For Release Worldwide: September 2012
Release Number: 325PR12
Caterpillar has designed, fabricated and constructed the largest hydraulic mining shovel ever built. The new Cat® 6120B H FS significantly exceeds the size of the Cat 6090 FS to deliver highly productive three- or four-pass loading of ultra-class mining trucks. Innovative hybrid technologies cut fuel use per ton by an estimated 25 percent—through the use of hydra-electric regenerative technologies and a unique energy storage system.
Caterpillar designed the 6120B H FS to be the most productive and efficient ultra-class hydraulic shovel available. An operating weight of approximately 1,400 tons (1270 tons) and engine output of about 4,500 hp (3360 kW) enable the shovel to efficiently handle dipper sizes of 60 to 85 cubic yards (46 to 65 cubic meters), depending on material density.
The energy management system makes use of large capacitors to store energy created by the shovel during swing deceleration and boom-down movements. That stored energy then helps power the hydraulic system when the machine requires peak power, such as during the digging portion of the cycle. The hybrid technology features long-life components and design for ease of service, as do other systems within the shovel. Isolated, modular systems within the 6120B H FS offer easy access and enhanced serviceability.
The new hydraulic shovel will fill the need for a safe, cost-efficient and highly mobile ultra-class shovel for short-term mining operations, non-electrified sites and areas where the power grid has limitations, and greenfield developments. The hydraulic shovel also has selective digging capabilities that rope shovels do not, as hydraulics enable applying strong bucket forces through a wide range of heights. The proven Tri Power linkage technology enhances digging capabilities of the 6120B H FS. Similarly, the new shovel makes best use of proven Cat shovel features, such as the ergonomically designed, state-of-the-art shovel cab.
The 6120B H FS prototype was constructed at the Caterpillar manufacturing facility in South Milwaukee, Wisconsin, USA, where, after rigorous testing and field trials, future 6120B shovels will be manufactured to fulfill commercial sales. More information about the 6120B H FS will be announced as development progresses.
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