Pecco Tower Cranes Los Angeles

Various Types of Crawler-Mounted Cranes

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



Throughout the 1930s, crawler tractors came into widespread use. Soon after, many manufacturers began manufacturing attachments for them, such as a range of lifting machine devices.



Side-mounted booms for example, were utilized mainly for pipe-laying at first and the machinery got the nickname "pipelayer." These machinery are currently often used for attending to cleaning up railroad derailments. Due to their compact design, mobility and size, as well as excellent lifting capacity, these types of machines are great for this use. In addition, swing booms which mounted on top of the engine compartment also became available.



Similar to a crawler tractor, crawler cranes travel on crawler tracks. Due to their intense weight, these machines do not move very fast. Normally, the crane is powered by one engine and can be controlled by 2 or more cable operated drums. The crawler cranes are available with a lattice boom or a telescopic arm that is easy to extend by utilizing hydraulics. The lattice boom should be assembled by hand by adding many sections.



Tower Cranes

Usually found in large construction projects, tower cranes are required to be erected and broken down on location. They need to be transported by truck each and every time they are relocated. These tower cranes are exceptionally tall. They allow construction crews to transport concrete building parts or heavy steel to the tops of tall buildings. Tower cranes utilize a hydraulic system in order to push each and every new crane part up into place and hence, are self-erecting.

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