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Giant bulldozer pushing tons of earth

A massive Komatsu D475A bulldozer is pushing huge amounts of earth in a large quarry operation. Known as one of the largest and most powerful bulldozers in the world, this giant machine demonstrates ...
Awesome Earthmovers on MSN

This massive mining dozer is built to move mountains

Watch a massive Komatsu crawler dozer tackle an enormous pile of rock in a demanding mining or quarry environment. Equipped ...