John Deere 6M 145 Air Filter: Part Number, Size & Cross Reference

Quick answer:

The John Deere 6M 145 tractor primary engine air filter part number found is A166945. Service guidance is to replace the air filter every 1, 500 hours.

Primary air filterA166945
Engine power145 hp
Service intervalReplace every 1,500 hours

John Deere 6M 145 Air Filter Specs

Primary air filter part number A166945
Secondary / safety air filter AT542145
Pre-filter M76076
Replacement interval Replace every 1, 500 hours
Number of air filter elements 3 elements (primary, secondary, pre-filter)
Engine horsepower 145 hp
Engine displacement 415 cu in (6.8 L)

John Deere 6M 145 Air Filter Charts

Engine horsepower

This model

145 hp

Average

35 hp

Low

18 hp

High

66 hp

Engine displacement

This model

415 cu in

Average

100 cu in

Low

50 cu in

High

180 cu in

Air filter service interval

This model

500 hr

Average

100 hr

Low

50 hr

High

200 hr

John Deere 6M 145 Air Filter FAQ

What air filter does the John Deere 6M 145 use? The primary engine air filter part number found for the John Deere 6M 145 is A166945.
How often should the John Deere 6M 145 air filter be checked or replaced? The service guidance found for the John Deere 6M 145 is to replace the air filter every 1, 500 hours. That is longer than the reference average of 100 hours for this class, so still shorten the interval when the machine is used in heavy dust.
How many air filter elements are listed for the John Deere 6M 145? 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 6M 145 air filter page? For the John Deere 6M 145, the engine specs found are 145 hp, 415 cu in (6.8 L). This is useful context when comparing similar models, but not a substitute for checking the filter number A166945.
Should I order the John Deere 6M 145 air filter by size or part number? For the John Deere 6M 145, use A166945 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 6M 145 air filter? For the John Deere 6M 145, confirm A166945 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.