Equipment

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High above New York City’s streets, ironworkers building the 70-story One Manhattan West tower are laboring inside of a six-story, 900-ton steel-mesh cocoon that hydraulically crawls up the sides of the building as they erect structural steel around the tower’s concrete core.

Looking to simplify its product lines and streamline production, Cater­pillar has introduced a trio of 20-ton-class excavators aimed at a broad range of applications.

On a Pennsylvania bridge last month, a prototype robot tied more than 24,000 rebar intersections at a rate of 5.5 seconds each.

Tech start-up Built Robotics is running trials of a fully autonomous skid-steer loader in California.

In a market in which demand for heavy-lift cranes rises and falls with demand for large power, petrochemical and infrastructure projects, crane manufacturer Sarens is seeing enough consistent interest to warrant construction of the SGC-140, a massive crane even larger than the SGC-120 it introduced in 2011.

When designing virtual-reality training programs for equipment operators, Serious Labs works to simulate as much of the real-life experience as possible.

Despite extreme weather conditions, 18,000-lb payloads that could be delivered only by helicopter crane and a year-long materials supply chain, an Anchorage-based contractor is completing a five-year effort to bring broadband to remote villages

With crews at work dismantling two Hurricane Irma-damaged cranes in the city of Miami and a third in Fort Lauderdale, Fla., local leaders are wondering whether Florida’s crane regulations are adequate for the highly vulnerable region.

Three cranes collapsed in South Florida as Hurricane Irma rolled over the state on Sept. 10, including two tower cranes working on Miami high-rises.