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2018 Skyjack SJ1056 Image
Stock Number: EQC012374
Make: Skyjack
Model: SJ1056
Year: 2018
2018 Skyjack SJ1056 Details
2015 Terex CTT 121A-5 TS16 Image
Stock Number: 600017
Make: Terex
Model: CTT 121A-5 TS16
Year: 2015
2015 Terex CTT 121A-5 TS16 Details
2007 Potain HDT80 Image
Stock Number: 600194
Make: Potain
Model: HDT80
Year: 2007
2007 Potain HDT80 Details
2013 Hyundai 110D-7E Image
Stock Number: EQU010604
Make: Hyundai
Model: 110D-7E
Year: 2013
2013 Hyundai 110D-7E Details
2012 Miller Big Blue 400D Image
Stock Number: 231276
Make: Miller
Model: Big Blue 400D
Year: 2012
2012 Miller Big Blue 400D Details
2008 Combilift C12000SL Image
Stock Number: EQU008108
Make: Combilift
Model: C12000SL
Year: 2008
2008 Combilift C12000SL Details
 
Comedil Construction Cranes

Comedil Construction Cranes

Crawler Crane
The crawler crane is a particular type of mobile crane which is available with either a lattice boom or a telescopic boom which moves upon crawler tracks. Because this unit is a self-propelled crane, it could move around a jobsite and completing tasks without much set-up. Due to their huge weight and size, crawler cranes are fairly expensive and even difficult to transport from one place to another. The crawler's tracks provide stability to the machine and enable the crane to work without utilizing outriggers, although, there are some models that do use outriggers. In addition, the tracks provide the movement of the equipment.

Early Mobile Cranes
The first mobile cranes were originally mounted to train cars. They moved along short rail lines which were specially made for the project. When the 20th century arrived, the crawler tractor evolved and this brought the introduction of crawler tracks to the agricultural business and the construction business. Not long after, the crawler tracks were adopted by excavators and this further showcased the equipment's versatility. It was not long after before crane manufacturers decided that the crawler track market was a safe bet.

The First Crawler Crane
Northwest Engineering, a crane manufacturer within the USA, was the first to mount its crane on crawler tracks during the 1920s. 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 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 within Fort Wayne, Indiana, the Speedcrane was 15 ton, steam-powered, wheel-mounted crane. During the year 1925, a company known as 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 produce it and go into business.

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