Caterpillar has introduced the new line of K Series motor graders consisting of four models, the 120K, 12K, 140K and 160K, to replace the H Series standard version. The company says that the H Series has been the industry standard in a variety of heavy construction, mining, road building and governmental applications, and the K Series "continues this tradition, building on the strong H Series legacy and incorporating a variety of critical customer requirements and sustainability enhancements." The new serie