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Terex Cranes Launches New CTT 321 Flat Top Tower Crane

Thu February 24, 2011 - National Edition
Construction Equipment Guide

Terex Cranes launched its new CTT 321 flat top tower crane, the latest 330 ton (300 t) addition to the company’s flat top tower crane offering.

The new Terex CTT 321 is produced at the company’s facilities in Fontanafredda, Italy, and represents “a step forward in flat top tower crane innovation,” according to Angelo Cosmo, manager product marketing, tower cranes.

“It offers advantages of simplified installation, transportation and maintenance in conjunction with excellent performance. The new operator cab and innovative options are tailored to match customers’ productivity expectations in the construction sector.”

About the Terex CTT 321 Flat Top Tower Crane

Combining compact design of the upper part with a 330 ton load moment, the Terex CTT 321 provides a maximum lifting capacity of 17. 6 tons (16 t) and a maximum jib length of 246 ft. (75 m). The main jib is adjustable at 16- ft. (5-m) intervals from 98 to 246 ft. (30 to 75 m).

Designed for easy installation and equipped with an optional anti-collision and zoning system, the new CTT 321 features a two-part counter jib to facilitate easy transportation. Transportable at a maximum length of 28.5 ft. (8.7 m), the counter jib can be mounted from the ground comfortably using the pins provided for jib assembly.

The new EVO15 operator cab on the CTT 321 provides operators with the enhanced visibility they require to perform their job safely. The EVO15 cab also provides crane operators with a comfortable working environment comprised of a full- color, anti-reflection, multi-language ICS display monitor, a new ergonomic joystick and a heating system that allows the operator to remain focused on the job. Another feature of the cab is a CD/radio. The cabin platform is pre-assembled for quick set-up at the job site.

This new model comes equipped with an anti-sway module, a slip-ring protection bar and rods and jib safety rope to protect technicians from falls when working at height. A trolley device has also been introduced to prevent the pulley rope from jumping the reeving track.

The inside cabin panel is equipped with new features and can be easily opened for maintenance. All electrical boxes are made from stainless steel for durability. Maintenance and spare parts management are monitored by an intelligent diagnostic system. A new automatic slewing ring greasing system comes as a standard feature.

Providing the power required for specific lifting operations, two different winch models (45 and 67 kW) are available.

An aerial jib and counterweight dismantling device is available as an option to help reduce operating costs and enlarge the application opportunities for the crane, e.g. for cooling towers.

The full Terex CTT flat top tower crane range includes a series of 26 models providing lifting capacities from 55 to 793 tons (50 to 720 t).

For more information visit

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