2016 TAYLOR TXH350L Image
Stock Number: EQU020041
Make: TAYLOR
Model: TXH350L
Year: 2016
2016 TAYLOR TXH350L Details
2012 Manitou 48" Forks Image
Stock Number: ATT203
Make: Manitou
Model: 48" Forks
Year: 2012
2012 Manitou 48" Forks Details
2011 JLG Truss Jib 12' Image
Stock Number: ATT159
Make: JLG
Model: Truss Jib 12'
Year: 2011
2011 JLG Truss Jib 12' Details
2010 Capacity TJ5000 DOT Image
Stock Number: EQU012898
Make: Capacity
Model: TJ5000 DOT
Year: 2010
2010 Capacity TJ5000 DOT Details
2016 JLG 450AJ Image
Stock Number: 300714
Make: JLG
Model: 450AJ
Year: 2016
2016 JLG 450AJ Details
2015 FrostFighter IDF350 Image
Stock Number: EQC003202
Make: FrostFighter
Model: IDF350
Year: 2015
2015 FrostFighter IDF350 Details
 
Used Terex Tower Cranes Tacoma

Used Terex Tower Cranes Tacoma

Early Crane Evolution
More than 4000 years ago, early Egyptians created the very first recorded version of a crane. The original device was called a shaduf and was initially used to transport water. The crane was made out of a pivoting long beam that balanced on a vertical support. On one end a heavy weight was attached and on the other end of the beam, a bucket was attached.

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 long wooden beam which 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 that had a drum with a rope that wrapped around it. This rope additionally had a hook that carried the weight and was connected to a pulley at the top of the boom.

Cranes were utilized extensively in the Middle Ages to make the huge cathedrals within Europe. These devices were also designed to unload and load ships within key ports. Over time, significant developments in crane design 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, therefore greatly increasing the equipment's range of motion. After the 16th century, each side of a rotating housing that 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 internal combustion or IC engines emerged. Cranes also became designed out of steel and cast iron rather than wood. The new designs proved longer lasting and more efficient. They could obviously run longer also with their new power sources and thus carry out larger tasks in less time.

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