John Deere 3940 and 3960 Forage Harvester - Parts Catalog
This is the complete parts catalog for the John Deere 3940 and 3960 forage harvester.
This parts book contains exploded parts views and product codes for every component of the 3940 and 3960 forage harvester. An absolute must if you are rebuilding, taking apart, or purchasing a part for your JD forage harvester.
Covers All Years and Serial Numbers - Other websites sell manuals that are incomplete or only cover a specific year of the machine. This manual is guaranteed to be complete and to cover your machine's model year and serial number.