![potain-md-485 Potain MD 485 B M20 tower crane.](https://cdn.allcrane.com/sitefinity/images/default-source/blog/potain-md-48508665eaa-7d6f-4b29-aae1-fdbcda5c8974.tmb-515px.jpeg?sfvrsn=397a1b2a_1)
Released by Manitowoc July 28, 2016
The ability to quickly adjust the height of a Potain MD 485 B M20 tower crane is keeping the construction of a 34-story apartment tower in Chicago on schedule. The 3.4 USt capacity crane is lifting 2.5 USt concrete buckets, 2 USt precast segments and other various scaffolding parts to heights of up to 500 ft. Paul Urbanski, sales manager for Central Contractors Service, a division of the ALL Family of Companies, said that the company chose the crane because of its need for fewer “collars,” or “tie-ins,” when jumping floors, which saves the company considerable time over the course of the project, increasing its return on investment.
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