These big rigs still rule the road. Kenworth has been building commercial trucks since 1923, and even then the company evolved from the earlier Gersix Motor Company that was in the same business. The company's name was a portmanteau of the two primary shareholders at the time Harry Kent and Edgar Worthington. To show how far things have come, the folks from Fleet Logging have created renderings showing the evolution of the important W900 and T600 series of models.If you have spent even the briefest amount of time on an American Interstate, then it is practically a certainty that you've seen a Kenworth W900 semi. The model debuted in 1961 and proved to be a success. In '61, Kenworth produced a total of 2,037 trucks across all of the company's offerings, which was a record for the time. Compared to its predecessor, there was a raised roof for the cab, and the company moved the two panes of the windshield closer together, rather than separating them with a … [Read more...] about Kenworth Big Rig Evolution Shows Off A Convoy Of Heavy Haulers