Publication Number: OMLVU19619. John Deere 4120. John Deere 4320. John Deere 4520. John Deere 4720. Manual Details.
Part Number: OMLVU23477. Manual Type: Owners Operators Manual. Which Manual do I need for my John Deere 4120, 4320, 4520, 4720 Tractors, Compact Utility w/o Cab?. Technical/Service Manual – Detailed guide for diagnosing, testing, and repairing the John Deere 4120, 4320, 4520, 4720 Tractors, Compact Utility w/o Cab, providing essential service information.