Start with the identification plate
Copy the model designation and product or serial number from the tractor itself. Photograph the plate and keep the original image with your ownership records. Note any separate identification on major attachments, since their documentation may be different.
Do not rely only on a hood decal or a sales advertisement. Record your market and the visible configuration so a dealer can help resolve an uncertain identification.
Choose the document for the job
John Deere provides access to operator manuals, technical manuals, and parts catalogs through its manuals and training resources. These are distinct documents. Start with the operator manual for routine use and the maintenance tasks it authorizes.
Check that the manual covers your serial-number range and equipment version. A document for a closely related model can be useful background, but should not supply guessed fluid specifications, adjustments, or service intervals for your tractor.
Build a small reference folder
Save the manual identification, dealer contact, service receipts, and the manuals for your implements together. Bookmark the maintenance schedule and safety sections before you need them. When a procedure calls for a trained technician, use the documentation to explain the problem to the service department rather than improvising a repair.