John Deere 8440 and 8640 4wd Tractor Operator's OEM Manual OM-R67870 Issue A0

John Deere 8440 and 8640 4wd Tractor Operator's Manual.  Waterloo Tractor Works part number OM-R67870 issue A0.  These tractors were made from 1979 - 1982 and the issue number seems to indicate this is the original 1979 issue.  This is an authentic original OEM manual, not a reproduction like so many you see on eBay.  Condition is very good on covers and excellent/like new on the pages in the manual.  Nobody has ever written in or on this manual anywhere.  All pages are intact.  Please see the attached pictures of this manual you will receive.Buy with confidence, see my perfect feedback record! Will ship USPS Media Mail w/tracking.  PayPal payments only of course.  I only sell and ship to the lower 48 US states.