NAVISTAR FINANCIAL RETAIL RECEIVABLES CORPORATION
8-K, 1998-10-02
ASSET-BACKED SECURITIES
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549



                                    FORM 8-K



                                 CURRENT REPORT
                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934




       Date of Report (Date of earliest event reported) September 15, 1998




         NAVISTAR FINANCIAL RETAIL RECEIVABLES CORPORATION on behalf of
                     NAVISTAR FINANCIAL 1995-A OWNER TRUST,
                     NAVISTAR FINANCIAL 1995-B OWNER TRUST,
                     NAVISTAR FINANCIAL 1996-A OWNER TRUST,
                     NAVISTAR FINANCIAL 1996-B OWNER TRUST,
                     NAVISTAR FINANCIAL 1997-A OWNER TRUST,
                    NAVISTAR FINANCIAL 1997-B OWNER TRUST AND
                      NAVISTAR FINANCIAL 1998-A OWNER TRUST
             (Exact name of Registrant as specified in its charter)



                                    Delaware
                 (State or other jurisdiction of incorporation)



              33-55865                                  51-0337491
      (Commission File Number)            (I.R.S. Employer Identification No.)



 2850 West Golf Road Rolling Meadows, Illinois             60008
   (Address of principal executive offices)             (Zip Code)




         Registrant's telephone number including area code 847-734-4000



<PAGE>







                                    FORM 8-K



                    INFORMATION TO BE INCLUDED IN THE REPORT


Item 5.  Other Events.


          On September 15 and 21, 1998, Registrant  made  available the Monthly
          Servicer Certificates for the Period of August 1998 for the specified
          Owner Trusts, which are attached as Exhibit 20 hereto.


Item 7.  Financial Statements and Exhibits.

         (c)      Exhibits:

                  See attached Exhibit Index.




                                   SIGNATURE


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.



                NAVISTAR FINANCIAL RETAIL RECEIVABLES CORPORATION
               on behalf of NAVISTAR FINANCIAL 1995-A OWNER TRUST,
                     NAVISTAR FINANCIAL 1995-B OWNER TRUST,
                     NAVISTAR FINANCIAL 1996-A OWNER TRUST,
                     NAVISTAR FINANCIAL 1996-B OWNER TRUST,
                     NAVISTAR FINANCIAL 1997-A OWNER TRUST,
                    NAVISTAR FINANCIAL 1997-B OWNER TRUST AND
                     NAVISTAR FINANCIAL 1998-A OWNER TRUST
                                  (Registrant)







Date:   October 2, 1998                            By:/s/ R. WAYNE CAIN
- ------------------------                           --------------------------
                                                   R. Wayne Cain
                                                   Vice President & Treasurer




<PAGE>





                                                                 FORM 8-K



                                 EXHIBIT INDEX


Exhibit No.    Description





               Navistar Financial 1995-A Owner Trust

   20.1        Monthly Servicer Certificate, dated September 21, 1998


               Navistar Financial 1995-B Owner Trust

   20.2        Monthly Servicer Certificate, dated September 15, 1998


               Navistar Financial 1996-A Owner Trust

   20.3        Monthly Servicer Certificate, dated September 15, 1998


               Navistar Financial 1996-B Owner Trust

   20.4        Monthly Servicer Certificate, dated September 21, 1998


               Navistar Financial 1997-A Owner Trust

   20.5        Monthly Servicer Certificate, dated September 15, 1998


               Navistar Financial 1997-B Owner Trust

   20.6        Monthly Servicer Certificate, dated September 15, 1998


               Navistar Financial 1998-A Owner Trust

   20.7        Monthly Servicer Certificate, dated September 15, 1998








<PAGE>


Exhibit 20.1
Page 1 of 3
                    Navistar Financial 1995 - A Owner Trust
                         For the Month of August 1998
                    Distribution Date of September 21, 1998
                           Servicer Certificate #40

<TABLE>
<S>                                                       <C>
Original Pool Amount                                      $424,879,281.80

Beginning Pool Balance                                     $52,334,256.96
Beginning Pool Factor                                           0.1231744

Principal and Interest Collections:
     Principal Collected (Incl. Servicer Advance Repay)     $4,256,983.12
     Interest Collected                                       $439,030.85

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $113,251.22
Total Additional Deposits                                     $113,251.22

Repos / Chargeoffs                                             $17,175.65
Aggregate Number of Notes Charged Off                                  31

Total Available Funds                                       $4,571,243.01

Ending Pool Balance                                        $48,298,120.37
Ending Pool Factor                                              0.1136749

Servicing Fee                                                  $43,611.88

Repayment of Servicer Advances                                $238,022.18

Reserve Account:
     Beginning Balance  (see Memo Item)                     $9,166,516.16
     Target Percentage                                               6.00%
     Target Balance                                         $2,897,887.22
     Minimum Balance                                        $8,922,464.92
     (Release) / Deposit                                     ($244,051.24)
     Ending Balance                                         $8,922,464.92

Current Weighted Average APR:                                      10.392%
Current Weighted Average Remaining Term (months):                   16.20
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                             Dollars       Notes
<S>                             <C>                   <C>                <C>
     Installments:              1 - 30 days             $713,251.53      482
                                31 - 60 days            $199,140.95      160
                                60+  days               $118,287.37       52

     Total:                                           $1,030,679.85      511

     Balances:                  60+  days               $670,656.84       52

Memo Item - Reserve Account
     Prior Month                                      $8,922,464.92
+    Invest. Income                                      $39,852.44
+    Excess Serv.                                       $204,198.80
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                                $9,166,516.16
</TABLE>

<PAGE>


Exhibit 20.1
Page 2 of 3

Navistar Financial 1995 - A Owner Trust
For the Month of August 1998
<TABLE>
<CAPTION>
                                                                                     NOTES
                                                                (Money Market)
                                                      TOTAL        CLASS A - 1        CLASS A - 2      CERTIFICATES
<S>                                            <C>                 <C>               <C>                <C>
                                               $424,879,281.80     $80,000,000.00    $330,000,000.00    $14,879,281.80
Original Pool Amount
Distributions:
     Distribution Percentages                                               0.00%             96.50%             3.50%
     Coupon                                                                5.900%             6.550%            6.850%

