John Deere 6420 Tractor 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 6420 Tractor & 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 6420 Tractor & Parts List that need to be regularly serviced.
| Part | Hour Interval | Price | |
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| 1 – Hydraulic Oil Filter (with 25/41cm resp 1.53/2.50 inch hydraulic pump) (without JD IVT) AL118036 | Every Replace after 100 hours then every 750 hours. |
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| 1 – Hydraulic Filter Element (with JD IVT) (S/N - 376493) AL118321 | Every Replace after 100 hours then every 750 hours. |
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| 1 – Engine Safety Element Air Filter AL150288 | Every Replace every 1500 hours or every 2 years and as required. |
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| 1 – Engine Fuel Filter AL153517 | Every Replace every 500 hours. |
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| 1 – Transmission Oil Filter (without JD IVT) AL156625 | Every Replace after 100 hours then every 750 hours. |
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| 1 – Cab Kit, Activated Carbon Filter AL158986 | Replace every 500 hours, once every year and as required. |
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| 1 – Engine Main Cartridge Air Filter AL172780 | Every Replace every 1500 hours or every 2 years and as required. |
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| 2 – Cab Air Filter - Standard AL177184 | Every Replace every 1500 hours or every 2 years and as required. |
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| 2 – Cab Fresh Air Filter - Heavy Duty AL177185 | Every Replace every 1500 hours or every 2 years and as required. |
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| 1 – Hydraulic Filter Element (with 27cm/1.65 inch hydraulic pump) (S/N - 366729) AL203060 | Every Replace after 100 hours then every 750 hours. |
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| 1 – Hydraulic Filter Element (with inch hydraulic pump) (S/N 366730-) AL203061 | Every Replace after 100 hours then every 750 hours. |
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| 1 – Oil Filter Front PTO L114404 | Every Replace every 750 hours. |
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| 2 – Cab Recirculation Air Filter (with air conditioning system; not for Advantage tractors) L155288 | Every Replace every 1500 hours or every 2 years and as required. |
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| 1 – Engine Oil Filter RE504836 | Replace after 100 hours, then every 500 hours. |
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| 1 – Engine Main Fuel Filter Element (S/N 800000-) RE509031 | Every Replace every 500 hours. |
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| 1 – Engine Filter Element for Fuel Pre-Filter (S/N 800000-) RE509208 | Every Replace every 500 hours. |
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| 1 – Engine Fuel Filter (S/N - 799999) RE62419 | Every Replace every 500 hours. |
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Commonly Used Parts for a John Deere 6420 Tractor & 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 6420 Tractor & Parts List, these are the typical parts that we see purchased for your model.
| Part | Price | |
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| Cool-Gard Plus-50 |
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| Hy-Gard TY26575 |
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| TY6354 |
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As Needed Parts for a John Deere 6420 Tractor & Parts List
Regardless of your John Deere model, these John Deere parts are used frequently in maintaining and your John Deere 6420 Tractor & Parts List and can be used around your garage.
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