Manitowoc unveils ‘world’s largest’ self-erecting crane
|Manitowoc unveiled the Potain Igo T 130 at Bauma 2010 and says it’s the largest self-erecting crane in the world. The crane has an 8-ton maximum capacity. Vincent Milan, senior product manager for self-erecting cranes at Manitowoc, said the new crane has a familiar feel to users of Igo T cranes, but also includes some important new design features.“Our customers like the advanced technology and flexibility of the Igo T range, and we’ve included some additional features on the new model,” he said in a press release. “We’ve introduced design changes that make it easier for customers to rig the crane and also easier to transport. There are a lot of projects that last too long to justify leaving a mobile crane on site, yet are too short to erect a top-slewing tower crane. For these sites, the Igo T 130 is perfect.”The Igo T 130 shares main characteristics with the existing Potain GTMR 386, one of Manitowoc’s most successful cranes. The Igo T 130 also offers a number of improvements including an impressive 50 m jib that can cover large areas of the job site.
With the Igo T 130, the 50 m jib can assemble as one section and also fold back to a single section for transport. In its transport configuration, it travels as a single trailer with an overall length of 17.15 m. This convoy has a ground clearance of 32 cm for better access to working job sites.
The crane can save time before arriving at the job site because the end jib section can be added or removed before traveling, even when the crane is in the folded position.
If working with the final folding section attached, the Igo T 130 can still fold back in one simple operation. The Igo T 130 uses only 25 percent of the power required by the GTMR 386 for rigging – a real advantage on job sites where power supply is an issue.
The Igo T 130 lifts its 8-ton maximum to a radius of 18.6 meters. The crane has different load charts, depending on working height and how far the jib is folded. At its maximum 50-meter outreach, the crane can lift up to 1.4 tons With the jib end section folded back, the crane has a maximum radius of 34 meters (if the end jib section is removed altogether the maximum radius drops slightly to 33.5 meters, but the chart improves).
Working heights are adjusted by inserting 6-meter lattice sections. With the 50-meter jib extended, the crane can work at a height of 37.3 meters. By luffing the jib to 30 degrees, the working height extends to 61 m. Like other Igo T cranes (Igo T 70 and Igo T 85), the new crane can vary its working height and jib lengths to adapt to job sites as they change.
For each position of the jib (full horizontal, luffed to 30 degrees, folded horizontal) there are seven working heights. Minimum height is 18.2 meters.
Milan said the crane will be perfect for medium-sized jobs.
“Our customer feedback told us we needed a crane that is simple to use and can cover a range of job sites,” he said. “The Igo T 130 is a powerful crane and travels on just three trailers, so it costs less to run than cranes with more trailers. It is perfect for all kinds of commercial and public construction projects.”
In addition to its own unique characteristics, the Igo T 130 shares a number of features with other Igo T cranes. These include a fast set-up time, as the crane can unfold and be ready to work on the job site in less than 4 hours.
Also, using 6 m mast inserts, instead of the more common 3-meter sections, less time and effort is required for rigging. Once the job finishes, Igo T cranes are easier to fold and require only a limited amount of space to do so — a real benefit as there is often limited free space on job sites once construction ends.
A series of sensors and Potain’s SmartCom make the crane easier to fold out to its working position. Once working, the integrated remote control and adjustable controls make lifting as simple as possible and improve productivity.
Frequency controlled mechanisms ensure smooth movements, including hoisting where Potain’s 33 LVF 20 Optima winch is included giving lift speeds of up to 65 m/min for fast working or 1.6 m/min for close control when positioning loads.
The Igo T 130 can include the new Ultra View operator’s cab which was also introduced at bauma 2010.
Potain Igo T 130:
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