Beginning Pool Balance                          $52,334,256.96
Ending Pool Balance                             $48,298,120.37

Collected Principal                              $4,018,960.94
Collected Interest                                 $439,030.85
Charge - Offs                                       $17,175.65
Liquidation Proceeds / Recoveries                  $113,251.22
Servicing                                           $43,611.88
Cash Transfer from Reserve Account                       $0.00
Total Collections Avail for Debt Service         $4,527,631.13

Beginning Balance                               $52,334,256.96              $0.00     $45,782,582.96     $6,551,674.00

Interest Due                                       $287,295.74              $0.00        $249,896.60        $37,399.14
Interest Paid                                      $287,295.74              $0.00        $249,896.60        $37,399.14
Principal Due                                    $4,036,136.59              $0.00      $3,894,871.81       $141,264.78
Principal Paid                                   $4,036,136.59              $0.00      $3,894,871.81       $141,264.78

Ending Balance                                  $48,298,120.37              $0.00     $41,887,711.15     $6,410,409.22
Note / Certificate Pool Factor                                             0.0000             0.1269            0.4308
   (Ending Balance / Original Pool Amount)
Total Distributions                              $4,323,432.33              $0.00      $4,144,768.41       $178,663.92

Interest Shortfall                                       $0.00              $0.00              $0.00             $0.00
Principal Shortfall                                      $0.00              $0.00              $0.00             $0.00
     Total Shortfall                                     $0.00              $0.00              $0.00             $0.00
      (required from Reserve)
Excess Servicing                                   $204,198.80
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance                   $9,166,516.16
(Release) / Draw                                  ($244,051.24)
Ending Reserve Acct Balance                      $8,922,464.92
</TABLE>


<PAGE>


Exhibit 20.1
Page 3 of 3

Navistar Financial 1995 - A Owner Trust
For the Month of August 1998


Trigger Events:
A)  Loss Trigger
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION>
                                       5                     4                   3                   2                  1
                                    Apr-98                 May-98             Jun-98              Jul-98              Aug-98
<S>                             <C>                   <C>                 <C>                 <C>                 <C>
Beginning Pool Balance          $72,583,996.78         $66,167,079.84     $61,339,561.62      $56,826,065.47      $52,334,256.96

A)  Loss Trigger:
    Principal of Contracts
      Charged Of                    $26,014.00             $77,369.90         $59,236.11          $49,392.39          $17,175.65
    Recoveries                     $846,903.13            $198,574.51        $171,389.27          $75,478.05         $113,251.22

Total Charged Off (Months 5, 4, 3)                        $162,620.01
Total Recoveries (Months 3, 2, 1)                         $360,118.54
Net Loss / (Recoveries) for 3 Mos                        ($197,498.53)(a)

Total Balance (Months 5, 4, 3)                        $200,090,638.24 (b)

Loss Ratio Annualized  [(a/b) * (12)]                        -1.1845%

Trigger:  Is Ratio > 1.5%                                          No
                                                                              Jun-98              Jul-98              Aug-98

B)   Delinquency Trigger:                                                    $565,953.93         $339,399.46         $670,656.84
     Balance delinquency 60+ days                                               0.92266%            0.59726%            1.28149%
     As % of Beginning Pool Balance                                             0.92508%            0.81298%            0.93380%
     Three Month Average

Trigger:  Is Average > 2.0%                                        No

C)   Noteholders Percent Trigger:                             2.1000%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                                        No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer


<PAGE>


Exhibit 20.2
Page 1 of 3

                    Navistar Financial 1995 - B Owner Trust
                         For the Month of August 1998
                    Distribution Date of September 15, 1998
                           Servicer Certificate #35
<TABLE>
<S>                                                       <C>
Original Pool Amount Initial Receivables                  $454,499,683.43
Subsequent Receivables (transferred 11/10/95)              $70,451,789.39

Beginning Pool Balance                                    $112,885,760.51
Beginning Pool Factor                                           0.2150404

Principal and Interest Collections:
     Principal Collected (Incl. Servicer Advance Repay)     $8,002,622.14
     Interest Collected                                       $856,648.20

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $178,202.18
Total Additional Deposits                                     $178,202.18

Repos / Chargeoffs                                            $118,414.21
Aggregate Number of Notes Charged Off                                  58

Total Available Funds                                       $7,993,042.26

Ending Pool Balance                                       $105,809,154.42
Ending Pool Factor                                              0.2015599

Servicing Fee                                                  $94,071.47

Repayment of Servicer Advances                              $1,044,430.26

Reserve Account:
     Beginning Balance  (see Memo Item)                    $11,323,342.29
     Target Percentage                                               5.50%
     Target Balance                                         $5,819,503.49
     Minimum Balance                                       $11,023,980.93
     (Release) / Deposit                                     ($299,361.36)
     Ending Balance                                        $11,023,980.93

Current Weighted Average APR:                                      9.782%
Current Weighted Average Remaining Term (months):                   20.76
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                            Dollars         Notes
<S>                             <C>                  <C>                  <C>
     Installments:              1 - 30 days           $1,382,507.73       766
                                31 - 60 days            $356,474.65       200
                                60+  days                $97,492.04        51

     Total:                                           $1,836,474.42       790

     Balances:                  60+  days               $822,884.00        51

Memo Item - Reserve Account
     Prior Month                                     $11,023,980.93
+    Invest. Income                                      $47,529.47
+    Excess Serv.                                       $251,831.89
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                               $11,323,342.29
</TABLE>


<PAGE>


Exhibit 20.2
Page 2 of 3

Navistar Financial 1995 - B Owner Trust
For the Month of August 1998

<TABLE>
<CAPTION>
                                                                                      NOTES
                                      (Money Market)
                                          TOTAL            CLASS A - 1        CLASS A - 2        CLASS A - 3       CERTIFICATES
<S>                                  <C>                 <C>                <C>                <C>                 <C>
                                     $525,000,000.00     $122,300,000.00    $100,000,000.00    $284,325,000.00     $18,375,000.00
Original Pool Amount
Distributions:
     Distribution Percentages                                      0.00%              0.00%             96.50%              3.50%
     Coupon                                                       5.750%             5.940%             6.050%             6.220%

