Pecco Tower Cranes San Diego

Other KInds of Crawler-Mounted Cranes

In order to be able to power a large variety of machinery, industrial wheel tractors were adapted during the 1920s, by Fordson and McCormick-Deering. Like for instance, half-swing cranes and shovels were manufactured by several companies around the engine and power train of the tractor and the wheels became replaced by crawlers.



In the 1930s, crawler tractors came into widespread use. Soon after, numerous manufacturers started manufacturing attachments for them, like for example various lifting equipment devices.



Side-mounted booms for instance, were used mainly for pipe-laying at first and the equipment got the nickname "pipelayer." These types of equipments are currently normally used for attending to cleaning up railroad derailments. Because of their mobility, size and compact design, as well as outstanding lifting capacity, these machinery are ideal for this application. In addition, swing booms which mounted on top of the engine compartment also became available.



LIke a crawler tractor, crawler cranes travel on crawler tracks. Because of their intense weight, these machinery do not move very fast. Normally, the crane may be controlled by 2 or more cable operated drums and is powered by one engine. The crawler cranes are available with a lattice boom or a telescopic arm that can be extended easily using hydraulics. The lattice boom must be assembled by hand by adding many sections.



Tower Cranes

Typically found in big construction projects, tower cranes are required to be built and broken down on location. They should be transported by truck each time they are relocated. These tower cranes are exceptionally tall. They enable construction crews to move concrete building components or heavy steel to the tops of tall buildings. Tower cranes use a hydraulic system to push each and every new crane part up into position and therefore, are self-erecting.

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