Komatsu PC4000 hydraulic mining shovel has an operating weight between 855,500 and 879,800 pounds and a bucket capacity of 29 cubic yards. Komatsu SDA16V160E-2 diesel provides 1,875 horsepower. Electric drive is also available. Backhoe breakout force is 250,000 pounds, and loading shovel crowd force is 300,000 pounds. The excavator matches to trucks ranging from 150 to 240 tons. An insulated cab on multiple viscous mounts reduces noise and vibration, the company says. Hydropilot hydraulics has a single engine connected to a gearbox the drives four identical Komatsu main pumps that draw oil from an unpressurized hydraulic tank. The open-circuit system has swing-out coolers and monitored filtration. Access to all major service points is at the house level, and there is ground-level access to the swing-down service arm with Wiggins connections.
September 25, 2012