Beginning Pool Balance               $112,885,760.51
Ending Pool Balance                  $105,809,154.42

Collected Principal                    $6,958,191.88
Collected Interest                       $856,648.20
Charge - Offs                            $118,414.21
Liquidation Proceeds / Recoveries        $178,202.18
Servicing                                 $94,071.47
Cash Transfer from Reserve Account             $0.00
Total Collections Available
  for Debt Service                     $7,898,970.79

Beginning Balance                    $112,885,760.51               $0.00              $0.00    $103,000,312.86      $9,885,447.65

Interest Due                             $570,532.81               $0.00              $0.00        $519,293.24         $51,239.57
Interest Paid                            $570,532.81               $0.00              $0.00        $519,293.24         $51,239.57
Principal Due                          $7,076,606.09               $0.00              $0.00      $6,828,924.88        $247,681.21
Principal Paid                         $7,076,606.09               $0.00              $0.00      $6,828,924.88        $247,681.21

Ending Balance                       $105,809,154.42               $0.00              $0.00     $96,171,387.98      $9,637,766.44
Note / Certificate Pool Factor                                    0.0000             0.0000             0.3382             0.5245
   (Ending Balance / Original Pool Amount)
Total Distributions                    $7,647,138.90               $0.00              $0.00      $7,348,218.12        $298,920.78

Interest Shortfall                             $0.00               $0.00              $0.00              $0.00              $0.00
Principal Shortfall                            $0.00               $0.00              $0.00              $0.00              $0.00
     Total Shortfall                           $0.00               $0.00              $0.00              $0.00              $0.00
      (required from Reserve)
Excess Servicing                         $251,831.89
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance        $11,323,342.29
(Release) / Draw                        ($299,361.36)
Ending Reserve Acct Balance           $11,023,980.93
</TABLE>

<PAGE>


Exhibit 20.2
Page 3 of 3

Navistar Financial 1995 - B Owner Trust
For the Month of August 1998


Trigger Events:
A)  Loss Trigger
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION>
                                              5                   4                  3                 2                  1
                                           Apr-98              May-98             Jun-98             Jul-98             Aug-98
<S>                                    <C>                <C>                <C>                <C>                <C>
Beginning Pool Balance                 $149,863,734.61    $139,446,823.57    $131,261,355.66    $120,655,534.13    $112,885,760.51

A)   Loss Trigger:
Principal of Contracts Charged Off          $87,825.24        $105,061.20        $126,322.91         $67,007.09        $118,414.21
Recoveries                                 $301,402.14        $247,495.63        $138,992.46        $197,832.59        $178,202.18

Total Charged Off (Months 5, 4, 3)         $319,209.35
Total Recoveries (Months 3, 2, 1)          $515,027.23
Net Loss / (Recoveries) for 3 Mos         ($195,817.88)(a)

Total Balance (Months 5, 4, 3)         $420,571,913.84(b)

Loss Ratio Annualized  [(a/b) * (12)]          -0.5587%

Trigger:  Is Ratio > 1.5%                           No
                                                                                 Jun-98              Jul-98             Aug-98

B)   Delinquency Trigger:                                                        $816,245.23      $1,108,659.81        $822,884.00
     Balance delinquency 60+ days                                                   0.62185%           0.91886%           0.72895%
     As % of Beginning Pool Balance                                                 0.88142%           0.84790%           0.75655%
     Three Month Average

Trigger:  Is Average > 2.0%                         No

C)   Noteholders Percent Trigger:               2.1000%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                         No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer


<PAGE>


Exhibit 20.3
Page 1 of 3

                    Navistar Financial 1996 - A Owner Trust
                          For the Month of August 1998
                    Distribution Date of September 15, 1998
                           Servicer Certificate #28

<TABLE>
<S>                                                       <C>
Original Pool Amount                                      $459,943,869.53

Beginning Pool Balance                                    $165,506,037.27
Beginning Pool Factor                                           0.3598396

Principal and Interest Collections:
     Principal Collected (Incl. Servicer Advance Repay)     $9,195,081.26
     Interest Collected                                     $1,221,724.83

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $167,414.42
Total Additional Deposits                                     $167,414.42

Repos / Chargeoffs                                            $155,755.20
Aggregate Number of Notes Charged Off                                  71

Total Available Funds                                      $10,094,131.06

Ending Pool Balance                                       $156,645,290.26
Ending Pool Factor                                              0.3405748

Servicing Fee                                                 $137,921.70

Repayment of Servicer Advances                                $490,089.45

Reserve Account:
     Beginning Balance  (see Memo Item)                     $9,922,007.53
     Target Percentage                                               5.00%
     Target Balance                                         $7,832,264.51
     Minimum Balance                                        $9,658,821.26
     (Release) / Deposit                                     ($263,186.27)
     Ending Balance                                         $9,658,821.26

Current Weighted Average APR:                                      9.365%
Current Weighted Average Remaining Term (months):                   26.36
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                            Dollars        Notes
<S>                             <C>                   <C>                <C>
     Installments:              1 - 30 days           $1,413,171.98      942
                                31 - 60 days            $368,669.77      265
                                60+  days               $182,889.27       80

     Total:                                           $1,964,731.02      971

     Balances:                  60+  days             $2,246,276.73       80

Memo Item - Reserve Account
     Prior Month                                      $9,658,821.26
+    Invest. Income                                      $44,942.27
+    Excess Serv.                                       $218,244.00
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                                $9,922,007.53
</TABLE>

<PAGE>


Exhibit 20.3
Page 2 of 3

Navistar Financial 1996 - A Owner Trust
For the Month of August 1998
<TABLE>
<CAPTION>
                                                                                     NOTES
                                                                (Money Market)
                                                      TOTAL        CLASS A - 1        CLASS A - 2      CERTIFICATES
<S>                                            <C>                 <C>               <C>                <C>
                                               $459,943,869.53     $92,000,000.00    $347,245,000.00    $20,698,869.53
Original Pool Amount
Distributions:
     Distribution Percentages                                               0.00%             95.50%             4.50%
     Coupon                                                                5.250%             6.350%            6.500%

Beginning Pool Balance                         $165,506,037.27
Ending Pool Balance                            $156,645,290.26

