Equipment Type

Manitowoc 31000 Crawler Crane

Manitowoc Model 31000 crawler crane has a lift capacity of 2,300 metric tons, yet with a ground-bearing pressure of only 15,000 pounds per square foot.

March 19, 2011

Manitowoc Model 31000 crawler crane has a lift capacity of 2,300 metric tons, yet with a ground-bearing pressure of only 15,000 pounds per square foot. That’s because the 31000 includes an innovative lift enhancer that automatically extends when more counterweight moment is needed during the lift. The Variable Position Counterweight (VPC) is mechanically locked to prevent inadvertent movement during operation. The system’s mechanical actuator is controlled by the crane’s control system and is deployed based on boom angle and applied load. The VPC allows for pick-and-carry of all rated loads and, because it never touches the ground under normal working conditions, the amount of ground preparation work needed with a typical lift-enhancing attachment is reduced.

Manitowoc 31000 Crawler Crane Specifications

  • Main boom: 180-foot heavy-lift. With optional 16- and 33-foot inserts, the main boom can be extended to 361 feet.
  • Fixed jib: Basic rating of 1,543 tons and a basic configuration of 79 feet. With optional inserts, 138 feet.
  • Luffing jib: 118 feet. With optional inserts, to 472 feet. Maximum capacity is 1,212 tons.
 
 

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  • New from Manitowoc at CONEXPO-CON/AGG 2014 are the 330-ton MLC300 and 650-ton MLC650 crawler cranes that feature Manitowoc’s Variable Position Counterweight (VPC) system.

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Manitowoc Model 31000 crawler crane has a lift capacity of 2,300 metric tons, yet with a ground-bearing pressure of only 15,000 pounds per square foot.

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