500 Hour Service Interval Guide for a John Deere 85G Excavator – Part 5

Written by Luis Montes Updated On November 15, 2024

Heavy-duty mechanic leans on a John Deere 85G mini excavator

In the last post, we changed the fuel and water separator filters.

You’ll learn to replace the cabin air filter in part 5 of the John Deere 85G 500-hour service interval tasks series.

We also have a video version on the Fortis HD YouTube channel. Check it out.

Need to save time? The following table shows every filter you need for the complete 500-hour service interval:

Item OEM Part Number
Aftermarket equivalent
Baldwin Donaldson Wix Blumaq
Hydraulic Return Oil Filter 4450002 PT9443 N/A N/A N/A
Hydraulic Breather Filter 4437838 PA5316 N/A N/A N/A
Engine Oil Filter MIU800650 B161-S P502051 51568 N/A
Fuel Filter MIU805005 BF9910 P553995 N/A N/A
Water Separator Filter MIU802421 N/A N/A N/A N/A
Water Fuel Separator Housing + Plastic Bowl MIA885254 N/A N/A N/A N/A
Pilot System Oil Filter 4630525 N/A N/A N/A N/A
Primary Engine Air Filter FYD00001541 N/A N/A N/A N/A
Secondary Engine Air Filter FYD00001327 N/A N/A N/A N/A
Cab Fresh Air Filter 4S00640R N/A N/A N/A N/A
Cab Recirculating Air Filter FYA00011003 N/A N/A N/A N/A
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Table of Contents

Remove the Worn Cabin Air Filter

Arrow pointing at the location of the cabin air filter on a John Deere 85G Excavator

The filter is on the left-hand side of the cabin seat.

First, remove the floor mat. You can tuck it under one of the foot pedals to hold it in place.

Undo four thumb screws holding the cover plate, and pinch the two clips to pull it out.

Wipe the housing of the cabin filter with a clean cloth to remove the dust, sand, and debris.

Install the New Filter

A heavy-duty mechanic holds a cabin air filter. An overlay arrow shows the airflow mark

There are two ways to know how to install the filter correctly:

  • The holding clips should point at you.
  • The filter has a mark showing the airflow.

Push the filter until it pops in. Reinstall the cover plate with its thumb screws, and put the floor mat back in its place.

Cabin air filter for a John Deere 85G Excavator

Next Post

In the next post, we’ll change the final drive oil of the John Deere 85G Excavator.

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If you don’t have the time to do the service yourself or want to get on a preventative maintenance program for your John Deere 85G, reach out to Tekamo HD to set you up with a heavy-duty mechanic.