Collected Principal                              $8,704,991.81
Collected Interest                               $1,221,724.83
Charge - Offs                                      $155,755.20
Liquidation Proceeds / Recoveries                  $167,414.42
Servicing                                          $137,921.70
Cash Transfer from Reserve Account                       $0.00
Total Collections Avail for Debt Service         $9,956,209.36

Beginning Balance                              $165,506,037.27              $0.00    $154,181,437.38    $11,324,599.89

Interest Due                                       $877,218.35              $0.00        $815,876.77        $61,341.58
Interest Paid                                      $877,218.35              $0.00        $815,876.77        $61,341.58
Principal Due                                    $8,860,747.01              $0.00      $8,462,013.39       $398,733.62
Principal Paid                                   $8,860,747.01              $0.00      $8,462,013.39       $398,733.62

Ending Balance                                 $156,645,290.26              $0.00    $145,719,423.99    $10,925,866.27
Note / Certificate Pool Factor                                             0.0000             0.4196            0.5278
   (Ending Balance / Original Pool Amount)
Total Distributions                              $9,737,965.36              $0.00      $9,277,890.16       $460,075.20

Interest Shortfall                                       $0.00              $0.00              $0.00             $0.00
Principal Shortfall                                      $0.00              $0.00              $0.00             $0.00
     Total Shortfall                                     $0.00              $0.00              $0.00             $0.00
      (required from Reserve)
Excess Servicing                                   $218,244.00
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance                   $9,922,007.53
(Release) / Draw                                  ($263,186.27)
Ending Reserve Acct Balance                      $9,658,821.26
</TABLE>

<PAGE>


Exhibit 20.3
Page 3 of 3

Navistar Financial 1996 - A Owner Trust
For the Month of August 1998


Trigger Events:
A)  Loss Trigger - Reserve Account Balance
    Loss Trigger - Certificate Lockout Event
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION> 
                                 6                  5                4                3                2                1
                              Mar-98             Apr-98           May-98           Jun-98           Jul-98           Aug-98
<S>                        <C>              <C>              <C>              <C>              <C>            <C>
Beginning Pool Balance     $210,823,570.58  $201,965,001.20  $192,662,147.75  $183,840,293.25  $174,108,661.77  $165,506,037.27

A)   Loss Trigger:
Principal of Contracts
  Charged Off                  $242,578.83      $134,699.72      $467,682.14      $502,205.30      $187,160.28      $155,755.20
Recoveries                     $501,962.37      $604,119.92      $385,285.54      $340,779.26      $245,162.77      $167,414.42
</TABLE>
<TABLE>
<CAPTION>
Loss Trigger - Reserve Account Balance                                   Loss Trigger - Certificate Lockout Event
<S>                                         <C>                            <C>                                <C>
  Total Charged Off (Months 5, 4, 3)          $1,104,587.16                Total Charged off (Months 1 - 6)       $1,690,081.47
  Total Recoveries (Months 3, 2, 1)             $753,356.45                Total Recoveries (Months 1 - 6)        $2,244,724.28
  Net Loss / (Recoveries) for 3 Mos             $351,230.71 (a)            Net Loss/(Recoveries) for 6 Mos.        ($554,642.81)(c)

  Total Balance (Months 5, 4, 3)            $578,467,442.20 (b)            Total Balance (Months 1 - 6)       $1,128,905,711.82(d)

  Loss Ratio Annualized  [(a/b) * (12)]             0.7286%                Loss Ratio Annualized [(c/d) (12)]          -0.5896%

  Trigger:  Is Ratio > 1.5%                              No                Trigger:  Is Ratio > 6.0%                        No
</TABLE>
<TABLE>
<CAPTION>
                                                                                   Jun-98           Jul-98           Aug-98
<S>                                                 <C>                         <C>              <C>              <C>
B)   Delinquency Trigger:                                                       $1,561,396.10    $1,449,139.68    $2,246,276.73
     Balance delinquency 60+ days                                                    0.84932%         0.83232%         1.35722%
     As % of Beginning Pool Balance                                                  0.91188%         0.89068%         1.01295%
     Three Month Average

Trigger:  Is Average > 2.0%                              No

C)   Noteholders Percent Trigger:                   2.1000%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                              No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer


<PAGE>


Exhibit 20.4
Page 1 of 3

                    Navistar Financial 1996 - B Owner Trust
                         For the Month of August 1998
                    Distribution Date of September 21, 1998
                           Servicer Certificate #23
<TABLE>
<S>                                                       <C>
Original Pool Amount                                      $486,507,362.75

Beginning Pool Balance                                    $203,072,269.50
Beginning Pool Factor                                           0.4174084

Principal and Interest Collections:
     Principal Collected (Incl. Servicer Advance Repay)     $9,134,837.46
     Interest Collected                                     $1,568,412.72

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $627,933.71
Total Additional Deposits                                     $627,933.71

Repos / Chargeoffs                                            $737,488.15
Aggregate Number of Notes Charged Off                                  91

Total Available Funds                                      $10,617,635.29

Ending Pool Balance                                       $193,913,492.49
Ending Pool Factor                                              0.3985829

Servicing Fee                                                 $169,226.89

Repayment of Servicer Advances                                $713,548.60

Reserve Account:
     Beginning Balance  (see Memo Item)                     $9,980,635.15
     Target Percentage                                               2.50%
     Target Balance                                         $4,847,837.31
     Minimum Balance                                        $9,730,147.26
     (Release) / Deposit                                     ($250,487.89)
     Ending Balance                                         $9,730,147.26

Current Weighted Average APR:                                       9.887%
Current Weighted Average Remaining Term (months):                   29.71
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                            Dollars         Notes
<S>                             <C>                   <C>                <C>
     Installments:              1 - 30 days           $1,465,729.41      1,157
                                31 - 60 days            $381,808.36        306
                                60+  days               $227,632.30         96

     Total:                                           $2,075,170.07      1,180

     Balances:                  60+  days             $2,928,804.15         96

Memo Item - Reserve Account
     Prior Month                                      $9,730,147.26
+    Invest. Income                                      $42,250.95
+    Excess Serv.                                       $208,236.94
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                                $9,980,635.15
</TABLE>

