Comedil Construction Cranes Corpus Christi

Crawler Crane

The mobile crawler crane is specific crane designed with either a telescopic boom or a lattice boom. These move upon the crawlers tracks. Since this crane is self-propelled, it could move around particular work locations without the need for a lot of set up. Because of their huge size and weight, crawler cranes are are hard to transport from one site to another and are fairly pricey. The crawler's tracks offer the machinery stability and enable the crane to function without the use of outriggers, however, there are several units that do use outriggers. Also, the tracks provide the movement of the machinery.



Early Mobile Cranes

The very first mobile cranes were initially mounted to train cars. They moved along short rail lines that were specially made for the project. When the 20th century arrived, the crawler tractor changed and this brought the introduction of crawler tracks to the agricultural industry as well as the construction industry. Not long after, the crawler tracks were adopted by excavators and this further showcased the versatility of the machine. It was not long after before manufacturers of cranes decided that the crawler track market was a safe bet.



The Very First Crawler Crane

In the 1920s, Northwest Engineering, a crane manufacturer within the United States, mounted its first crane on crawler tracks. It described the new equipment as a "locomotive crane, independent of tracks and moveable under its own power." By the mid-1920s, crawler tracks had become the preferred means of traction for heavy crane uses.



The Speedcrane

Developed by Charles and Ray Moore of Chicago, Illinois; the Moore Speedcrane was amongst the first to attempt to replicate rail lines for cranes. Made within Fort Wayne, Indiana, the Speedcrane was a steam-powered, wheel-mounted, 15 ton crane. In 1925, a company referred to as Manitowoc Shipbuilding Co, from Manitowoc, Wisconsin recognized the tracked crane's marketability and potential. They decided to team up with the Moore brothers to be able to manufacture it and go into business.

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