| A.   | BALCAP                waives compliance with the provisions of Exhibit D to Master Purchase                Agreement, Section                (b), Financial Statement for the                period through and including the earlier of (i ) December                31, 2007                and (ii) the date on which Navistar Financial Corporation shall have                timely filed a report on Form 10-K or 10-Q with the Securities and                Exchange Commission. |
|----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| B.   | BALCAP                waives the condition precedent specified in clause l(b)(vi ) of Exhibit                B                to the Master Purchase Agreement as it relates directly to the failure                of                NFC or any of its affiliates to deliver or file any financial statement,                SEC report or related information during the period of the waiver                described above in Section A, ("Financial Statement Default"), so                long as                such other creditor has not declared an. event of default with respect                to                Navistar Financial Corporation or accelerated the debt of Navistar                Financial Corporation due to a Financial                Statement Default. |
|----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   | Very                truly yours, Banc                of America Leasing & Capital LLCBy:  /s/                DENNIS                MCGUSHIN              Dennis                McGushin              Senior                Vice President  By:       /s/                DENNIS                MCGUSHINName:    Dennis                McIts:          Senior                Vice Presiden |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----