Last year, Manitowoc presented a virtual introduction of the GMK6400-1 all-terrain crane at CONEXPO. While it was exciting to see the machine via technology, it’s even more impressive when viewed in the real world, where customers can get up close and see why it’s setting new standards in the increasingly competitive 450-ton class.
The GMK 6400-1 follows in the footsteps of its predecessor, the GMK6400, but includes additional reach, enabling it to take on jobs that usually require a seven- or eight-axle crane. This delivers a clear competitive advantage and ensures an accelerated return on investment, according to Andreas Cremer, vice president of product management for all-terrain cranes at Manitowoc.
“We have upgraded this crane to use all of the latest technological advances, including our Crane Control System and MAXbase variable outrigger system, which increases capacities on the main boom,” said Cremer. “On top of that, the easy and fast setup enables it to handle more work in a day.”
The GMK6400-1 has a main boom of 197 feet, and when fitted with its full complement of jib, it can achieve a maximum tip height of 448 feet. Despite its class-leading performance, the crane boasts a compact overall package with a length of 57.5 feet and boom overhang of 5.9 feet.
A capacity-enhancing MegaWingLift attachment is available as an option, and the self-rigging addition can be ready in less than 20 minutes — without the need for an assist crane. This attachment increases lifting capacities up to 70% and makes the crane well-suited to applications such as bridge construction, wind farm work or tower crane assembly. The crane is also likely to prove popular in general construction or industrial plants.
As with the GMK6400, the new unit has a single engine, but the hydraulic system was improved for the GMK6400-1 with higher oil flow, which delivers higher operating speeds. Movement both on and off the road is seamless, thanks to the best-in-class driveline that includes the Megatrak suspension system and the Megadrive hydrostatic drive for on-site positioning.
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