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John Deere 4020 20 Series Row-Crop Tractors Maintenance Guide & Parts List

Common sense goes a long ways when maintaining your machine. If you have extreme heat, dust, or terrain that you operate in you, service frequency will need to increase.

Service Schedule Parts for a John Deere 4020 20 Series Row-Crop Tractors & Parts List

While your John Deere machine is certainly built with quality parts, they have a limited life. Good news is you can easily service your machine yourself using a John Deere maintenance kit or service kits or by getting the specific John Deere part needed to keep your John Deere mower or tractor running for a long time. These are the parts on your John Deere 4020 20 Series Row-Crop Tractors & Parts List that need to be regularly serviced.

Part Hour Interval Price
1 – Oil Filter - Engine AR26350 Every 200, before and after winter season, and each time oil is changed Loading
1 – Primary Air Cleaner (For Gas) (S/N 201000-) AR39798 Every Check every 10 hrs. Clean Every 200 hrs and as required Loading
2 – Fuel Filter (Diesel) (S/N 125000-280000) AR44077 Every Replace as required Loading
1 – Primary Air Cleaner (For LP-Gas.) (S/N 201000-) AR44774 Every Check every 10 hrs. Clean Every 200 hrs and as required Loading
1 – Primary Air Cleaner without Pre-Cleaner AR46976 Every Check every 10 hrs. Clean Every 200 hrs and as required Loading
2 – Fuel Filter (Diesel) (S/N 280001-) AR50041 Every Replace as required Loading
1 – Fuel Filter (Gas) (S/N 280001-) AR50141 Every Replace as required Loading
1 – Oil Filter - Transmission/Hydraulic AR75603 Every Every 600 Loading
1 – Primary Air Cleaner (For Diesel) (S/N 201000-) AT33363 Every Check every 10 hrs. Clean Every 200 hrs and as required Loading
1 – Sealing Washer Engine B3586R Every 200, before and after winter season, and each time oil is changed Loading
1 – Filter Element R27173 Every Clean valve filter every 1200 hrs. Loading
1 – Sealing Washer Transmission/Hydraulic R34733 Every Every 600 Loading

Commonly Used Parts for a John Deere 4020 20 Series Row-Crop Tractors & Parts List

Outside of the schedule service intervals, you may need a part for a quick repair. While this is not an inclusive list of all the parts for a John Deere 4020 20 Series Row-Crop Tractors & Parts List, these are the typical parts that we see purchased for your model.

Part Price
Cool-Gard II TY26573 Loading
Torq-Gard TY26791 Loading
Hy-Gard TY6354 Loading

As Needed Parts for a John Deere 4020 20 Series Row-Crop Tractors & Parts List

Regardless of your John Deere model, these John Deere parts are used frequently in maintaining and your John Deere 4020 20 Series Row-Crop Tractors & Parts List and can be used around your garage.

Part Price

HMK Sale Extended!

This is no April Fools joke, the HMK Sale has been extended!! Spring Maintenance time is upon us, be sure to take advantage of this limited time deal, use coupon code HMKSALE25 at check out and receive 15% off of all John Deere Home Maintenance Kits. Now is the time to buy your fall kit as well, these will not go bad sitting on your shelf so why pay full price in the fall.