The John Deere 3640 tractor primary engine air filter part number found is AL30394.
Primary air filterAL30394
Engine power90 hp
John Deere 3640 Air Filter Specs
Primary air filter part number
AL30394
Secondary / safety air filter
AN403919
Number of air filter elements
2 elements (primary, secondary)
Engine horsepower
90 hp
Engine displacement
238 cu in (3.9 L)
John Deere 3640 Air Filter Charts
Engine horsepower
This model
90 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
238 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere 3640 Air Filter FAQ
What air filter does the John Deere 3640 use?
The primary engine air filter part number found for the John Deere 3640 is AL30394.
How many air filter elements are listed for the John Deere 3640?
This page lists 2 elements (primary, secondary). That means the safety element should be treated separately from the outer primary air filter.
Why include engine specs on a John Deere 3640 air filter page?
For the John Deere 3640, the engine specs found are 90 hp, 238 cu in (3.9 L). This is useful context when comparing similar models, but not a substitute for checking the filter number AL30394.
Should I order the John Deere 3640 air filter by size or part number?
For the John Deere 3640, use AL30394 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 3640 air filter?
For the John Deere 3640, confirm AL30394 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.
