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 ...

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 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 ...

The Cat D7 Dozer delivers more productivity and a higher drive undercarriage value compared to the D7E it replaces. The fully automatic 4-speed transmission makes efficient operation easy while 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 ...

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 ...

The D7E crawler dozer, with its diesel-electric power train, has been upgraded with three dozing features: Stable Blade Control, traction control, and slope indicate. The Tier 4-Final, 238-horsepower ...

Caterpillar Inc. is getting into the hybrid vehicle business. Except these won't be vehicles you'll see on the highway. The company Tuesday officially launched its line of Diesel-electric hybrid ...

The world's first diesel-electric hybrid bulldozer will carry a price tag that is about $100,000 more, or 20% higher, than a comparable non-hybrid machine. But will pay for itself in about ...

Caterpillar has launched a new Stage V dozer as part of its D7 equipment range for the European, Australian and New Zealand markets. The D7 is the successor to the company’s D7E model. It is fitted ...

MIAMI TWP., Montgomery County — When gas was $4 a gallon last year, Todd Kelchner, chief executive of Kelchner Excavating, lost sleep at night. With gas now below $3 a gallon, Kelchner feels better.