The Chevy Truck was known as C/K from 1962 to 1998. "C" was for the 2wd Chevy Truck and the "K" was for the 4wd. 1984 saw the first major change to the Chevy Truck in over 15 years of production with changes to the front-end of the truck.
In 2001, GM started it's Heavy Duty models and in 2003 the Chevrolet Silverado SS was hatched. In the year 2004 the Vortec High Output (VHO) was rolled out which was popular among truck enthusiasts. Chevrolet launched it's first Hybrid Silverado in the 2005.
