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.
Diesel-electric locomotives have been barreling along America’s wide-open plains for generations, and the century-old combination of consistent, high-efficiency rpm diesel engines spinning up ...
The new Caterpillar D7 dozer, replacing the D7E Caterpillar bulldozer, features a high-drive undercarriage, fully automatic four-speed transmission designed to continuously adjust for optimum power, ...