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 News Release
Jan. 18, 2008
New topless tower crane to be displayed at CONEXPO 2008
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| The MDT268 is the largest crane in Potain's redesigned MDT line. |
High Resolution Photograph
Manitowoc will introduce the latest topless tower crane from Potain to visitors at CONEXPO 2008, March 11-15 in Las Vegas. The MDT 268 is the largest crane in the redesigned MDT range. The crane has an improved reach and numerous features to simplify and speed up the erection and dismantle process. The crane is available in a J10 version with an 11 USt maximum capacity and a J12 version with a 13.2 USt maximum capacity.
As a topless crane with no cathead, the MDT 268 offers contractors greater space utilization on sites where multiple cranes are working or where height restrictions are an issue. The jib can also be erected section by section on tight jobsites where space is limited.
David Havard, global product manager for Potain, said the MDT 268 offers flexibility on a wide range of jobsites.
“The MDT 268 offers customers enhanced performance and should set new standards in ease and speed of erection,” he said. “It is well suited to city center construction. And because there are two versions with a variety of configurations, the crane can be tailored to a range of projects.”
Both versions of the MDT 268 have a 213 ft jib with the J10 version able to pick 2.9 USt at the jib end and the J12 version able to pick 2.8 USt. Several additional shorter jib options are available – for greater lifting capacity – down to an 82 ft jib where the J10 picks 10.5 USt at jib end and the J12 picks 10.3 USt.
The crane uses 6.5 ft x 6.5 ft mast sections and offers a maximum free-standing height of 228.7 ft when mounted on fixing angles or maximum height of 246 ft when mounted on a chassis.
Both versions of the crane offer hoist options. The J10 version comes with either the 50 LVF 25 Optima winch or the 75 LVF 25 Optima. The former can offer hoist speeds of up to 315 ft/min with a 1.4 USt load, while the latter can reach speeds of up to 361 ft/min with the same load.
For the J12 version there are three hoist options: the 50 LVF 30 Optima, the 75 LVF 30 Optima and the 100 LVF 30 Optima. The 50 LVF 30 Optima can offer hoist speeds of up to 296 ft/min with a 1.7 USt load. The 75 LVF 30 Optima can offer hoist speeds of up to 381 ft/min with 1.7 USt on the hook. And the 100 LVF 30 Optima can offer hoist speeds of up to 531 ft/min with a 1.7 USt load.
LVF Optima hoists offer productivity gains by optimizing the hoist speed in relation to the load on the hook. The hoists also offer costs savings because smaller generator sets can be used compared to cranes equipped with conventional hoist winches.
| Designation | Max capacity | Max jib length | Max capacity at jib end |
| MDT 268 J10 | 11 USt | 213 ft | 2.9 USt |
| MDT 268 J10 | 10 t | 65 m | 2.6 t |
| MDT 268 J12 | 13.2 USt | 213 ft | 2.8 USt |
| MDT 268 J12 | 12 t | 65 m | 2.5 t |
About The Manitowoc Company
The Manitowoc Company, Inc. is one of the world's largest providers of lifting equipment for the global construction industry, including lattice-boom cranes,tower cranes, mobile telescopic cranes, and boom trucks. As a leading manufacturer of ice-cube machines, ice/beverage dispensers, and commercial refrigeration equipment, the company offers the broadest line of cold-focused equipment for the foodservice industry. In addition, the company is a leading provider of shipbuilding, ship repair, and conversion services for government, military, and commercial customers throughout the U.S. maritime industry.
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