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Caterpillar Excavator Sprocket in Olympia - We expect overnight shipping and handling on all parts and attachments for Caterpillar, Doosan, Hitachi, Hyundai, John Deere, and many other best-selling brands. We maintain easy access to thousands of businesses all around the world and are able to source all of your used and new equipment requirements. Jib Crane Models Jib cranes are made up of a trolley hoist on a horizontal load-bearing boom. This boom is attached to a pivoting vertical member and up to twenty feet long. Jib cranes could transport loads between any areas within the boom's arc of rotation. Light duty models are used within warehouses and factories for loads weighing as much as 5 tons. The web site BestJibCranes.com showcases the major kinds of jib cranes as being either wall-mounted, mast mounted or free-standing. Free Standing The free-standing jib crane models do not need any support from the building structure and can stand by themselves. The horizontal boom in this specific case is connected to a pivoting vertical column which is anchored firmly to the building floor. This kind of jib crane needs a foundation made of either steel or concrete and could rotate a full three hundred sixty degrees. Mast-Type The vertical column on the mast-type jib cranes are supported by pivot points at the top and the bottom. These pivots are connected to the building floor and the overhead steel structure. These jib-cranes offer 360 degrees of rotation with the benefit of not requiring the massive foundation required for free-standing units. Wall Mounted Wall mounted jib cranes are attached to the building wall rather than supporting a typical vertical column. These cranes provide a horizontal boom. These equipments offer up to 200 degrees of rotation and are ideal in places where the full three hundred sixty degree rotation is not required. There are two model varieties, depending on how the boom is supported. One of the kinds utilizes a tie rod which is attached from above the wall to the boom. The other type supports the boom from below by using a cantilever brace that is connected to the wall as well. To recover heavy items or to transport supplies to areas and places which are not usually accessible, boom trucks would utilize a winch. For instance, they are usually used to reach the top of a building, maneuvering supplies over a ditch or to a hillside. A large truck is outfitted with a boom winch. This is mounted in the bed of the truck and then it is capable of transporting construction items and other equipment from street-side to a specific location. There is one more boom truck configuration which is equipped with a cherry picker. This version allows arborists to easily access treetops. The Vehicle Terex's Stinger BT 3063 model has a reach of 113-feet and is outfitted with both outriggers and stabilizers. A boom truck can vary from an aerial work platform which is moved by a hydraulic lifting mechanism that is mounted on the bed, up to a Class 8 tractor-trailer rig with a bucket. It is also possible to have a customized boom lift made to meet the particular requirements of the buyer. Cherry Picker Bucket trucks are cherry pickers that could raise employees to great heights. Normally, cherry pickers or buckets transport employees from the ground up to high places like the sides of buildings, treetops, up utility poles or for fire department rescue and firefighting. Location The boom platform can be operated by remote from the truck'[s cab. Either the boom is mounted on the bed of a large truck or on a separate trailer. Larger booms need outriggers which horizontally extend from the truck in order to level out and stabilize the crane during its operation. Controls This type of boom truck has a cab-over-engine that has a control cluster which could move the boom from inside the cab. It is usually a panel in the boom itself on the side of the bed.