<PAGE>


Exhibit 20.4
Page 2 of 3

Navistar Financial 1996 - B Owner Trust
For the Month of August 1998
<TABLE>
<CAPTION>
                                                                        NOTES
                                                                                                        CLASS B         CLASS C
                                      TOTAL          CLASS A - 1     CLASS A - 2      CLASS A - 2     CERTIFICATES    CERTIFICATES
<S>                              <C>              <C>              <C>              <C>              <C>             <C> 
                                 $486,507,362.75  $106,500,000.00  $111,900,000.00  $236,500,000.00  $17,028,000.00  $14,579,362.75
Original Pool Amount
Distributions:
     Distribution Percentages                               0.00%            0.00%           93.50%           3.50%           3.00%
     Coupon                                                5.490%           5.930%           6.330%          6.500%          7.450%

Beginning Pool Balance           $203,072,269.50
Ending Pool Balance              $193,913,492.49

Collected Principal                $8,421,288.86
Collected Interest                 $1,568,412.72
Charge - Offs                        $737,488.15
Liquidation Proceeds / Recoveries    $627,933.71
Servicing                            $169,226.89
Cash Transfer from Reserve Account         $0.00
Total Collections Available
  for Debt Service                $10,448,408.40

Beginning Balance                $203,072,269.50            $0.00            $0.00  $182,965,687.81  $10,835,261.59   $9,271,320.10

Interest Due                       $1,081,394.45            $0.00            $0.00      $965,144.00      $58,691.00      $57,559.45
Interest Paid                      $1,081,394.45            $0.00            $0.00      $965,144.00      $58,691.00      $57,559.45
Principal Due                      $9,158,777.01            $0.00            $0.00    $8,563,456.50     $320,557.20     $274,763.31
Principal Paid                     $9,158,777.01            $0.00            $0.00    $8,563,456.50     $320,557.20     $274,763.31

Ending Balance                   $193,913,492.49            $0.00            $0.00  $174,402,231.31  $10,514,704.39   $8,996,556.79
Note / Certificate Pool Factor                             0.0000           0.0000           0.7374          0.6175          0.6171
   (Ending Balance / Original Pool Amount)
Total Distributions               $10,240,171.46            $0.00            $0.00    $9,528,600.50     $379,248.20     $332,322.76

Interest Shortfall                         $0.00            $0.00            $0.00            $0.00           $0.00           $0.00
Principal Shortfall                        $0.00            $0.00            $0.00            $0.00           $0.00           $0.00
     Total Shortfall                       $0.00            $0.00            $0.00            $0.00           $0.00           $0.00
      (required from Reserve)
Excess Servicing                     $208,236.94
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance     $9,980,635.15
(Release) / Draw                    ($250,487.89)
Ending Reserve Acct Balance        $9,730,147.26
</TABLE>

<PAGE>


Exhibit 20.4
Page 3 of 3

Navistar Financial 1996 - B Owner Trust
For the Month of August 1998


Trigger Events:
A)  Loss Trigger - Reserve Account Balance
    Loss Trigger - Certificate Lockout Event
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION>
                                  6                5                4                3                2                 1
                               Mar-98           Apr-98           May-98           Jun-98           Jul-98            Aug-98
<S>                        <C>              <C>              <C>              <C>              <C>              <C>
Beginning Pool Balance     $258,022,892.73  $246,172,998.69  $234,126,757.26  $226,051,917.20  $213,854,882.24  $203,072,269.50

A)   Loss Trigger:
Principal of Contracts
  Charged Off                  $619,153.90      $924,170.15      $540,216.26      $600,037.39      $507,563.18      $737,488.15
Recoveries                   $1,334,354.14    $2,397,242.15      $593,326.92      $795,132.73      $854,323.15      $627,933.71
</TABLE>

<TABLE>
<CAPTION>
Loss Trigger - Reserve Account Balance                                   Loss Trigger - Certificate Lockout Event
<S>                                         <C>                            <C>                                <C>
  Total Charged Off (Months 5, 4, 3)          $2,064,423.80                Total Charged off (Months 1 - 6)       $3,928,629.03
  Total Recoveries (Months 3, 2, 1)           $2,277,389.59                Total Recoveries (Months 1 - 6)        $6,602,312.80
  Net Loss / (Recoveries) for 3 Mos            ($212,965.79)(a)            Net Loss/(Recoveries) for 6 Mos.      ($2,673,683.77)(c)

  Total Balance (Months 5, 4, 3)            $706,351,673.15 (b)            Total Balance (Months 1 - 6)       $1,381,301,717.62(d)

  Loss Ratio Annualized  [(a/b) * (12)]            -0.3618%                Loss Ratio Annualized [(c/d) (12)]         -2.32275%

  Trigger:  Is Ratio > 1.5%                              No                Trigger:  Is Ratio > 6.0%                         No
</TABLE>

<TABLE>
<CAPTION>
                                                                                  Jun-98           Jul-98            Aug-98
<S>                                                 <C>                         <C>              <C>              <C>
B)   Delinquency Trigger:                                                       $2,554,666.54    $2,457,143.53    $2,928,804.15
     Balance delinquency 60+ days                                                    1.13012%         1.14898%         1.44225%
     As % of Beginning Pool Balance                                                  1.14213%         1.17150%         1.24045%
     Three Month Average

Trigger:  Is Average > 2.0%                              No

C)   Noteholders Percent Trigger:                   2.0000%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                              No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer


<PAGE>


Exhibit 20.5
Page 1 of 3

                    Navistar Financial 1997 - A Owner Trust
                         For the Month of August 1998
                    Distribution Date of September 15, 1998
                           Servicer Certificate #17
<TABLE>
<S>                                                       <C>
Original Pool Amount Initial Receivables                  $411,613,980.45
Subsequent Receivables (transferred 5/9/97)                $76,128,743.83
Subsequent Receivables (transferred 5/23/97)               $12,254,010.44

Beginning Pool Balance                                    $278,655,438.98
Beginning Pool Factor                                           0.5713164

Principal and Interest Collections:
     Principal Collected (Incl. Servicer Advance Repay)    $10,881,496.18
     Interest Collected                                     $2,321,983.17

