EXHIBIT 23.01

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration
Statements:

(1)  Registration Statement (Form S-3 No. 333-102350) of Wabash National
     Corporation

(2)  Registration Statement (Form S-8 No. 333-54714) pertaining to the 2000
     Stock Option and Incentive Plan of Wabash National Corporation

(3)  Registration Statement (Form S-8 No. 333-29309) pertaining to the 1992
     Stock Option Plan and Stock Bonus Plan of Wabash National Corporation

(4)  Registration Statement (Form S-8 No. 33-49256) pertaining to the 1992 Stock
     Option Plan of Wabash National Corporation

(5)  Registration Statement (Form S-8 No. 33-65698) pertaining to the 1993
     Employee Stock Purchase Plan of Wabash National Corporation

(6)  Registration Statement (Form S-8 No. 33-90826) pertaining to the Directors
     and Executives Deferred Compensation Plan of Wabash National Corporation

(7)  Registration Statement (Form S-8 No. 333-115682) pertaining to the 2004
     Stock Incentive Plan of Wabash National Corporation

of our reports dated February 28, 2005, with respect to the consolidated
financial statements of Wabash National Corporation, Wabash National Corporation
management's assessment of the effectiveness of internal control over financial
reporting, and the effectiveness of internal control over financial reporting of
Wabash National Corporation, included in this Annual Report (Form 10-K) for the
year ended December 31, 2004.



/s/ Ernst & Young LLP
Indianapolis, Indiana
February 28, 2005