deemed a waiver of
               any rights Agent or Lenders may have as a result of the
               failure by Loan Parties to deliver such financial
               statements."

          (e)  Section 3.4 of the Loan Agreement is hereby amended and
restated in its entirety as follows:

               "3.4.   Fees.  Borrowers shall pay to Agent and each of the
               Lenders, for their own respective accounts, all fees and
               other amounts set forth in each Fee Letter, when and as due
               in accordance with the terms thereof, respectively."

          (f)  Section 5.8(d) of the Loan Agreement is hereby amended by
deleting the reference to "Schedule 5.8(d)" in the second sentence of such
Section 5.8(d) and by substituting therefor a reference to "Schedule
5.8(d)-1".

          (g)  Section 6.8 of the Loan Agreement is hereby amended and
restated in its entirety as follows:

                         (a)  EBITDA.  Maintain EBITDA for the Loan
               Parties on a Consolidated Basis as of the end of each fiscal
               quarter set forth below for the respective fiscal periods
               set forth below ending on the last day of such fiscal
               quarter in an amount not less than the amount set forth
               below:

               Four Fiscal Quarters Ending
               With Fiscal Quarter Ending         Minimum EBITDA

               December 31, 2002                  $24,000,000

               March 31, 2003                     $24,000,000

               June 30, 2003                      $24,000,000

               September 30, 2003                 $24,000,000

               December 31, 2003                  $25,000,000

               March 31, 2004                     $25,000,000

               June 30, 2004                      $26,000,000

               September 30, 2004                 $26,500,000

               December 31, 2004                  $26,500,000

                         (b)  Leverage Ratio.  Maintain a Leverage Ratio
               for the Loan Parties on a Consolidated Basis as of the end
               of each fiscal quarter set forth below for the respective
               periods set forth below of not greater than the ratios set
               forth below:

               Four Fiscal Quarters Ending
               with Fiscal Quarter Ending    Leverage Ratio

               December 31, 2002             5.75:1.0

               March 31, 2003                5.75:1.0

               June 30, 2003                 5.75:1.0

               September 30, 2003            5.50:1.0

               December 31, 2003             5.25:1.0

               March 31, 2004                5.00:1.0

               June 30, 2004                 5.00:1.0

               September 30, 2004            4.75:1.0

               December 31, 2004             4.75:1.0

                         (c)  Fixed Charge Coverage Ratio.  Maintain a
               Fixed Charge Coverage Ratio for the Loan Parties on a
               Consolidated Basis as of the end of each fiscal quarter set
               forth below for the respective periods set forth below of
               not less than the ratios set forth below:

               Four Fiscal Quarters Ending
               with Fiscal Quarter Ending    Fixed Charge Coverage Ratio

               December 31, 2002             1.05:1.0

               March 31, 2003                1.05:1.0

               June 30, 2003                 1.05:1.0

               September 30, 2003            1.05:1.0

               December 31, 2003             1.05:1.0

               March 31, 2004                1.05:1.0

               June 30, 2004                 1.05:1.0

               September 30, 2004            1.10:1.0

               December 31, 2004             1.10:1.0

          (h)  Section 7.6 of the Loan Agreement is amended and restated in
its entirety as follows:

               7.6 Capital Expenditures.  Contract for, purchase or make
               any Capital Expenditures as of the end of each fiscal
               quarter set forth below for the respective fiscal periods
               set forth below ending on the last day of such fiscal
               quarter in an aggregate amount in excess of the amounts set
               forth below:

               Four Fiscal Quarters Ending
               With Fiscal Quarter Ending         Capital Expenditure

               December 31, 2002                  $4,800,000

               December 31, 2003                  $4,800,000

               December 31, 2004                  $4,800,000

          (i)  Section 13.1 of the Loan Agreement is amended by deleting
"February 4, 2003" and inserting "January 8, 2005" in its place and stead.

          (j)  Schedule 5.8(d)-1 to this Amendment is hereby added as
Schedule 5.8(d)-1 to the Loan Agreement.

     3.   Conditions of Effectiveness.  This Amendment shall become
effective upon satisfaction of the following conditions precedent, each of
which shall be in form and substance reasonably satisfactory to Agent and its
counsel:

          (a)  Agent shall have received six (6) copies of this Amendment
duly executed by Borrowers, Guarantors and Lenders;

          (b)  Agent and each Lender shall have received its respective Fee
Letter, duly executed by Borrowers and Guarantors, and all payments thereunder
due on the Amendment 2 Closing Date shall have been made;

          (c)  Borrowers shall have executed and delivered to Agent for the
benefit of each of the Lenders an Amended and Restated Revolving Credit Note
in the form annexed hereto as Exhibit 2.1(a), each properly completed with
respect to the applicable amount and payee of each Lender;

          (d)  Borrowers and Guarantors shall have executed and delivered
to Agent a letter containing, inter alia, Borrowers' and Guarantors' agreement
to hereafter effectuate pricing or structural changes to the Agreement if
Agent determines that such changes are reasonably required in order to ensure
the successful further syndication of the credit facility established under
the Agreement on terms that are acceptable to Agent; and

          (e)  Agent shall have received such other certificates,
instruments, documents, agreements and opinions of counsel as may be required
by Agent or its counsel relating to the transactions contemplated in this
Amendment.