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $726,522.20
Total Additional Deposits                                     $726,522.20

Repos / Chargeoffs                                            $991,940.48
Aggregate Number of Notes Charged Off                                 131

Total Available Funds                                      $13,834,133.39

Ending Pool Balance                                       $266,877,870.48
Ending Pool Factor                                              0.5471694

Servicing Fee                                                 $232,212.87

Repayment of Servicer Advances                                 $95,868.16

Reserve Account:
     Beginning Balance  (see Memo Item)                    $14,983,421.88
     Target Percentage                                               5.25%
     Target Balance                                        $14,011,088.20
     Minimum Balance                                       $10,499,931.43
     (Release) / Deposit                                     ($972,333.68)
     Ending Balance                                        $14,011,088.20

Current Weighted Average APR:                                      10.080%
Current Weighted Average Remaining Term (months):                   35.23
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                            Dollars        Notes
<S>                             <C>                  <C>                <C>
     Installments:              1 - 30 days           $2,096,839.29     1,434
                                31 - 60 days            $521,591.90       397
                                60+  days               $227,264.56       131

     Total:                                           $2,845,695.75     1,468

     Balances:                  60+  days             $3,694,582.49       131

Memo Item - Reserve Account
     Prior Month                                     $14,629,410.55
+    Invest. Income                                      $71,627.68
+    Excess Serv.                                       $282,383.65
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                               $14,983,421.88
</TABLE>


<PAGE>


Exhibit 20.5
Page 2 of 3

Navistar Financial 1997 - A Owner Trust
For the Month of August 1998
<TABLE>
<CAPTION>
                                                                           NOTES
                                                      (Money Market)
                                            TOTAL        CLASS A - 1        CLASS A - 2        CLASS A - 3       CLASS B NOTES
<S>                                  <C>                 <C>               <C>                <C>                <C>
                                     $500,000,000.00     $85,000,000.00    $221,500,000.00    $176,000,000.00    $17,500,000.00
Original Pool Amount
Distributions:
     Distribution Percentages                                     0.00%            100.00%              0.00%             0.00%
     Coupon                                                      5.841%             6.350%             6.750%            6.950%

Beginning Pool Balance               $278,655,438.98
Ending Pool Balance                  $266,877,870.48

Collected Principal                   $10,785,628.02
Collected Interest                     $2,321,983.17
Charge - Offs                            $991,940.48
Liquidation Proceeds/Recoveries          $726,522.20
Servicing                                $232,212.87
Cash Transfer from Reserve Account             $0.00
Total Collections Available
  for Debt Service                    $13,601,920.52

Beginning Balance                    $278,655,438.98              $0.00     $85,155,438.98    $176,000,000.00    $17,500,000.00

Interest Due                           $1,541,968.37              $0.00        $450,614.20        $990,000.00       $101,354.17
Interest Paid                          $1,541,968.37              $0.00        $450,614.20        $990,000.00       $101,354.17
Principal Due                         $11,777,568.50              $0.00     $11,777,568.50              $0.00             $0.00
Principal Paid                        $11,777,568.50              $0.00     $11,777,568.50              $0.00             $0.00

Ending Balance                       $266,877,870.48              $0.00     $73,377,870.48    $176,000,000.00    $17,500,000.00
Note / Certificate Pool Factor                                   0.0000             0.3313             1.0000            1.0000
   (Ending Balance / Original Pool Amount)
Total Distributions                   $13,319,536.87              $0.00     $12,228,182.70        $990,000.00       $101,354.17

Interest Shortfall                             $0.00              $0.00              $0.00              $0.00             $0.00
Principal Shortfall                            $0.00              $0.00              $0.00              $0.00             $0.00
     Total Shortfall                           $0.00              $0.00              $0.00              $0.00             $0.00
      (required from Reserve)
Excess Servicing                         $282,383.65
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance        $14,983,421.88
(Release) / Draw                        ($972,333.68)
Ending Reserve Acct Balance           $14,011,088.20
</TABLE>

<PAGE>


Exhibit 20.5
Page 3 of 3

Navistar Financial 1997 - A Owner Trust
For the Month of August 1998


Trigger Events:
A)  Loss Trigger
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION>
                                  5                 4                  3                 2                 1
                               Apr-98            May-98             Jun-98            Jul-98            Aug-98
<S>                        <C>               <C>               <C>               <C>               <C>
Beginning Pool Balance     $333,641,595.71   $319,191,363.71   $307,289,360.36   $292,787,563.78   $278,655,438.98

A)  Loss Trigger:
    Principal of Contracts
      Charged Off              $885,640.43       $578,731.40       $953,562.81       $443,388.53       $991,940.48
    Recoveries               $1,150,936.44       $446,856.23     $1,323,449.85       $747,914.14       $726,522.20

Total Charged Off (Months 5, 4, 3)             $2,417,934.64
Total Recoveries (Months 3, 2, 1)              $2,797,886.19
Net Loss / (Recoveries) for 3 Mos               ($379,951.55)(a)

Total Balance (Months 5, 4, 3)               $960,122,319.78 (b)

Loss Ratio Annualized  [(a/b) * (12)]                -0.4749%

Trigger:  Is Ratio > 1.5%                                 No
                                                                    Jun-98            Jul-98            Aug-98

B)   Delinquency Trigger:                                        $3,364,984.26     $3,154,300.72     $3,694,582.49
     Balance delinquency 60+ days                                     1.09505%          1.07733%          1.32586%
     As % of Beginning Pool Balance                                   1.05763%          1.07292%          1.16608%
     Three Month Average

Trigger:  Is Average > 2.0%                               No

C)   Noteholders Percent Trigger:                     2.8726%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                               No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer


<PAGE>


Exhibit 20.6
Page 1 of 3

                    Navistar Financial 1997 - B Owner Trust
                          For the Month of August 1998
                    Distribution Date of September 15, 1998
                           Servicer Certificate #11
<TABLE>
<S>                                                       <C>
Original Pool amount Initial Receivables                  $408,527,638.36
Subsequent Receivables  (transferred 11/13/97)             $91,466,751.20


Beginning Pool Balance                                    $364,215,847.31
Beginning Pool Factor                                           0.7284399

