Launches Its Largest Crawler Dozer the New 1050K ...
Jan 23, 2015· Designed and built in Dubuque, Iowa, the 1050K Crawler Dozer is the largest, most powerful dozer ever built by John . Utilizing years of research and extensive customer feedback, the 1050K has the durability, reliability, and productivity needed for mining, quarrying, road building, and other largescale applications.