September 16, 2020
Liebherr has now delivered more than ten of its new 800 tonne Crawler Craned to customers in Europe, North America and Asia. All of them feature the standard 650 tonne S head section and are used for heavy hoisting work in industry and for Wind Turbine erection jobs.
“The standard head is absolutely adequate for the vast majority of jobs. However, the LR 1800-1.0 is designed to produce its maximum lifting capacity in real-world conditions as it can hoist 800 tonnes with a 9 metre radius on a 57 metre boom. That gives it plenty of scope for real applications. That is why we built the 800 tonne head, and now we have tested it as well”, explained Jens Könneker, Product Manager Crawler Cranes at Liebherr.
For the acceptance testing procedures on crane equipment, the test loads are around 25 percent above the values in the lifting capacity table to ensure a high level of safety when the crane is actually in action. The new 800 tonne head and the new hook block to match it passed the test with flying colours with a 1,000 tonne test load. Könneker said: “The new hook block can be used on both the LR 1800-1.0 and the LR 11000. That is very important for customers who have both crane models. It enables them to use this block for both cranes flexibly and economically. As a result of the higher rope pull on the LR 11000, it can hoist up to 1,000 tonnes”.
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