The KROLL K-10000 has held the title of one of the world’s largest tower crane for over 40 years. Standing almost 400 feet tall with a 266 foot jib reach, the standard jib model can lift 120 tons at a radius of 269 feet. The long jib model can lift 94 tons to a radius of 330 ft. The K-10000 can rotate 360° once it has been bolted to its 40 foot diameter concrete base. This allows the crane to cover an area of 7.5 acres, or approximately 6 football fields. A second servicing crane is attached to the top for the original construction and future maintenance of the K-10000. A system of three counterweights, one set and two mobile on trolleys, weighing a total of 100 tons, are used to balance the crane. Under this load the crane can withstand wind speeds of up to 175 mph. With its immense jib span and load capacity the K-10000 decreases the time for construction on huge construction projects by eliminating the need for small cranes and crawlers.

Kroll made a total of 15 units of the K-10000 from 1976 to the late 1980s, says Krøll sales manager Niels Peter Sorensen. Thirteen of these were made for the Soviet Union for nuclear power plant construction, until the Chernobyl nuclear disaster in 1986 stopped construction completely.

Apart from one worn-out unit that was scrapped, all the other K-10000s have are currently used for lifting work, Sorensen says. All but the unit assembled for the Northern Alberta plant upgrade back in 2008 are working at shipyards as permanently-installed dock cranes.  Customers include Statoil in Stord, Norway, Keppel in Singapore, ABG in Mumbai, India and Iran Marine Industrial in Tehran.

The unit used for the Canadian project was built in 1983 and previously was never erected, but held in long-term storage at the Port of Copenhagen.

The structural components of the crane were blasted, inspected and repainted prior to shipment.  The crane also received a brand-new control system, with Siemens drives on the three principal travel motions of the crane for stepless speed control. Hoisting is controlled by a 140kW DC motor; slewing by four 14.6kW DC motors; hook trolleying by a 37kW AC motor. The crane also trolleys counterweight to compensate for loads, with three 8.6kW AC motors.

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Interested in buying or renting a Kroll K-10000?  

Capacity on Max reach 100 mtr: 94 tons
Max capacity: 240 tons
Dismantled, ready for shipping in Alberta, Canada
Contact: [email protected]

Adrian and Reina VanGenderen are the driving team behind VanGenderen Canada Inc. Crane Services.  Passionate about cranes, they enjoy living in Fort McMurray. Adrian grew up in the crane industry and was from a very young age involved in their family crane company in the Netherlands, as co-owner, operator, mechanic and manager. He thinks and talks crane for over thirty years.

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