Comedil Construction Cranes Arlington

Crawler Crane

The mobile crawler crane is specific crane made with either a telescopic boom or a lattice boom. These move upon the crawlers tracks. Since this crane is self-propelled, it can move around particular work sites without the need for a lot of set up. Due to their huge size and weight, crawler cranes are fairly pricey and even difficult to transport from one site to another. The crawler's tracks offer the equipment stability and enable the crane to work without using outriggers, however, there are several models which do use outriggers. Moreover, the tracks provide the machine's movement.



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 business and the construction industry. Not long after, excavators adopted the crawler tracks and this further showcased the machine's versatility. It was not long after when crane manufacturers decided that the crawler track market was a safe bet.



The First Crawler Crane

Around the 1920s, Northwest Engineering, a crane company within the USA, mounted its 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 mid-1920s, crawler tracks had become the preferred means of traction for heavy crane uses.



The Speedcrane

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

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