Tadano Goes Electric With 91-Tonne GR-1000XLL Evolt Rough-Terrain Crane Prototype
Tadano recently unveiled a prototype of what it calls the world’s first battery-electric rough-terrain crane. The GR-1000XLL Evolt can lift up to 90.7 tonnes (100 U.S. tons) and work for up to nine hours on a battery charge, the manufacturer says. The prototype was among six zero-emission machines Tadano deployed at the ConExpo-Con/Agg trade show in mid-March in Las Vegas, Nevada, in the U.S. Tadano plans to launch a commercial version of the GR-1000XLL Evolt in the U.S. and Canada in 2024.
“This crane will make an invaluable contribution to achieving our goal of reducing the CO2 emissions from our products by 35% by 2030,” says Tadano President and CEO Toshiaki Ujiie. The company has set a goal of reaching net zero in both its products and business operations by 2050. “With the GR-1000XXL Evolt as an important tech demo, we’ve taken a crucial step towards that goal.”
An Evolt-ing Development
The GR-1000XLL Evolt prototype is a 2-axle crane that relies on its 194-kilowatt (260-horsepower) electric motor as its travel drive as well as for all crane functions. Tadano says that after a 20-kilometre (12.5-mile) drive to the work site, the Evolt’s battery can still provide up to five hours of crane operation. The crane’s maximum speed is 18 km/h (11.2 mph). A regenerative braking feature recoups some of the energy expended during the trip.
The GR-1000XLL Evolt can fast charge in just two hours using a CCS Combo 1 connection, or charge normally in seven hours on a 240-VAC, 100-A, three-phase power source. On the jobsite, the crane can also work while plugged into local power with no limitations, Tadano says. Being fully electric, the Evolt is quiet enough to work at night and in sensitive areas, such as near hospitals. Because it produces no exhaust emissions, the crane can also work indoors in suitable venues.
The Tadano GR-1000XLL-4
Tadano says the Evolt prototype is based on its diesel-powered GR-1000XLL-4 rough-terrain crane, and offers the same 90.7-t lift capacity, crane operation speed, and vehicle dimensions. Both cranes are 15.2 metres (49.8 feet) in length, 3.3 m (10.9 ft) wide, and 3.8 m (12.48 ft) in height.
The conventional GR-1000XLL-4 has a Cummins diesel engine and a main boom length of 12.8 to 51 m (42 to 167.3 ft), which according to Tadano is the most in its capacity class. With a boom extension, the crane can reach a maximum lifting height of 68.3 m (224.1 ft) and a maximum radius of 57.9 m (190 ft). The GR-1000XLL-4 has all-wheel drive, all-wheel steering, and a gross vehicle mass (GVM) rating of 56,018 kilograms (123,500 pounds).
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Source: Tadano