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 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.
The world's biggest mining dump trucks - Mining Technology:
