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Unlike on-road trucks, off highway trucks are specifically designed to work in punishing environments and are made to haul material and debris around a work site. These purpose-built vehicles are not constrained by the weight limits of their smaller on-road counterparts. Off highway trucks typically feature a front driving axle and ride on 63-inch tires. The largest off highway mining trucks stand more than two stories tall, boast diesel engines that weigh as much as 25,000 pounds, have as many as 12 turbochargers, and make more than 10,000 lb-ft of torque. To support payloads of up to 400 tons, these massive haulers have frame widths and depths that are measured in feet, not inches. Some of the largest off highway mining trucks are manufactured by Komatsu, Liebherr, Hitachi, Terex and Caterpillar.
Komatsu has reached a historic milestone in autonomous mining, commissioning its 1,000th autonomous ultra-class haul truck equipped with the company's FrontRunner Autonomous Haulage System.
Komatsu introduced the HM460-6 articulated haul truck, a next-generation articulated dump truck engineered to help contractors move more material with greater consistency across challenging ground conditions.
Every year, half a million tons of sand and gravel are produced from Calgary Rolling Mix Concrete's crushing operation in Alberta, Canada, in order to provide high-quality concrete for everything from foundations and walls to driveways, sidewalks, patios and more.