Forty years ago, Caterpillar rolled out 10 pilot models of the D10, the world’s largest and most powerful bulldozer and the time, and one equipped with an elevated sprocket design that would change ...

Dick Steines' employer and co-workers sent him to President Obama's rally in Mount Vernon to deliver a message: They did build it. Steines delivered it in the form of a red, white and blue bulldozer ...