John Deere 490D 590D Hydraulic Excavator Owner Operator User Manual OMAT126018. This is in very good condition. Complete with no missing pages. Thanks for looking and good luck!!!!!!! The item “John Deere 490D 590D Hydraulic Excavator Owner Operator User Manual OMAT126018″ is in sale since Tuesday, April 24, 2018. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Heavy Equipment Manuals & Books”. The seller is “manualbasket” and is located in Fairfield, Iowa. This item can be shipped worldwide.