You already know this if you are the person responsible for repairing John Deere equipment for a shop, farm, or golf course. But, an authentic John Deere Tractor service manual PDF is a must-have item for the do-it-yourself mechanic. The free John Deere PDF operators manual is helpful for becoming familiar with the operation and minor maintenance of your John Deere. A factory John Deere Tractor service manual PDF is the only real choice. But even the finest piece of equipment will need service, repair, and regular maintenance.