There's a MACK GRANITE (GU) Truck Operator's Manual PDF above the page.
Mack Granite construction and mining trucks have been in production since 2002.
Cars are on sale with 11-liter Mack MP7 engines, 13-liter MP8 engines, and 9-liter Cummins
Motor power is 325-505 hp. The trucks are equipped with both a manual gearbox and an automatic.
You can buy Mack Granite trucks in America, Africa, Australia, and the Middle East.