The worlds biggest and heaviest bulldozer ever made is the Acco. It is a non production custom ” one-off ” that was built by the Italian Company Umberto Acco in 1980. The Acco was constructed mainly of Caterpillar parts, many other components however were specially adapted, like the big shovel blade that’s bigger than anything… Continue reading World’s Biggest Bulldozer – ACCO Super Dozer