GKN Wheels: Bigfoot

By |  November 12, 2013

GKN Wheels developed a system to allow a 63-in. rim assembly to be adapted to a 57-in. hub for the Unit Rig MT4400 haul truck. The system, called Bigfoot, allows mining operations to retrofit the larger, more available 63-in. tire on haul trucks that would normally only use standard 57-in. rims and tires. The concept was also created to alleviate the risk of short supply in the standard tire size for the 240-ton haul truck. Other advantages of Bigfoot are increased productivity and tire life, and a reduction in potential tire stress and mechanical heat-separation events.


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