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Modern dual function grapple skidder. Grapple skidders use a loader crane boom with a hydraulic grapple bucket to grab and lift the timber. There are three types of 'fixed boom' grapple skidders. A single-function boom type has two hydraulic cylinders, only allowing the boom to lower in one position.
Grapple (tool), a hook or claw used to catch or hold something; Grapple skidder, type of heavy vehicle used in a logging operation for pulling cut trees out of a forest; Grapple truck, a truck that has a grapple loader mounted to its frame; Grapple (network layer), a free software package for adding multiplayer support to computer games and ...
Cable logging, also referred to as skyline logging, is a logging method primarily used on the West Coast of North America with yarder, loaders, and grapple yarders, but also in Europe (Austria, Switzerland, Czech Republic, France, Italy). The cables can be rigged in several configurations. There are two classes;
In addition, the bucket is almost over the operator's head and spillage over the back of the bucket can end up on top of the machine or in the operator's lap. Another downside of radial lift machines is that the large frame towers to which the loader arms are attached tend to restrict an operator's visibility to the rear and back corners of the ...
A grapple is a hook or claw used to catch or hold something. A ship's anchor is a type of grapple, especially the "grapnel" anchor.. A soldier loading a hook. A throwing grapple, kaginawa (or "grappling hook" ) is a multi-pronged hook that is tied to a rope and thrown/launched to catch a grip, as on a parapet or branch of a tree. [1]
The swing yarder is also known as a grapple yarder. In any logging operation, it is necessary to transport the harvested tree from the stump to a landing for transport to market (usually on a truck). If the ground is relatively flat it may be possible to transport the tree or logs cut from the tree on a wheeled or tracked machine.