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 ...

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 ...

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 ...

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 ...

Caterpillar’s new D7E bulldozer is the world’s first hybrid—uh, electric . . . uh, wait, what is it again? “We consider this a diesel-electric hybrid powertrain,” says senior project engineer Keith ...

WHAT IS IT? A diesel-electric bulldozer. HOW MUCH? Base price is $560,000; as tested, $600,000. Loading up with options like a heated seat, rear camera, rock guards, GPS tracking device and autopilot ...

The world’s first hybrid dozer will cost about $100,000 more, or 20%, than a comparable non-hybrid of the same size but will do more work and pay for itself in about two and a half years, say ...

One of the most interesting launches at the ConExpo-Con/Agg exhibition in Las Vegas last month was Caterpillar's first ever electric drive dozer. The D7E model marks the company's introduction into a ...