The Komatsu D475A is the second largest bulldozer in the Komatsu line after the D575A, the world's largest production bulldozer. The current version is the 238,960 pounds (108,390 kg), 899 horsepower (670 kW) D475A-5 Tier 2. There are several versions of the D475A that are used in surface mining, open-pit mining, quarries and construction worldwide.
The 740 horsepower (550 kW) D475A-1 was introduced in 1986 as a replacement for the 650 horsepower (480 kW) D455A.
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