The new Caterpillar D7 dozer, replacing the D7E Caterpillar bulldozer, features a high-drive undercarriage, fully automatic four-speed transmission designed to continuously adjust for optimum power, ...

Caterpillar has unveiled two technology package upgrades for its medium dozer line. Formerly ARO with Assist, Cat Assist with ARO (attachment ready option) suite of features will be included as a ...

Cat measures fuel efficiency in terms of material moved per gallon of fuel. Though the D7 stands in the middle of the Cat dozer line, it is typically not a high-volume seller in North America.

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 ...

Featured Product: September 2009 The World’s First Hybrid Dozer 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 ...

A D7 bulldozer operates without a person in the cab while being controlled remotely by Tim Pennington, a remote test operator, on March 27 at the Caterpillar Proving Grounds in Washington.

Clyne knew how to work the levers of older Caterpillar D7 dozers, but not the joysticks at the helm of the D9. He had to learn quickly and adapt to an unusual situation.

Caterpillar unveiled its first ever electric drive dozer at ConExpo, a machine the company says will be +25% more fuel efficient than a conventional drive machine. John Wyatt reports.