Changing Oil on a 4020 John Deere Tractor.

This is a straightforward, hands-on walkthrough of a routine oil change on a 4020 John Deere, filmed step by step: draining the pan, checking the magnetic plug for shavings, swapping the filter, and refilling with 15W40 (2.5 gallons) using the dipstick to gauge the fill level. It's casual and unpolished, but it actually shows each step rather than just describing it. Best for owners wanting a basic, no-frills reference for this specific maintenance task.

Posted by the Olson's Midwest Hay channel, appearing to be an owner sharing a personal how-to from their own tractor work.