Feb 24, 2026 · Find 112 new & used JOHN DEERE 4020 Tractors for sale near you with prices ranging from $4,950 to $42,900 at TractorHouse.com

Find 50 used John Deere 4020 tractors for sale near you. Browse the most popular brands and models at the best prices on Machinery Pete.

Jun 18, 2025 · Serial number plate on the rear of the 4020 transmission case. FAQ: How to read a serial number table. *Publication contains known errors. TractorData is a family-owned small business …

Jul 4, 2024 · It often does not want to go forward - have to shift from reverse to forward a few times before it will go. However, once it is moving forward, it has all eight gears and I can shift up and …

Nov 8, 2025 · Discover the common problems with John Deere 4020 Powershift transmissions, including costs, maintenance tips, and user experiences.

Dec 9, 2025 · The John Deere 4020 is a well-regarded tractor, but it is not without its issues, particularly concerning the powershift transmission. Various studies and reports have highlighted these …

Transmission Control Valve Assembly - Power Shift for John Deere Tractor (s) 2520, 3020, 4000, 4020, 4040, 4230, 4240, 4430, 4440, 4620, 4630, 4640, 4840. Replaces John Deere OEM Number …

Dec 10, 2025 · Detailed John Deere 4020 tractor specs with horsepower, PTO power, hydraulics, dimensions, value, and real-world performance for farm work.

Quick demonstration of how a John Deere Powershift transmission works from a 4020.

The transmission of the John Deere 4020 is a power shift transmission, meaning it allows for easy and smooth shifting of gears without the need for clutching. This makes it convenient for operators to …