A stump grinder or stump cutter is a power tool or equipment attachment that removes tree stumps by means of a rotating cutting disk that chips away the wood.
Stump grinders can be the size of a lawn mower or as large as truck. Most accomplish their task by means of a high-speed disk with hardened teeth that chop/grind the stump and roots into small chips.
A typical stump grinder incorporates a cutter wheel with fixed carbide teeth. The cutter wheel movements are controlled by hydraulic cylinders to push the cutter wheel teeth laterally through the stump and to raise and lower the cutter wheel.
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