A stump grinder is a machine to chip the leftover trunks and roots of the trees left after cutting them. A typical stump grinder can come in the size of a lawnmower or a heavy-duty truck as per the size of the trunks you want to chip.

Commercial Stump Grinder

A stump grinder is composed of a cutting wheel with teeth made of carbide. There are hydraulic cylinders to control the movement of the cutting wheel. The cutter wheel is pushed through the stumps and they cut the stumps and the roots out of the ground. The cutting wheels mostly move vertically to chip the stems down. Some of the other stump grinders are also available in the tractors and other machinery used in the field of forestry or agriculture.

The commercial stump grinders are very much in use in the sectors of the forestry department. In the case of cutting the huge logs of the forest, these stump grinders are the most useful tools. They can cut a log of 20-inches within minutes. Other than the forestry department, these commercial stump grinders are widely used in the tree servicing, landscaping sectors.

Stump Grinder Machine

As per the so far discussion, the stump grinder machine is a machine to cut down and grind the leftover tree trunks from the ground. The machine can chip these trunks at once to make a place for the new tree plantation projects. The cheaper is actually a disk with carbide teeth, rotating at a very high speed to cheap down the leftover trunks. It moves both vertically and horizontally to remove the roots as well. You will see the vertical stump grinders mostly in the forests. They generally work with engines with 70 to 300 horsepower and can cut down a trunk with 150 cm diameter permanently.

What Happens to Roots after Stump Grinding?

After you grind the stumps with a stump grinder and don’t uproot the rest, then the roots will automatically decay inside the ground.  But they will take a lot of time to decompose. So if you want to get rid of the roots as well, you can dig up the place and take them out of the ground. You need to dig the dust out of the area and plat some grass over there. This will help to restore the nitrogen deficiency of the place. Many people ask the question of whether the roots still grow after you cut the tree. But actually, they don’t.

●      DIY Stump Grinder

If you want to make a stump grinder at your home, then you can consider your lawnmower as the primary option. You can use a hard blade instead of the grass cutting one to make a DIY stump grinder.

How Long does it Take to Grind a Stump with a Stump Grinder?

The time needed to grind a stump depends on various factors.

  • The size of the stump grinder is the main factor in it. A commercial stump grinder with the maximum power will grind a bog log in minutes.
  • The efficiency of the stump grinder depends on the blade size. If the blade is capable enough to cut the trees and there are carbide blades, then they will cut down the stumps in seconds.

Is it Easy to Use a Stump Grinder?

Yes, absolutely. You just need to have a glass and gloves. You should hold the stump grinder with firm hands and your job is done.

How to Prepare the Stump?

You should remove all the stones, rocks, and hard debris from and around the stump as they can cause accidents.

How Much does it Cost?

It cost merely $250 to $ 400 per day on rent.


  • Stump grinders are very useful tools for the forestry departments.
  • Big logs can be ground within minutes by the perfect grinders.
  • You should protect yourself in each and every way before you grind the stumps.

How long does it take to grind a stump with a stump grinder?

How long will the stump grinding process take? For one stump, the process can take 15 minutes to 2 hours, depending on the size of the stump, the location, and more.

Is it easy to use a stump grinder?

This is a loud, powerful machine with a sophisticated hydraulic system, but it’s surprisingly simple to operate. But, before you crank up the motor and start grinding away, it’s important to prep the area for the stumpectomy. Use the hydraulic lever to raise the cutting wheel until it’s a few inches above the stump.

How do you prepare a stump for grinding?

Preparation. Rent a stump grinder from a local power equipment rental store and familiarize yourself with any operational directions before using. Make sure to put on safety gloves and glasses before working on the stump. To prepare the area around the stump, remove any rocks surrounding the base.

Is it better to grind a stump or remove it?

The stump removal process is the more intrusive of the two. Grinding is much more efficient than stump removal, however, it does leave the tree’s roots behind. If the stump is large, the chip pile produced can also be quite large, but the chips can be used as mulch for other plants in your landscape.

Do stump grindings attract termites?

It is a myth to say that termites are attracted to wood chips. However, it is not uncommon to find termites in a stump, as their job is to decompose wood. For this reason, it is commonly recommended that any mulch created by wood chippings from stump grindings be used at least two feet away from your home’s foundation.

Can you grind a stump with a chainsaw?

Things You‘ll Need

Use your chainsaw to grind down the leftover stump. A chainsaw, however, can grind up a stump and leave it all but gone; still, you can‘t use a chainsaw to completely grind away a stump. After much of the stump is gone, however, dirt and other material can cover the stump so it won’t be noticed.

Why does my chainsaw chain dull so quickly?

Is it worth sharpening a chainsaw chain?

Does Cutting Wet Wood Dull a Chainsaw? Using your chainsaw to cut through wet wood will not dull the chain any faster than using it for other types of wood.

How long should logs dry before sawing?

If your chain dulls quickly, then it could be a couple of things. Your chain will cut too deep or barely cut at all if your rakers or depth gauges are filed down too much or not enough, respectively. Get yourself a depth gauge appropriate for your saw and use it every time you sharpen your chain.

How long do you cut logs for sawmill?

Using a dull chain saw to cut down a tree makes the job much more difficult. It is worth the time to pause and sharpen your blade as it dulls. This fixed base sharpening restores the angle of the blade to the exact specifications while filing by hand is never 100% accurate.

How long do you let logs sit before milling?

You should seal the ends within minutes after being cut down; you should not wait hours, and definitely not days! The drying time will vary depending on the wood species and thickness of the logs, but they will take at least one to two years to dry – the longer you can leave them before you start building the better.

Why do sawmills keep logs wet?

You will want to cut another groove at 4 or 6 inches from the 2-foot mark so that you can measure the extra length that is required by the mill. Most mills require the logs to be at least 4 inches longer than the exact length to account for any mistakes in cutting.

How do you keep wood under water?

The cooler temps will help slow things down. Some logs you may want to pull to the side and let set for a couple of years. I would pile all of the maple and sycamore for atleast a 18 month sit. You can have a year or so on the oaks.

Are portable sawmills worth it?

When logs must be stored for long periods at temperatures above freezing, it is best to keep logs soaking wet. Storing logs under sprinklers or in a log pond helps prevent end checking and slows deterioration caused by insects, fungal stain, and decay. However, chemical staining can occur under wet conditions.

Why are submerged logs valuable?

There are three surefire ways to waterproof your wood for years to come.
  1. Use linseed or Tung oil to create a beautiful and protective hand-rubbed finish.
  2. Seal the wood with coating of polyurethane, varnish, or lacquer.
  3. Finish and waterproof wood simultaneously with a stain-sealant combo.

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