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.

A careful machining and welding process restores a worn hydraulic cylinder eye on a Caterpillar D9 bulldozer. See how precision work brings this component back to life. What does it take to get a ...

Watch the detailed process of restoring a CAT D9 bulldozer’s barrel eye, bringing heavy equipment back to peak working condition. Warning after largest quake in 50 years Accused cold case killer freed ...