The John Deere 40C tractor primary engine air filter part number found is RE46310. Filter dimensions found include Height: 16.56 in / 421 mm; Outer diameter: 5.81 in / 148 mm; Inner diameter: 5.8 in / 147 mm.
Primary air filterRE46310
Filter height16.56 in / 421 mm
Engine power38 hp
John Deere 40C Air Filter Specs
Primary air filter part number
RE46310
Secondary / safety air filter
AN403918
Pre-filter
M77555
Air filter size
Height: 16.56 in / 421 mm; Outer diameter: 5.81 in / 148 mm; Inner diameter: 5.8 in / 147 mm
Filter height
16.56 in / 421 mm
Outer diameter
5.81 in / 148 mm
Inner diameter
5.8 in / 147 mm
Number of air filter elements
3 elements (primary, secondary, pre-filter)
Engine horsepower
38 hp
Engine displacement
103.7 cu in (1.7 L)
John Deere 40C Air Filter Charts
Air filter dimensions
Height
16.56 in
Outer diameter
5.81 in
Inner diameter
5.8 in
Engine horsepower
This model
38 hp
Average
35 hp
Low
18 hp
High
66 hp
Engine displacement
This model
103.7 cu in
Average
100 cu in
Low
50 cu in
High
180 cu in
John Deere 40C Air Filter FAQ
What air filter does the John Deere 40C use?
The primary engine air filter part number found for the John Deere 40C is RE46310.
What size is the John Deere 40C air filter?
The air filter dimensions found for the John Deere 40C are Height: 16.56 in / 421 mm; Outer diameter: 5.81 in / 148 mm; Inner diameter: 5.8 in / 147 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 40C?
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 40C air filter page?
For the John Deere 40C, the engine specs found are 38 hp, 103.7 cu in (1.7 L). This is useful context when comparing similar models, but not a substitute for checking the filter number RE46310.
Should I order the John Deere 40C air filter by size or part number?
For the John Deere 40C, use RE46310 as the main buying number and use the dimensions value of Height: 16.56 in / 421 mm; Outer diameter: 5.81 in / 148 mm; Inner diameter: 5.8 in / 147 mm only as a secondary fit check.
What should I confirm before buying a John Deere 40C air filter?
For the John Deere 40C, confirm RE46310 against John Deere parts information and use the listed dimensions of Height: 16.56 in / 421 mm; Outer diameter: 5.81 in / 148 mm; Inner diameter: 5.8 in / 147 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 deere.com website before buying or fitting an air filter.
