Used Hydraulic tank from 1998 Mack DM 690S Garbage truck. Unknown where located on frame, possibly in rear behind cab. 75 Gallon capacity is a Guess, tank is not marked. Appears to have a small air valve set on bottom of tank. Also, the frame mount has been cut with torch for removal from truck, so another mount may be needed. See all photos and feel free to call or email us with any questions. We Ship Anywhere! Thank you for looking.