The Kubota B40 tractor primary engine air filter part number found is TA040-93230. Cross-reference filters include WIX 42080; Baldwin PA2020; Donaldson P181198. Service guidance is to check the air filter every 100 hours.
Primary air filterTA040-93230
Cross-referenceWIX 42080
Engine power30 hp
Service intervalCheck every 100 hours
Kubota B40 Air Filter Specs
Primary air filter part number
TA040-93230
Cross-reference filters
WIX 42080; Baldwin PA2020; Donaldson P181198
Replacement interval
Check every 100 hours
Number of air filter elements
2 elements (primary, pre-filter)
Engine horsepower
30 hp
Engine displacement
91.5 cu in (1.5 L)
Kubota B40 Air Filter Charts
Engine horsepower
This model
30 hp
Average
32 hp
Low
15 hp
High
60 hp
Engine displacement
This model
91.5 cu in
Average
95 cu in
Low
45 cu in
High
180 cu in
Air filter service interval
This model
100 hr
Average
100 hr
Low
50 hr
High
200 hr
Kubota B40 Air Filter FAQ
What air filter does the Kubota B40 use?
The primary engine air filter part number found for the Kubota B40 is TA040-93230.
What air filter cross-references fit the Kubota B40?
Cross-reference filters found for the Kubota B40 include WIX 42080; Baldwin PA2020; Donaldson P181198.
Can I use an aftermarket air filter on the Kubota B40?
The Kubota B40 has 3 cross-reference filters listed, starting with WIX 42080. Use them as aftermarket leads, not as a replacement for checking the original part number TA040-93230.
How often should the Kubota B40 air filter be checked or replaced?
The service guidance found for the Kubota B40 is to check the air filter every 100 hours. That matches the reference average of 100 hours used for this class.
How many air filter elements are listed for the Kubota B40?
This page confirms 2 elements (primary, pre-filter). No separate safety or pre-filter part number was found for this model, so inspect the actual air-cleaner housing before assuming it uses only one piece.
Why include engine specs on a Kubota B40 air filter page?
For the Kubota B40, the engine specs found are 30 hp, 91.5 cu in (1.5 L). This is useful context when comparing similar models, but not a substitute for checking the filter number TA040-93230.
Should I order the Kubota B40 air filter by size or part number?
The OEM-style number TA040-93230 should be the main lookup value for the Kubota B40; the cross-reference numbers are useful when shopping WIX, Baldwin, Donaldson or similar brands.
What should I confirm before buying a Kubota B40 air filter?
For the Kubota B40, confirm TA040-93230 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 kubotausa.com website before buying or fitting an air filter.