     4.   Representations and Warranties.  Each Borrower hereby represents
and warrants as follows:

          (a)  This Amendment and the Loan Agreement, as amended hereby,
constitute legal, valid and binding obligations of each Borrower and are
enforceable against each Borrower in accordance with their respective terms.

          (b)  Upon the effectiveness of this Amendment, each Borrower
hereby reaffirms all covenants, representations and warranties made in the
Loan Agreement to the extent the same are not amended hereby, and agrees that
all such covenants, representations and warranties shall be deemed to have
been remade as of the effective date of this Amendment.

          (c)  No Event of Default or Default has occurred and is
continuing or would exist after giving effect to this Amendment.

          (d)  No Borrower has any defense, counterclaim or offset with
respect to the Loan Agreement.

     5.   Effect on the Loan Agreement.

          (a)  Upon the effectiveness of Section 2 hereof, each reference
in the Loan Agreement to "this Agreement," "hereunder," "hereof," "herein" or
words of like import shall mean and be a reference to the Loan Agreement as
amended hereby.

          (b)  Except as specifically amended herein, the Loan Agreement,
and all other documents, instruments and agreements executed and/or delivered
in connection therewith, shall remain in full force and effect, and are hereby
ratified and confirmed.

          (c)  The execution, delivery and effectiveness of this Amendment
shall not operate as a waiver of any right, power or remedy of Agent or
Lenders, nor constitute a waiver of any provision of the Loan Agreement, or
any other documents, instruments or agreements executed and/or delivered under
or in connection therewith.

     6.   Governing Law.  This Amendment shall be binding upon and inure to
the benefit of the parties hereto and their respective successors and assigns
and shall be governed by and construed in accordance with the laws of the
State of New York.

     7.   Headings.  Section headings in this Amendment are included herein
for convenience of reference only and shall not constitute a part of this
Amendment for any other purpose.

     8.   Counterparts; Facsimile.  This Amendment may be executed by the
parties hereto in one or more counterparts, each of which shall be deemed an
original and all of which when taken together shall constitute one and the
same agreement.  Any signature delivered by a party by facsimile transmission
shall be deemed to be an original signature hereto.

     9.   Repayment of Certain Lenders.  Upon the effectiveness of this
Amendment, (a) the Lenders shall have the Commitment Percentages set forth on
the signature pages hereto which reflect the repayment of all Obligations
under the Loan Agreement owing to The Bank of Nova Scotia, Fleet Capital
Corporation and Bank of Scotland (collectively, the "Repaid Lenders") and (b)
the Repaid Lenders shall no longer be Lenders under the Loan Agreement.

     IN WITNESS WHEREOF, this Amendment has been duly executed as of the day
and year first written above.

                           BUCYRUS INTERNATIONAL, INC.

                           By:  /s/C. R. Mackus
                           Name:  C. R. Mackus
                           Title:  Vice President-Finance and Secretary

                           MINSERCO, INC.

                           By:  /s/C. R. Mackus
                           Name:  C. R. Mackus
                           Title:  Vice President-Finance, Secretary
                                   and Assistant Treasurer

                           BOONVILLE MINING SERVICES, INC.

                           By:  /s/C. R. Mackus
                           Name:  C. R. Mackus
                           Title:  Vice President-Finance, Treasurer
                                   and Secretary

                           BUCYRUS CANADA LIMITED
                           (as Guarantor)

                           By:  /s/C. R. Mackus
                           Name:  C. R. Mackus
                           Title:  Vice President and Treasurer

                           BUCYRUS HOLDINGS, LLC
                           (as Guarantor)

                           By:  /s/ Kim A. Marvin
                           Name:  Kim A. Marvin
                           Title:

                           GMAC BUSINESS CREDIT, LLC, as a Lender
                           and as Agent

                           By:  /s/Frank A. Chiovari
                           Name:  Frank A. Chiovari
                           Title:  Director
                           Commitment:  $35,000,000
                           Commitment Percentage:  46.0527%

                           BANK ONE, WISCONSIN

                           By:  /s/Mark P. Bruss
                           Name:  Mark P. Bruss
                           Title:  1st Vice President
                           Commitment:  $20,000,000
                           Commitment Percentage:  26.3158%

                           MARINE BANK

                           By:  /s/William E. Shaw
                           Name:  William E. Shaw
                           Title:  Senior Vice President
                           Commitment:  $6,000,000
                           Commitment Percentage:  7.8947%

                           LASALLE BANK NATIONAL ASSOCIATION

                           By:  /s/D. Marinovic
                           Name:  Dusko Marinovic
                           Title:  Assistant Vice President
                           Commitment:  $15,000,000
                           Commitment Percentage:  19.7368%

                           Schedule 5.8(d)-1 to Amendment No. 2

                             SCHEDULE 5.8(d)-1

                         Certain Plan Information

See NOTE I - PENSION AND RETIREMENT PLANS to the consolidated financial
statements of Bucyrus International, Inc. included in Bucyrus International,
Inc.'s Annual Report on Form 10-K with respect to the fiscal year ended
December 31, 2001.

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