Liebherr Powers Electric, Emission-Free Machines Throughout Jobsite

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The LB 16 Unplugged is being utilized on one of the biggest roadwork sites in Western Australia. (Photo courtesy of Liebherr.)

There are many use cases for electrically driven equipment at construction sites, but deep foundation work isn’t likely among the first that come to mind. Liebherr and construction company i+R aim to change that, starting at one of the largest roadwork sites in Western Australia. i+R is using Liebherr’s LB 16 Unplugged drilling rig and Liebherr concrete mixer ETM 905 with electric drum drive to perform deep foundation work almost emission-free.

LB 16 Unplugged

Said to be the first battery-powered drilling rig in the world, the electric engine in Liebherr’s LB 16 Unplugged provides up to 355 horsepower (265 kilowatts) and a maximum working depth (Kelly drilling) of 113 feet (34.5 meters)—all while lasting through a 10-hour workday. i+R’s construction site is both narrow and features a restricted working height (the pile foundations are being placed directly under power lines), so Liebherr designed this LB 16 Unplugged with a low head and a shorter lead. The 55-ton (50-metric-ton) LB 16 Unplugged will help to install 148 piles using its electro-hydraulic drive.

Concrete Mixer ETM 905

With approximately 1,200 cubic meters of concrete to be poured, i+R is using Liebherr’s ETM 905 with electric drum drive to unload concrete on site without exhaust emissions. The ETM 905 offers a water capacity of 10.5 cubic meters and a geometric drum capacity of 16 cubic meters. As a plug-in hybrid, the concrete mixer’s battery capacity is enough for the entire work day. i+R is also using an electric compact excavator to help minimize emissions on the jobsite.

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Source: Liebherr