EXHIBIT 23.6 Consent of Appraiser We hereby consent to the references made to us and/or our appraisal by Hanover Equipment Trust 2001B, Hanover Compressor Company and Hanover Compression Limited Partnership under the headings "Prospectus Summary--The Operating Lease Transaction," "Risk Factors," and "The Equipment" in the Prospectus constituting a part of this Amendment No. 2 to Registration Statement on Form S-4. AMERICAN APPRAISAL ASSOCIATES, INC. By: /s/ Dale J. Egan -------------------------------- Name: Dale J. Egan Title: General Counsel Milwaukee, Wisconsin November 22, 2002