Forty years ago this September, Caterpillar rolled off of its production lines 10 pilot models of the world’s largest, most powerful dozer, destined to leave a lasting legacy on the industry. The Cat ...

The Caterpillar D9 dozer replaces the D9T dozer with productivity gains of up to 3 percent in cost per unit of material moved. The Tier 4-F Cat C18 engine delivers 440 net horsepower at 1,750 rpm.

Forty years ago, Caterpillar rolled out 10 pilot models of the D10, the world’s largest and most powerful bulldozer and the time, and one equipped with an elevated sprocket design that would change ...