Consent of Independent Registered Public Accounting Firm


We consent to the reference to our firm under the caption "Experts" and to the
use of our report dated February 5, 2004, in Amendment 1 to the Registration
Statement (Form S-3) and related Prospectus of Wabash National Corporation for
the registration of 3,450,000 shares of its common stock.

We also consent to the incorporation by reference of our report dated February
5, 2004 with respect to the Consolidated Financial Statements of Wabash National
Corporation included in its Annual Report (10-K, as amended) for the year ended
December 31, 2003, filed with the Securities and Exchange Commission.



Indianapolis, Indiana
October 19, 2004