SHOP BENCH PARTING OUT 1980 8640 4 WHEEL DRIVE, QUAD TRANSMISSION, SN 003956.  UP FOR AUCTION, JOHN DEERE  8640 CONTROL SUPPORT COVER P.N AR78570... I WILL STAND BEHIND IT, NO BREAKS OR WELDS, IT LOOKS GOOD!.YOU PAY SHIPPING, USA BUYERS ONLY! GOOD LUCK DEERE HUNTING!  IF YOU WANT TO SAVE ON THE SHIPPING COST AND COME PICK UP PARTS IN PERSON PLEASE DO SO, JUST CALL IN ADVANCE FOR PICK-UP TIME. EMAIL FOR QUOTE. THANKS JOHN