The John Deere 111H tractor primary engine air filter part number found is AT20728.
Primary air filterAT20728
Engine power11 hp
John Deere 111H Air Filter Specs
Primary air filter part number
AT20728
Secondary / safety air filter
AN403919
Pre-filter
M96846
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine model
Briggs & Stratton
Engine horsepower
11 hp
Engine displacement
24.3 cu in (0.4 L)
John Deere 111H Air Filter Charts
Engine horsepower
This model
11 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
24.3 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere 111H Air Filter FAQ
What air filter does the John Deere 111H use?
The primary engine air filter part number found for the John Deere 111H is AT20728.
How many air filter elements are listed for the John Deere 111H?
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 111H air filter page?
For the John Deere 111H, the engine specs found are 11 hp, 24.3 cu in (0.4 L). This is useful context when comparing similar models, but not a substitute for checking the filter number AT20728.
Should I order the John Deere 111H air filter by size or part number?
For the John Deere 111H, use AT20728 as the main buying number. Model names can share similar parts, so confirm the serial range or engine before ordering.
What should I confirm before buying a John Deere 111H air filter?
For the John Deere 111H, confirm AT20728 against the parts manual or official John Deere lookup because air-cleaner parts can change by serial range.
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.
