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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
More than 4000 years ago, early Egyptians created the first recorded version of a crane. The original apparatus was referred to as a shaduf and was initially utilized to transport water. The crane was made out of a long pivoting beam which balanced on a vertical support. On one end a bucket was attached and on the other end of the beam, a heavy weight was connected.

Cranes which were built during the first century were powered by humans or by animals that were moving on a wheel or a treadmill. The crane consisted of a wooden long beam that was referred to as a boom. The boom was attached to a base that rotates. The treadmill or the wheel 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.

Within Europe, the huge cathedrals established during the Middle Ages were made using cranes. Cranes were also used to unload and load ships in main ports. Eventually, major crane design advancements evolved. For example, a horizontal boom was added to and was called the jib. This boom addition enabled cranes to have the ability to pivot, therefore greatly increasing the equipment's range of motion. Following the 16th century, cranes had included two treadmills on each side of a rotating housing that held the boom.

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

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