Principal and Interest Collections:
     Principal Collected (Incl. Servicer Advance Repay)     $9,147,190.24
     Interest Collected                                     $2,965,865.96

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $497,069.54
Total Additional Deposits                                     $497,069.54

Repos / Chargeoffs                                            $533,508.96
Aggregate Number of Notes Charged Off                                 105

Total Available Funds                                      $12,586,047.91

Ending Pool Balance                                       $354,559,225.94
Ending Pool Factor                                              0.7091264

Servicing Fee                                                 $303,513.21

Repayment of Servicer Advances                                 $24,077.83

Reserve Account:
     Beginning Balance  (see Memo Item)                    $19,971,605.45
     Target Percentage                                              5.25%
     Target Balance                                        $18,614,359.36
     Minimum Balance                                        $9,999,887.79
     (Release) / Deposit                                   ($1,357,246.09)
     Ending Balance                                        $18,614,359.36

Current Weighted Average APR:                                      9.902%
Current Weighted Average Remaining Term (months):                   41.34
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                            Dollars         Notes
<S>                             <C>                  <C>                 <C>
     Installments:              1 - 30 days           $1,952,244.69      1,589
                                31 - 60 days            $448,125.34        375
                                60+  days               $146,880.64         87

     Total:                                           $2,547,250.67      1,599

     Balances:                  60+  days             $2,940,241.86         87

Memo Item - Reserve Account
     Prior Month                                     $19,121,331.98
+    Invest. Income                                      $93,859.89
+    Excess Serv.                                       $756,413.58
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                               $19,971,605.45
</TABLE>

<PAGE>


Exhibit 20.6
Page 2 of 3

Navistar Financial 1997 - B Owner Trust
For the Month of August 1998
<TABLE>
<CAPTION>
                                                                       NOTES
                                                   (Money Market)
                                     TOTAL          CLASS A - 1      CLASS A - 2     CLASS A - 3      CLASS A - 4    CLASS B NOTES
<S>                              <C>              <C>              <C>             <C>              <C>              <C>
                                 $500,000,000.00  $107,000,000.00  $94,000,000.00  $132,000,000.00  $149,500,000.00  $17,500,000.00
Original Pool Amount
Distributions:
     Distribution Percentages                               0.00%          96.50%            0.00%            0.00%           3.50%
     Coupon                                                 5.72%           5.96%            6.20%            6.30%           6.30%

Beginning Pool Balance           $364,215,847.31
Ending Pool Balance              $354,559,225.94

Collected Principal                $9,123,112.41
Collected Interest                 $2,965,865.96
Charge - Offs                        $533,508.96
Liquidation Proceeds/Recoveries      $497,069.54
Servicing                            $303,513.21
Cash Transfer from Reserve Account         $0.00
Total Collections Available
  for Debt Service                $12,282,534.70

Beginning Balance                $364,215,847.31            $0.00  $69,968,292.65  $132,000,000.00  $149,500,000.00  $12,747,554.66

Interest Due                       $1,869,499.75            $0.00     $335,700.09      $682,000.00      $784,875.00      $66,924.66
Interest Paid                      $1,869,499.75            $0.00     $335,700.09      $682,000.00      $784,875.00      $66,924.66
Principal Due                      $9,656,621.37            $0.00   $9,318,639.62            $0.00            $0.00     $337,981.75
Principal Paid                     $9,656,621.37            $0.00   $9,318,639.62            $0.00            $0.00     $337,981.75

Ending Balance                   $354,559,225.94            $0.00  $60,649,653.03  $132,000,000.00  $149,500,000.00  $12,409,572.91
Note / Certificate Pool Factor                             0.0000          0.6452           1.0000           1.0000          0.7091
   (Ending Balance / Original Pool Amount)
Total Distributions               $11,526,121.12            $0.00   $9,654,339.71      $682,000.00      $784,875.00     $404,906.41

Interest Shortfall                         $0.00            $0.00           $0.00            $0.00            $0.00           $0.00
Principal Shortfall                        $0.00            $0.00           $0.00            $0.00            $0.00           $0.00
     Total Shortfall                       $0.00            $0.00           $0.00            $0.00            $0.00           $0.00
      (required from Reserve)
Excess Servicing                     $756,413.58
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance    $19,971,605.45
(Release) / Draw                  ($1,357,246.09)
Ending Reserve Acct Balance       $18,614,359.36
</TABLE>


<PAGE>


Exhibit 20.6
Page 3 of 3

Navistar Financial 1997 - B Owner Trust



Trigger Events:
A)  Loss Trigger
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION>
                                   5                 4                  3                  2                 1
                                Apr-98            May-98             Jun-98             Jul-98            Aug-98
<S>                        <C>              <C>                  <C>                <C>                <C>
Beginning Pool Balance     $416,657,273.79    $403,946,961.02    $389,937,284.97    $376,910,588.41    $364,215,847.31

A)  Loss Trigger:
    Principal of Contracts
      Charged Off              $770,176.40        $542,695.47        $772,265.78        $802,364.56        $533,508.96
    Recoveries               $1,225,572.81        $557,628.06        $669,359.85        $472,338.50        $497,069.54

Total Charged Off (Months 5, 4, 3)              $2,085,137.65
Total Recoveries (Months 3, 2, 1)               $1,638,767.89
Net Loss / (Recoveries) for 3 Mos                 $446,369.76(a)

Total Balance (Months 5, 4, 3)              $1,210,541,519.78(b)

Loss Ratio Annualized  [(a/b) * (12)]                0.44248%

Trigger:  Is Ratio > 1.5%                                  No
                                                                     Jun-98             Jul-98            Aug-98

B)   Delinquency Trigger:                                          $2,811,483.57      $3,631,674.49      $2,940,241.86
     Balance delinquency 60+ days                                       0.72101%           0.96354%           0.80728%
     As % of Beginning Pool Balance                                     0.75022%           0.84949%           0.83061%
     Three Month Average

Trigger:  Is Average > 2.0%                                No

C)   Noteholders Percent Trigger:                    3.72291%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                                No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer


<PAGE>


Exhibit 20.7
Page 1 of 3

                    Navistar Financial 1998 - A Owner Trust

                    Distribution Date of September 15, 1998
                            Servicer Certificate #4

