Check out this great infographic from B&W Trailer Hitches timelining the evolution of trucks from the 1900s to 2012. It shows the different models and body shapes over the decades with information on horsepower and engine size for each model. It includes Ford, Chevy, Dodge and Toyota trucks as well as interesting information on towing capacities and the amount of parts of these trucks that are actually made here in the U.S.
Here's the link to the infographic: http://www.turnoverb.../modern-truck-0
