Quick answer:
The John Deere 6R 175 tractor primary engine air filter part number found is RE45827. Filter dimensions found include Inner diameter: 3.47 in / 88 mm. Service guidance is to replace the air filter every 500 hours.
Primary air filterRE45827
Filter sizeInner diameter: 3.47 in / 88 mm
Engine power173 hp
Service intervalReplace every 500 hours
John Deere 6R 175 Air Filter Specs
| Primary air filter part number | RE45827 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | M96846 |
| Air filter size | Inner diameter: 3.47 in / 88 mm |
| Inner diameter | 3.47 in / 88 mm |
| Replacement interval | Replace every 500 hours |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 173 hp |
| Engine displacement | 415 cu in (6.8 L) |
John Deere 6R 175 Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
Air filter service interval
John Deere 6R 175 Air Filter FAQ
| What air filter does the John Deere 6R 175 use? | The primary engine air filter part number found for the John Deere 6R 175 is RE45827. |
|---|---|
| What size is the John Deere 6R 175 air filter? | The air filter dimensions found for the John Deere 6R 175 are Inner diameter: 3.47 in / 88 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How often should the John Deere 6R 175 air filter be checked or replaced? | The service guidance found for the John Deere 6R 175 is to replace the air filter every 500 hours. That is longer than the reference average of 100 hours for this class, so still shorten the interval when the machine is used in heavy dust. |
| How many air filter elements are listed for the John Deere 6R 175? | This page lists a primary filter, a safety filter and a pre-filter: 3 elements (primary, secondary, pre-filter). Replace each only with the matching part number for that position. |
| Why include engine specs on a John Deere 6R 175 air filter page? | Engine specs found for the John Deere 6R 175 include 173 hp, 415 cu in (6.8 L). Those specs help identify the tractor class, but the air filter should still be matched by part number RE45827. |
| Should I order the John Deere 6R 175 air filter by size or part number? | For the John Deere 6R 175, use RE45827 as the main buying number and use the dimensions value of Inner diameter: 3.47 in / 88 mm only as a secondary fit check. |
| What should I confirm before buying a John Deere 6R 175 air filter? | For the John Deere 6R 175, confirm RE45827 against John Deere parts information and use the listed dimensions of Inner diameter: 3.47 in / 88 mm as a physical check. |
Official information note
Air filter fit can change by engine, serial number, production year and air-cleaner housing. Check the operator manual, parts manual and official deere.com website before buying or fitting an air filter.

