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.

Caterpillar introduces its new D9 dozer to global markets with a promise the machine can lower operating costs by up to 3%, and fuel consumption by as much as 5%. The smallest of Cat’s line of “large ...

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 ...

Follow the detailed process of repairing a CAT D9 barrel eye — where precision welding and machining bring heavy equipment back to perfect working order.