Stock Number: 212407
Make: JLG
Model: 1250AJP
Year: 2014


Stock Number: EQC004704
Make: JLG
Model: 1930ES
Year: 2011


Stock Number: 2-18-UEF6
Make: Misc
Model: FORKS


Stock Number: EQC004696
Make: JLG
Model: 1930ES
Year: 2011


Stock Number: 02-18-UET4
Make: Misc
Model: TIRES


Stock Number: 211821
Make: JLG
Model: 3246ES
Year: 2013


Stock Number: 2-01-205770
Make: CAT
Model: E5000-AC
Year: 2011


Stock Number: 207353
Make: Hyundai
Model: 80D-7E
Year: 2013


Stock Number: 207498
Make: Hyundai
Model: 20BT-7
Year: 2013


Stock Number: 232197
Make: WackerNeuson
Model: WK HI400HD D
Year: 2013


Stock Number: 208377
Make: CAT
Model: GC40K-LP-STR
Year: 2014


Stock Number: 208258
Make: Mitsubishi
Model: FD50N1
Year: 2014


 
Comedil Cranes

Comedil Cranes

Tower Cranes Grow to New Heights
In the 1950s in the tower crane industry, there were many important developments in the design of these big cranes. Many different manufacturers were started producing bottom slewing cranes with a telescoping mast. These kinds of machinery dominated the construction business for apartment block and office construction. Many of the leading tower crane manufacturers didn't utilize cantilever jib designs. Instead, they made the switch to luffing jibs and eventually, the use of luffing jibs became the regular method.

Manufacturers based in Europe were also really influential in the design and development of tower cranes. Construction areas on the continent were normally tight places. Relying on rail systems to move several tower cranes, ended up being very difficult and expensive. Some manufacturers were providing saddle jib cranes which had hook heights of 262 feet or 80 meters. These cranes were equipped with self-climbing mechanisms that enabled parts of mast to be inserted into the crane so that it can grow along with the structures it was constructing upwards.

The long jibs on these particular cranes also covered a larger work area. All of these developments resulted in the practice of building and anchoring cranes inside the lift shaft of a building. Then, this is the method which became the industry standard.

From the 1960s, the main focus on tower crane design and development started to cover a higher load moment, covering a larger job radius, climbing mechanisms and technology, faster erection strategies, and new control systems. Additionally, focus was spent on faster erection strategies with the most significant developments being made in the drive technology department, among other things.

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