Quick answer:
The John Deere 6145M tractor primary engine air filter part number found is RE261960. Cross-reference filters include WIX 49010; NAPA 49010; Baldwin PA2020; Donaldson P621983. Filter dimensions found include Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm. Service guidance is to replace the air filter every 1, 500 hours.
Primary air filterRE261960
Cross-referenceWIX 49010
Filter height12.5 in / 318 mm
Engine power145 hp
Service intervalReplace every 1,500 hours
John Deere 6145M Air Filter Specs
| Primary air filter part number | RE261960 |
|---|---|
| Secondary / safety air filter | AN403919 |
| Pre-filter | M96846 |
| Cross-reference filters | WIX 49010; NAPA 49010; Baldwin PA2020; Donaldson P621983 |
| Air filter size | Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm |
| Filter height | 12.5 in / 318 mm |
| Outer diameter | 8.5 in / 216 mm |
| Inner diameter | 4.5 in / 114 mm |
| Replacement interval | Replace every 1, 500 hours |
| Number of air filter elements | 3 elements (primary, secondary, pre-filter) |
| Engine horsepower | 145 hp |
| Engine displacement | 274.6 cu in (4.5 L) |
John Deere 6145M Air Filter Charts
Air filter dimensions
Engine horsepower
Engine displacement
Air filter service interval
John Deere 6145M Air Filter FAQ
| What air filter does the John Deere 6145M use? | The primary engine air filter part number found for the John Deere 6145M is RE261960. |
|---|---|
| What air filter cross-references fit the John Deere 6145M? | Cross-reference filters found for the John Deere 6145M include WIX 49010; NAPA 49010; Baldwin PA2020; Donaldson P621983. |
| Can I use an aftermarket air filter on the John Deere 6145M? | The John Deere 6145M has 4 cross-reference filters listed, starting with WIX 49010. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit. |
| What size is the John Deere 6145M air filter? | The air filter dimensions found for the John Deere 6145M are Height: 12.5 in / 318 mm; Outer diameter: 8.5 in / 216 mm; Inner diameter: 4.5 in / 114 mm. Use these dimensions as a fit check, but treat the part number as the main match. |
| How often should the John Deere 6145M air filter be checked or replaced? | The service guidance found for the John Deere 6145M is to replace the air filter every 1, 500 hours. That is longer than the reference average of 200 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 6145M? | 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 6145M air filter page? | Engine specs found for the John Deere 6145M include 145 hp, 274.6 cu in (4.5 L). Those specs help identify the tractor class, but the air filter should still be matched by part number RE261960. |
| Should I order the John Deere 6145M air filter by size or part number? | Use RE261960 as the main match for the John Deere 6145M. The cross-reference list helps find aftermarket options, while the measured dimensions helps avoid ordering a filter that does not seat correctly. |
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.

