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John Deere 35G Mini Excavator, 500 Hour Service Interval Tasks – Part 6

Written by Luis Montes Updated On  March 06, 2026

A heavy-duty mechanic opens the engine bay door on a John Deere 35G excavator

Previously, we explained how to service the final drive on a John Deere 35G.

In this article, we’ll cover how to change the engine air filters as part of the 500 hour periodic maintenance tasks.

On the Tekamo HD YouTube channel, you can watch Keith, a heavy-duty mechanic expert, do the task.

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If you don’t have the time to perform the service yourself or want to enroll in a preventative maintenance program for your heavy equipment, contact Tekamo HD to schedule a heavy-duty mechanic.

Table of Contents

Remove Both Engine Air Filters

A heavy-duty mechanic removes the cap of the engine air filter housing on a John Deere 35G excavator

The air filters are in the engine bay, inside the canister shown above.

Undo the two clips holding the cap and remove it to uncover the filters. There’s one inside the other.

A heavy-duty mechanic removes the engine air filters on a John Deere 35G

Just wiggle and pull to pop them out.

Double-Check the New Filter Before Installation

As we often recommend, spend a few seconds double-checking the new and old filters. Compare the lengths, diameters, and sealing surfaces. If the filters aren’t the same and don’t seal properly, it’ll eventually cause severe engine damage.

A heavy-duty mechanic inspects engine air filters for a John Deere 35G

To install the inner filter, line it up with the housing, then gently push it in. Do the same with the outer filter. Give it a little twist while pushing to install it firmly.

Make sure to wipe dust and debris from the housing cap before reinstalling it.

A heavy equipment mechanic shows that the correct way to install the air filter housing cap on a John Deere 35G is with the dust valve pointing downwards

Install the cap with the dust valve pointing down. It is the escape route for dirt and debris that shake out of the primary filter while the engine is running.

Next Post

In the next and final article, we’ll cover how to properly change the rubber tracks on the John Deere 35G mini excavator.