Extremely Dangerous Biggest Bulldozer in The World | CAT D11 Bulldozer | Heavy Equipment Machines We are going to talk about one of the biggest and most feared bulldozers in the world. The CAT d11. A bulldozer is most often seen when it comes to the mining industry or agricultural sector. It is the most popular bulldozer that is common. It is big, heavy, and gigantically strong. Technology, Inventions, heavy equipment