The John Deere 3540 tractor primary engine air filter part number found is AT20728. Cross-reference filters include WIX 49010; NAPA 49010; Baldwin PA1667; Donaldson P181052; more listed below. Service guidance is to check the air filter every 50 hours.
Primary air filterAT20728
Cross-referenceWIX 49010
Engine power40 hp
Service intervalCheck every 50 hours
John Deere 3540 Air Filter Specs
Primary air filter part number
AT20728
Secondary / safety air filter
AN403919
Pre-filter
M96846
Cross-reference filters
WIX 49010; NAPA 49010; Baldwin PA1667; Donaldson P181052; FRAM CA10180
Replacement interval
Check every 50 hours
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine horsepower
40 hp
Engine displacement
134.3 cu in (2.2 L)
John Deere 3540 Air Filter Charts
Engine horsepower
This model
40 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
134.3 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
Air filter service interval
This model
50 hr
Average
100 hr
Low
50 hr
High
200 hr
John Deere 3540 Air Filter FAQ
What air filter does the John Deere 3540 use?
The primary engine air filter part number found for the John Deere 3540 is AT20728.
What air filter cross-references fit the John Deere 3540?
Cross-reference filters found for the John Deere 3540 include WIX 49010; NAPA 49010; Baldwin PA1667; Donaldson P181052; FRAM CA10180.
Can I use an aftermarket air filter on the John Deere 3540?
The John Deere 3540 has 5 cross-reference filters listed, starting with WIX 49010. Use them as aftermarket leads, not as a replacement for checking the original part number AT20728.
How often should the John Deere 3540 air filter be checked or replaced?
The service guidance found for the John Deere 3540 is to check the air filter every 50 hours. That is shorter than the reference average of 100 hours for this class, so it points to more frequent inspection rather than a long replacement-only interval.
How many air filter elements are listed for the John Deere 3540?
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 3540 air filter page?
The engine data kept for the John Deere 3540 is 40 hp, 134.3 cu in (2.2 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number AT20728.
Should I order the John Deere 3540 air filter by size or part number?
Start with AT20728 when checking fitment for the John Deere 3540. Cross-reference filters can save time, but should still match the housing and engine fitted to your machine.
What should I confirm before buying a John Deere 3540 air filter?
For the John Deere 3540, confirm AT20728 against the parts manual, then use the cross-reference list only after the OEM number matches.
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.
