D6T, D7E and D8T dozers are not only powered by Cat ACERT engines designed to meet Tier 4-I emissions standards, but also have new features. Net horsepower ratings range from 205 to 310; and engines ...

At the D7E's official introduction event in Peoria, Cat representatives spoke for the first time of the electrically driven bulldozer as a “hybrid-electric” tractor, and candidly discussed the ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...

The Cat D7E features a diesel-electric drive system that boosts productivity and efficiency while lowering operating costs and dramatically reducing fuel consumption. D7E dozers are working in many ...