Comedil Construction Cranes Long Beach

Crawler Crane

The crawler crane is a specific type of mobile crane that is offered with either a telescopic boom or a lattice boom which moves upon crawler tracks. Because this model is a self-propelled crane, it could move around a jobsite and accomplishing tasks without a lot of set-up. Because of their enormous weight and size, crawler cranes are are hard to transport from one location to another and are rather pricey. The crawler's tracks provide stability to the machine and enable the crane to function without the use of outriggers, although, there are several models which do use outriggers. As well, the tracks provide the movement of the machine.



Early Mobile Cranes

Originally, the very first mobile cranes were mounted to train cars and move along specially made short rail lines. When the 20th century arrived, the crawler tractor changed and this brought the introduction of crawler tracks to the construction business as well as the agricultural industry. Not long after, excavators adopted the crawler tracks and this further featured the machine's versatility. It was not long after when manufacturers of cranes decided that the crawler track market was a safe bet.



The Very First Crawler Crane

Around the 1920s, Northwest Engineering, a crane company in the United States, mounted its very first crane on crawler tracks. It described the new machine as a "locomotive crane, independent of tracks and moveable under its own power." By the middle part of the 1920s, crawler tracks had become the chosen means of traction for heavy crane operations.



The Speedcrane

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

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