<TABLE>
<S>                                                       <C>
Original Pool Amount                                      $500,864,370.04



Beginning Pool Balance                                    $459,034,334.29
Beginning Pool Factor                                           0.9164843

Principal and Interest Collections:
     Principal Collected                                   $11,122,969.32
     Interest Collected                                     $3,623,120.94

Additional Deposits:
     Repurchase Amounts                                             $0.00
     Liquidation Proceeds / Recoveries                        $821,318.94
Total Additional Deposits                                     $821,318.94

Repos / Chargeoffs                                          $1,103,290.85
Aggregate Number of Notes Charged Off                                  64

Total Available Funds                                      $15,546,357.78

Ending Pool Balance                                       $446,829,125.54
Ending Pool Factor                                              0.8921160

Servicing Fee                                                 $382,528.61

Repayment of Servicer Advances                                 $21,051.42

Reserve Account:
     Beginning Balance  (see Memo Item)                    $21,062,228.73
     Target Percentage                                               5.25%
     Target Balance                                        $23,458,529.09
     Minimum Balance                                       $10,017,287.40
     (Release) / Deposit                                      ($94,792.24)
     Ending Balance                                        $20,967,436.49

Current Weighted Average APR:                                       9.542%
Current Weighted Average Remaining Term (months):                   46.97
</TABLE>

<TABLE>
<CAPTION>
Delinquencies                                            Dollars         Notes
<S>                             <C>                  <C>                 <C> 
     Installments:              1 - 30 days           $1,728,054.27      1,684
                                31 - 60 days            $376,011.81        358
                                60+  days                $94,782.64         76

     Total:                                           $2,198,848.72      1,697

     Balances:                  60+  days             $2,759,549.87         76

Memo Item - Reserve Account
     Prior Month                                     $20,283,178.20
+    Invest. Income                                      $94,792.24
+    Excess Serv.                                       $684,258.29
+    Transfer (to) / from Collections Account                 $0.00
     Beginning Balance                               $21,062,228.73
</TABLE>

<PAGE>


Exhibit 20.7
Page 2 of 3

Navistar Financial 1998 - A Owner Trust

<TABLE>
<CAPTION>
                                                                          NOTES
                                                      TOTAL             CLASS A            CLASS B
<S>                                           <C>                 <C>                 <C>
                                              $500,864,370.04     $483,334,000.00     $17,530,370.04
Original Pool Amount
Distributions:
     Distribution Percentages                                                96.50%              3.50%
     Coupon                                                                   5.94%              6.10%

Beginning Pool Balance                         $459,034,334.29
Ending Pool Balance                            $446,829,125.54

Collected Principal                             $11,101,917.90
Collected Interest                               $3,623,120.94
Charge - Offs                                    $1,103,290.85
Liquidation Proceeds / Recoveries                  $821,318.94
Servicing                                          $382,528.61
Cash Transfer from Reserve Account                       $0.00
Total Collections Avail for Debt Service        $15,163,829.17

Beginning Balance                              $459,034,334.29     $442,968,015.50     $16,066,318.79

Interest Due                                     $2,274,362.13       $2,192,691.68         $81,670.45
Interest Paid                                    $2,274,362.13       $2,192,691.68         $81,670.45
Principal Due                                   $12,205,208.75      $11,778,026.44        $427,182.31
Principal Paid                                  $12,205,208.75      $11,778,026.44        $427,182.31

Ending Balance                                 $446,829,125.54     $431,189,989.06     $15,639,136.48
Note / Certificate Pool Factor                                              0.8921             0.8921
   (Ending Balance / Original Pool Amount)
Total Distributions                             $14,479,570.88      $13,970,718.12        $508,852.76

Interest Shortfall                                       $0.00               $0.00              $0.00
Principal Shortfall                                      $0.00               $0.00              $0.00
     Total Shortfall                                     $0.00               $0.00              $0.00
      (required from Reserve)
Excess Servicing                                   $684,258.29
     (see Memo Item - Reserve Account)

Beginning Reserve Acct Balance                  $21,062,228.73
(Release) / Draw                                   ($94,792.24)
Ending Reserve Acct Balance                     $20,967,436.49
</TABLE>

<PAGE>


Exhibit 20.7
Page 3 of 3

Navistar Financial 1998 - A Owner Trust



Trigger Events:
A)  Loss Trigger
B)  Delinquency Trigger
C)  Noteholders Percent Trigger
<TABLE>
<CAPTION>
                                                5               4                    3                 2                   1
                                             Apr-98          May-98               Jun-98            Jul-98              Aug-98
<S>                                    <C>                <C>                <C>                <C>                <C>
Beginning Pool Balance                         N/A        $500,864,370.04    $488,059,586.49    $474,476,092.82    $459,034,334.29

A)   Loss Trigger:
Principal of Contracts Charged Off             N/A            $504,548.19        $658,542.49        $836,278.20      $1,103,290.85
Recoveries                                     N/A                  $0.00            $960.90         $47,843.20        $821,318.94

Total Charged Off (Months 5, 4, 3)             N/A
Total Recoveries (Months 3, 2, 1)      $870,123.04
Net Loss / (Recoveries) for 3 Mos              N/A(a)

Total Balance (Months 5, 4, 3)                 N/A(b)

Loss Ratio Annualized  [(a/b) * (12)]          N/A

Trigger:  Is Ratio > 1.5%                      N/A
                                                                                  Jun-98            Jul-98              Aug-98

B)   Delinquency Trigger:                                                      $1,060,566.38      $1,825,245.33      $2,759,549.87
     Balance delinquency 60+ days                                                   0.21730%           0.38469%           0.60116%
     As % of Beginning Pool Balance                                                 0.15265%           0.28088%           0.40105%
     Three Month Average

Trigger:  Is Average > 2.0%                     No

C)   Noteholders Percent Trigger:         4.18625%
     Ending Reserve Account Balance
     not less than 1% of Initial Aggregate
     Receivables Balance

Trigger:  Is Minimum < 1.0%                     No
</TABLE>

Navistar Financial Corporation


by: /s/ R. W. Cain
        R. W. Cain
        Vice President and Treasurer




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