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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 mobile crawler crane is particular crane designed 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 are hard to transport from one location to another and are fairly costly. The crawler's tracks offer stability to the machine and enable the crane to work without utilizing outriggers, however, there are some models that do use outriggers. As well, the tracks provide the equipment's movement.

Early Mobile Cranes
Initially, the very first mobile cranes were mounted to train cars and move along specially built short rail lines. Once 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, excavators adopted the crawler tracks and this further showcased the machine's versatility. It was not long after when crane companies decided that the crawler track market was a safe bet.

The First Crawler Crane
Northwest Engineering, a crane company in the USA, was the very first to mount its crane on crawler tracks in the 1920s. 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 uses.

The Speedcrane
The Moore Speedcrane, developed by Ray and Charles Moore of Chicago, Illinois was amongst the first attempts to copy the rails for cranes. Made within Fort Wayne, Indiana, the Speedcrane was a steam-powered, wheel-mounted, 15 ton crane. In the year 1925, a company called Manitowoc Shipbuilding Co, from Manitowoc, Wisconsin recognized the potential and the marketability of the tracked crane. They decided to team up with the Moore brothers so as to manufacture it and go into business.

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