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 in the Prospectus constituting a part of this Registration Statement on Form S-4. AMERICAN APPRAISAL ASSOCIATES, INC. By: /s/ Dale J. Egan -------------------------------- Name: Dale J. Egan Title: General Counsel Milwaukee, Wisconsin December 21, 2001