The Big Boy Dozer



The Komatsu D575A is a 1,150 horsepower (860 kW) tractor crawler available as a bulldozer/ripper, the D575A-3, or as a dedicated bulldozer, the D575A-3 SD Super Dozer. Equipped with a standard blade, both versions are capable of moving 90 cubic yards (69 m3) of material per pass although the D575A-3 SD Super Dozer is capable of moving 125 cubic yards (96 m3) of material per pass if equipped with an optional blade.The D575A-3 can dig to a maximum depth of 6 feet 9 inches (2.06 m) using its single shank ripper.
Currently the largest bulldozer in production, the D575A has been produced by Komatsu Ltd. in Osaka, Japan since 1991. Surface mine operators in the United States, Canada and Australia are the primary users of the D575A, although it is sometimes used in heavy construction applications.