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For tree nursery operations, tree spades are also sometimes mounted on excavators, though this is less common due to the weight capacity requirements of manipulating the machine along with an excavated tree. For transport on public roads, the spade tilts the tree to a near-horizontal position in order to clear overhead bridges and cables.
Raising a dump truck bed; Operating the mechanical arm on a bucket truck used by electrical maintenance personnel or cable TV maintenance crews; Operating a winch on a tow truck; Operating the compactor on a garbage truck; Operating a Boom/Grapple truck; Operating a truck mounted tree spade and lift-mast assembly
The main difference between a swing yarder and a tower yarder is that the upperworks is mounted on a large slewing bearing. This bearing permits the boom and cable system to be 'swung' across a setting without relocating the machine. An experienced operator uses timing and cable tension to swing the grapple to the desired location. In practice ...
A tree chipper or woodchipper [1] is a machine used for reducing wood (generally tree limbs or trunks) into smaller woodchips. They are often portable, being mounted on wheels on frames suitable for towing behind a truck or van. Power is generally provided by an internal combustion engine from 2 to 700 kilowatts (3 to 1,000 horsepower). There ...
Timberjack is a manufacturer of forestry machinery for both cut-to-length and whole tree logging, and was a subsidiary of John Deere from 2000 to 2006. History
12×14 Empire steam donkey in the UBC Malcolm Knapp Research Forest, Maple Ridge, British Columbia, Canada. A steam donkey or donkey engine is a steam-powered winch once widely used in logging, mining, maritime, and other industrial applications.
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