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Haul trucks are off-road, heavy-duty dump trucks specifically engineered for use in high-production mining and exceptionally demanding construction environments. Most are dual axle; at least two examples of tri-axles were made in the 1970s. Haul trucks are denominated by their payload capacity, by weight (variously in tons, tonnes, and kg).
The Caterpillar 797 is a series of off-highway, ultra class, two-axle, mechanical powertrain haul trucks developed and manufactured in the United States by Caterpillar Inc. specifically for high-production mining and heavy construction applications worldwide. [1]
The Titan was the largest in the Terex 33 series of off-road haul trucks, which also included the 33–03, 33–05, 33–07, 33–09, 33-11 and the 33–15. The 33-19 and the 33-15 both used diesel/AC electric powertrains, while the other, smaller members of the 33 series of haul trucks used mechanical powertrains.
A Caterpillar 777D followed by a conventionally sized dump truck. The Caterpillar 777 is a 100-ton haul truck, typically used in open pit mining, manufactured by Caterpillar Inc. [1] [2] The first model of Caterpillar 777 was introduced in 1974. [3] Its diesel engine is capable of putting out 870 horsepower (650 kW).
Haulpak was a very successful line of off-highway mining trucks. The name was used from 1953 until around 1999; the line continues under the Komatsu name. The name was adopted as Wabco Haulpak when R. G. LeTourneau's business was bought by Wabco, and the Haulpak name continued through Wabco's purchase by American Standard, the operation's purchase by Dresser Industries, the merger into Komatsu ...
The smaller construction and quarry trucks (30 ton - 90 ton) are dwarfed by the larger mining trucks in the 140 ton - 450 ton range. Production was moved from Euclid, Ohio, to Guelph in Ontario, Canada. The trucks were are equipped with mufflers and computer controllers to meet environmental requirements for sound and exhaust emissions.
Engineers at Liebherr Mining Equipment Newport News Co. designed the T 282 to have the lightest Empty Vehicle Weight (EVW) respective to its payload capacity. The T 282 was the first mining haul truck designed by Liebherr following the company's acquisition of existing haul truck manufacturing company, WISEDA, LTD.
The BelAZ 75710 is an ultra class haul truck manufactured in Belarus by BelAZ. As of 2013, it was the world's largest, highest payload capacity haul truck. As of 2013, it was the world's largest, highest payload capacity haul truck.