Quick answer:
The John Deere 285 tractor primary engine air filter part number found is AT65296. Filter dimensions found include Outer diameter: 6.83 in / 173 mm; Inner diameter: 3.48 in / 88 mm.
Primary air filterAT65296
Filter sizeOuter diameter: 6.83 in / 173 mm
Engine power18 hp
John Deere 285 Air Filter Specs
| Primary air filter part number | AT65296 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | M88571 |
| Air filter size | Outer diameter: 6.83 in / 173 mm; Inner diameter: 3.48 in / 88 mm |
| Outer diameter | 6.83 in / 173 mm |
| Inner diameter | 3.48 in / 88 mm |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine model | Kawasaki FD590V |
| Engine horsepower | 18 hp |
| Engine displacement | 35.7 cu in (0.58 L) |
John Deere 285 Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
John Deere 285 Air Filter FAQ
| What air filter does the John Deere 285 use? | The primary engine air filter part number found for the John Deere 285 is AT65296. |
|---|---|
| What size is the John Deere 285 air filter? | The air filter dimensions found for the John Deere 285 are Outer diameter: 6.83 in / 173 mm; Inner diameter: 3.48 in / 88 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How many air filter elements are listed for the John Deere 285? | 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 285 air filter page? | Engine specs found for the John Deere 285 include 18 hp, 35.7 cu in (0.58 L). Those specs help identify the tractor class, but the air filter should still be matched by part number AT65296. |
| Should I order the John Deere 285 air filter by size or part number? | Buy by AT65296 first for the John Deere 285. The dimensions value is useful for checking an aftermarket listing before ordering. |
| What should I confirm before buying a John Deere 285 air filter? | For the John Deere 285, confirm AT65296 against John Deere parts information and use the listed dimensions of Outer diameter: 6.83 in / 173 mm; Inner diameter: 3.48 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.

