EXHIBIT 23.1 ------------ INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM'S CONSENT We consent to the inclusion in this Registration Statement of Western Power & Equipment Corp. on Form S-1 amendment No. 2 (File No. 333-126854) of our report dated September 1, 2005, with respect to our audits of the financial statements of Western Power & Equipment Corp. as of July 31, 2005 and 2004 and for the years ended July 31, 2005, 2004, and 2003, and our report dated November 29, 2004, which includes an explanatory paragraph as to the Company's ability to continue as a going concern, with respect to our audits of the financial statements of Arizona Pacific Materials, LLC as of March 31, 2004 and 2003 and for each of the years then ended, which reports appear in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our firm under the heading "experts" in such Prospectus. /s/ Marcum & Kliegman LLP - ---------------------------------- MARCUM & KLIEGMAN LLP New York, New York November 28, 2005