John Deere 4000 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 4000 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 4000 20 Series Row-Crop Tractors & Parts List that need to be regularly serviced.
| Part | Hour Interval | Price | |
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| 1 – Oil Filter - Engine AR26350 | Every 200, before and after winter season, and each time oil is changed |
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| 1 – Primary Air Cleaner (For Gas) (S/N 201000-) AR39798 | Every Check every 10 hrs. Clean Every 200 hrs and as required |
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| 2 – Fuel Filter (Diesel) 125000-280000 AR44077 | Every Replace as required |
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| 1 – Primary Air Cleaner (For LP-Gas) (S/N 201000-) AR44774 | Every Check every 10 hrs. Clean Every 200 hrs and as required |
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| 1 – Primary Air Cleaner without Pre-Cleaner (For Gas and Diesel) (S/N 201000-) AR46976 | Every Check every 10 hrs. Clean Every 200 hrs and as required |
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| 2 – Fuel Filter (Diesel) (For 280001-) AR50041 | Every Replace as required |
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| 1 – Fuel Filter (Gas) (For 280001-) AR50141 | Every Replace as required |
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| 1 – Oil Filter - Transmission/Hydraulic AR75603 | Every Every 600 |
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| 1 – Primary Air Cleaner (For Diesel) (S/N 201000-) AT33363 | Every Check every 10 hrs. Clean Every 200 hrs and as required |
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| 1 – Sealing Washer Engine B3586R | Every 200, before and after winter season, and each time oil is changed |
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| 1 – Filter Element R27173 | Every Clean valve filter every 1200 hrs. |
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| 1 – Sealing Washer Transmission/Hydraulic R34733 | Every Every 600 |
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Commonly Used Parts for a John Deere 4000 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 4000 20 Series Row-Crop Tractors & Parts List, these are the typical parts that we see purchased for your model.
| Part | Price | |
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| Cool-Gard II TY26573 |
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| Torq-Gard TY26791 |
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| Hy-Gard TY6354 |
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As Needed Parts for a John Deere 4000 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 4000 20 Series Row-Crop Tractors & Parts List and can be used around your garage.
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