200 years of crushing it: Mammoet completes unique move of rock crusher in California

Mammoet has successfully transported a 690 metric ton granite rock crusher and primary conveyor inside the A.R. Wilson Quarry mining site in Aromas, California. Both pieces of equipment needed to be relocated from the top of the quarry to the new location further down in the mine. Mine owner Graniterock had previously attempted to drive the rock crusher downhill themselves; however, the crusher experienced a loss of braking power and the operation could not be completed safely. Mammoet was contracted because of their previous experience in mining equipment transport, and because of their proposed solution to move the crusher in one piece on SPMTs, whereas other proposals received included dismantling the rock crusher before transport. Mammoet’s solution meant the machine could remain active until just hours before the move, which significantly reduced downtime of this vital piece of mining equipment and avoided any unnecessary wear and tear on the machine. The rock crusher is one of only two rubberized crushers in the world (it has rubber wheels and is drivable), and is the only crusher currently in use. The quarry has been in operation since 1900, and by relocating the crusher, another 100 years of operation is expected.

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