Exhibit 4.1




                                                    November 8, 2001




Morgan Drive Away, Inc.
TDI, Inc.
2746 Old U.S. 20 West
Elkhart, Indian 46514
Attention: Gary Klusman

Gentlemen:

     Reference is made to (a) the Revolving Credit and Security Agreement, dated
as of July 27, 2001 (the  "Agreement"),  amoung us and each of you,  and (b) the
Letter of Credit Financing Supplement to Revolving Credit Agreement, dated July,
27, 2001 (the "L/C  Supplement"),  among us and each of you.  Capitalized  terms
used  and not  otherwise  defined  herein  shall  have the  respective  meanings
ascribed to them under the Agreement or the L/C Supplement, as the case may be.

     You  have  advised  us that you are in  violation  of the  requirements  of
Sections  12(n),  12(o) and 12(r) of the Agreement for the fiscal  quarter ended
September  30, 2001.  This letter  shall serve to confirm  that,  provided  your
actual  performance  with respect to such Sections of the Agreement was no worse
than that which you have previously  reported to us in writing,  we hereby waive
your failure to be in  compliance  with Sections  12(n),  12(o) and 12(r) of the
Agreement for the fiscal quarter ended  September 30, 2001, as Events of Default
under the Agreement.

     The waivers  provided  herein are only with  respect to the Sections of the
Agreement  referred to above and only for the time period referred to above, and
shall not be construed as a waiver of your compliance with any other  provisions
of the  Agreement,  nor as a waiver of the  provisions of the specific  Sections
referred to above for any other time period.

     In addition,  it is hereby  agreed by and among each of you and us that the
Agreement  shall be amended as follows,  effective as of the date this letter is
duly executed by each of you and delivered to us:








     1.   The table in the last seven lines of the defined term "Contract  Rule"
          in  Section  1 of  the  Agreement,  immediately  following  the  words
          "rolling  four  quarter  basis",  are  deleted in their  entirety  and
          replaced by the following:


"Funded Debt (including the face amount    Average LIBOR    Alternate Base Rate
of outstanding Letters of Credit/EBITDA    plus Margin      plus Margin

Greater than 4.5                           3.75%            1.25%
Greater than 3.0 but less than 4.5         3.25%             .75%
Greater than 2.0 but less than 3.0         3.00%             .50%
Less than 2.0                              2.75%             .25%"

2.   Section  12(n) of the  Agreement is deleted in its entirety and replaced by
     the following:

     "(n) it shall not  permit  its  Tangible  Net  Worth to be less than  seven
     hundred   seventy-five   thousand  dollars  ($775,000).   Thereafter,   the
     Borrower's  Tangible Net Worth will be tested on a quarterly basis and must
     be in the following minimum amounts as of the end of each of the Borrower's
     following Fiscal quarters:


     Fiscal Quarter                                    Minimum Amount
     --------------                                    --------------

     Fourth Quarter, 2001                              $2,300,000

     First Quarter, 2002                               $2,400,000

     Second Quarter, 2002                              $2,600,000

     Third Quarter, 2002                               $2,800,000

     Fourth Quarter, 2002                              $3,000,000

     First Quarter, 2003                               $5,300,000

     Second Quarter, 2003                              $6,700,000

     Third Quarter, 2003                               $7,800,000

     Fourth Quarter, 2003                              $7,800,000

     First Quarter, 2004                               $7,800,000

     Second Quarter, 2004                              $8,100,000"

3.   Section  12(o) of the  Agreement is deleted in its entirety and replaced by
     the following:

     "(o) it shall maintain a ratio of Funded Debt to EBITDA of not less than:


     Fiscal Quarter                        Minimum Funded Debt/EBITDA Coverage
     --------------                        -----------------------------------

     Fourth Quarter, 2001                  17.00X

     First Quarter, 2002                   8.00X

     Second Quarter, 2002                  9.00X

     Third Quarter, 2002                   6.00X

     Fourth Quarter, 2002                  5.50X

     First Quarter, 2003                   2.70X

     Second Quarter, 2003                  2.50X

     Third Quarter, 2003                   2.40X

     Fourth Quarter, 2003                  2.30X

     First Quarter, 2004                   2.30X

     Second Quarter, 2004                  2.30X"

     (Lender  shall  test  the  Borrower's   Maximum  Funded  Debt/EBITDA  Cover
     quarterly  pursuant  to the table  above and which is based  upon a rolling
     four-quarter calculation.)"

4.   Section  12(r) of the  Agreement is deleted in its entirety and replaced by
     the following:

     "(r) it shall  maintain a Fixed Charge  Coverage Ratio of not less than the
     following:


     Fiscal Quarter                             Minimum Fixed Charge Coverage
     --------------                             -----------------------------

     Fourth Quarter, 2001                       2.00X

     First Quarter, 2002                        3.10X

     Second Quarter, 2002                       1.20X

     Third Quarter, 2002                        1.40X

     Fourth Quarter, 2002                       1.60X

     First Quarter, 2003                        2.00X

     Second Quarter, 2003                       2.00X

     Third Quarter, 2003                        2.00X

     Fourth Quarter, 2003                       2.00X

     First Quarter, 2004                        2.00X

     Second Quarter, 2004                       2.00X"

     (Lender shall test the Borrower's  Minimum Fixed Charge Coverage  quarterly
     pursuant to the table above and which is based upon a rolling  four-quarter
     calculation.)"

     It is also  hereby  agreed  by and  among  each of you and us that  the L/C
Supplement shall be amended as follows,  effective as of the date this letter is
duly executed by each of you and delivered to us:

     A.  Section I of the L/C  Supplement  is amended by  deleting  the table of
Applicable Rates of commissions on page 3 thereof in its entirety, and replacing
it with the following:



  "If the Rate under the    or if the Rate under the    then the Monthly
  Agreement is Average      Agreement is Alternate      Applicable Rate under
  LIBOR plus a Margin of:   Base rate plus Margin of:   this Supplement will be:

           3.75%                    1.25%                      .312%
           3.25%                     .75%                      .270%
           3.00%                     .50%                      .249%
           2.75%                     .25%                      .228%"

     Except  as  heretofore  and  hereby  amended,  the  Agreement  and  the L/C
Supplement  shall remain  unchanged  and in full force and effect in  accordance
with its terms.

     If the  foregoing  correctly  sets forth the  agreement  between us, please
execute a copy of this  letter in the space  provided  below and  return a fully
executed copy of this letter to our offices.

                                               Very truly yours,

                                               GMAC COMMERCIAL CREDIT LLC



                                               By: /s/ Frank Imperati
                                                  ------------------------------
                                               Title: SVP

READ AND AGREED TO:
MORGAN DRIVE AWAY, INC.

By:   /s/ Gary J. Klusman
   --------------------------------------
Title: Exec VP-Finance and Admin

TDI, INC.

By:   /s/ Gary J. Klusman
   --------------------------------------
Title: Exec VP-Finance and Admin