The world’s biggest mining dump trucks
Belaz 75710
Belaz 75710, with a payload capacity of 496t, is the biggest mining dump truck in the world. The ultra-heavy dump truck was launched by the Belarusian Company Belaz in October 2013 under an order from a Russian mining company. Sales of Belaz 75710 trucks were scheduled to start in 2014.
The truck is 20.6m-long, 8.16m-high and 9.87m-wide. The empty weight of the vehicle is 360t. Belaz 75710 features eight large-size Michelin tubeless pneumatic tyres and two 16-cylinder turbocharged diesel engines. The power output of each engine is 2,300HP. The vehicle uses an electromechanical transmission powered by alternating current. The top speed of the truck is 64km/h.
Caterpillar 797F
Caterpillar 797F, the latest model of 797 class dump trucks manufactured and developed by Caterpillar, is the second-biggest mining dump truck in the world. The truck has been in service since 2009. It can carry 400t of payload compared to its predecessor models 797B and the first generation 797, with payload capacities of 380t and 360t respectively.
The dump truck has a gross operating weight of 687.5t and measures 14.8m in length, 6.52m in height and 9.75m in width. It is equipped with six Michelin XDR or Bridgestone VRDP radial tyres and Cat C175-20 four-stroke turbocharged diesel engine. The single block, 20-cylinder engine offers a gross power output of up to 4,00HP. The truck uses a hydraulic torque converter transmission and runs at a top speed of 68km/h.
Komatsu 980E-4
Komatsu 980E-4, introduced by Komatsu American Corporation in September 2016, has a payload capacity of 400t. It is the biggest electric drive rear dump truck from Komatsu. Fitted with big bucket shovels with a capacity of up to 76m3, the Komatsu 980E-4 is suitable for large-scale mining operations.
The gross operating weight of the truck is 625t while its loading height and the width are 7.09m and 10.01m, respectively. The vehicle is powered by a four-cycle diesel-fired 3,500HP Komatsu SSDA18V170 engine with 18 V-type cylinders. It uses GE dual insulated-gate bipolar transistor IGBT) AC electric drive system and can run at speeds of up to 61km/h.
Terex MT 6300AC
Terex MT 6300AC, introduced by the American manufacturer Terex in 2008, is also an ultra-class mining dump truck with a payload capacity of 400t. The vehicle was rebranded as Bucyrus MT6300AC, following the acquisition of the mining equipment division of Terex by Bucyrus in 2010. Terex MT 6300AC became a part of Caterpillar’s Unit Rig line after Caterpillar’s acquisition of Bucyrus in 2011.
The gross operating weight of the vehicle is 660t. The body of the truck is 7.92m in height and 14.63m in length. The vehicle is equipped with a four-stroke diesel engine, with 20 cylinders powering an AC electric alternator, which in turn supplies power to the electric motor fitted at each side of the rear axle. The rated power output of the engine is 3,750HP. The vehicle can move at a maximum speed of 64km/h.
Liebherr T 282C / T 284
Liebherr T 282C and Liebherr T 284 are two 400t payload capacity ultra-class haul trucks designed and manufactured by Liebherr. The trucks share the distinction of being the second biggest mining trucks with Caterpillar 797F and Terex MT 6300AC. Liebherr’s T 282C is the successor to the 360t capacity T 282B class mining truck. T 284, the latest class of trucks from Liebherr, shares many similar features with the T 282C.
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