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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
 
Terex Tower Cranes

Terex Tower Cranes

Early Crane Evolution
The very first recorded concept or kind of a crane was utilized by the early Egyptians over 4000 years ago. This device was called a shaduf and was utilized to transport water. The crane was made out of a pivoting long beam which balanced on a vertical support. On one end a heavy weight was attached and on the other end of the beam, a bucket was connected.

In the first century, cranes were built to be powered by animals or humans that were moving on a treadmill or a wheel. These cranes had a long wooden boom referred to as a beam. The boom was connected to a rotating base. The wheel or the treadmill was a power-driven operation which had a drum with a rope that wrapped around it. This rope additionally had a hook that lifted the weight and was connected to a pulley at the top of the boom.

Cranes were used extensively during the Middle Ages to build the huge cathedrals in Europe. These devices were also designed to unload and load ships within main ports. Eventually, major crane design advancements evolved. Like for example, a horizontal boom was added to and was referred to as the jib. This boom addition allowed cranes to have the ability to pivot, thus really increasing the range of motion for the machinery. Following the 16th century, each side of a rotating housing which held the boom incorporated two treadmills.

Even until the mid-19th century, cranes continued to rely on animals and humans for power. Once steam engines were developed, this all rapidly changed. At the turn of the century, electric motors as well as IC or internal combustion engines emerged. Cranes also became designed out of steel and cast iron rather than wood. The new designs proved more efficient and longer lasting. They can obviously run longer too with their new power sources and hence finish bigger tasks in less time.

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