The John Deere 6400 tractor primary engine air filter part number found is AL78030. Cross-reference filters include WIX 46478; NAPA 6478; Baldwin PA2020; Donaldson P181052; more listed below. Filter dimensions found include Height: 10.5 in / 267 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 2.5 in / 64 mm.
Primary air filterAL78030
Cross-referenceWIX 46478
Filter height10.5 in / 267 mm
Engine power100 hp
John Deere 6400 Air Filter Specs
Primary air filter part number
AL78030
Secondary / safety air filter
AH212295
Cross-reference filters
WIX 46478; NAPA 6478; Baldwin PA2020; Donaldson P181052; FRAM CA10180
Air filter size
Height: 10.5 in / 267 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 2.5 in / 64 mm
Filter height
10.5 in / 267 mm
Outer diameter
6.5 in / 165 mm
Inner diameter
2.5 in / 64 mm
Number of air filter elements
2 elements (primary, secondary)
Engine horsepower
100 hp
Engine displacement
274.6 cu in (4.5 L)
John Deere 6400 Air Filter Charts
Air filter dimensions
Height
10.5 in
Outer diameter
6.5 in
Inner diameter
2.5 in
Engine horsepower
This model
100 hp
Average
95 hp
Low
45 hp
High
175 hp
Engine displacement
This model
274.6 cu in
Average
250 cu in
Low
120 cu in
High
420 cu in
John Deere 6400 Air Filter FAQ
What air filter does the John Deere 6400 use?
The primary engine air filter part number found for the John Deere 6400 is AL78030.
What air filter cross-references fit the John Deere 6400?
Cross-reference filters found for the John Deere 6400 include WIX 46478; NAPA 6478; Baldwin PA2020; Donaldson P181052; FRAM CA10180.
Can I use an aftermarket air filter on the John Deere 6400?
The John Deere 6400 has 5 cross-reference filters listed, starting with WIX 46478. For aftermarket buying, compare brand part number, dimensions, seal shape and air-cleaner housing fit.
What size is the John Deere 6400 air filter?
The air filter dimensions found for the John Deere 6400 are Height: 10.5 in / 267 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 2.5 in / 64 mm. Use these dimensions as a fit check, but treat the part number as the main match.
How many air filter elements are listed for the John Deere 6400?
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 6400 air filter page?
The engine data kept for the John Deere 6400 is 100 hp, 274.6 cu in (4.5 L). Use it as supporting context only; the actual filter match is still driven by the air-cleaner housing and part number AL78030.
Should I order the John Deere 6400 air filter by size or part number?
For the John Deere 6400, start with the primary part number AL78030, then use the listed cross-references and the dimensions value as secondary checks before buying.
What should I confirm before buying a John Deere 6400 air filter?
For the John Deere 6400, confirm AL78030, at least one listed cross-reference, and the dimensions value of Height: 10.5 in / 267 mm; Outer diameter: 6.5 in / 165 mm; Inner diameter: 2.5 in / 64 mm against the actual filter before ordering.
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.
