The Kubota KT280 tractor primary engine air filter part number found is 70000-11221. Filter dimensions found include Outer diameter: 3.28 in / 83 mm; Inner diameter: 0.44 in / 11 mm. Service guidance is to check the air filter every 100 hours.
Primary air filter70000-11221
Filter sizeOuter diameter: 3.28 in / 83 mm
Engine power27.6 hp
Service intervalCheck every 100 hours
Kubota KT280 Air Filter Specs
Primary air filter part number
70000-11221
Air filter size
Outer diameter: 3.28 in / 83 mm; Inner diameter: 0.44 in / 11 mm
Outer diameter
3.28 in / 83 mm
Inner diameter
0.44 in / 11 mm
Replacement interval
Check every 100 hours
Number of air filter elements
2 elements (primary, pre-filter)
Engine horsepower
27.6 hp
Engine displacement
91.5 cu in (1.5 L)
Kubota KT280 Air Filter Charts
Air filter dimensions
Outer diameter
3.28 in
Inner diameter
0.44 in
Engine horsepower
This model
27.6 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 KT280 Air Filter FAQ
What air filter does the Kubota KT280 use?
The primary engine air filter part number found for the Kubota KT280 is 70000-11221.
What size is the Kubota KT280 air filter?
The air filter dimensions found for the Kubota KT280 are Outer diameter: 3.28 in / 83 mm; Inner diameter: 0.44 in / 11 mm. Use these dimensions as a fit check, but treat the part number as the main match.
How often should the Kubota KT280 air filter be checked or replaced?
The service guidance found for the Kubota KT280 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 KT280?
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 KT280 air filter page?
For the Kubota KT280, the engine specs found are 27.6 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 70000-11221.
Should I order the Kubota KT280 air filter by size or part number?
Buy by 70000-11221 first for the Kubota KT280. The dimensions value is useful for checking an aftermarket listing before ordering.
What should I confirm before buying a Kubota KT280 air filter?
For the Kubota KT280, confirm 70000-11221 against the Kubota parts source and use the listed dimensions of Outer diameter: 3.28 in / 83 mm; Inner diameter: 0.44 in / 11 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 kubotausa.com website before buying or fitting an air filter.
