Earth Mover Construction site CAT D9T

Earth Movers build a foundation for housing development. Equipment seen in video:
CAT D9T Large Track Bulldozer
CAT 775G Off Highway Truck (Heavy Duty Dump Truck)
CAT 777F Off Highway Truck (Heavy Duty Dump Truck)
CAT MST8 Off Highway Articulated Water Wagon

Video shot in Folsom CA.