On the way to a demonstration of Caterpillar's first hybrid dozer, I was expecting it would be one of the little ones, the kind used to dig pools and landscape suburban back yards. But looming up in ...

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 ...

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 ...

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 ...

A continuously variable electric motor drives each track 60% fewer moving parts in the drivetrain Center-post cab provides more all-around visibility and wider sight lines to the blade Single larger ...

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 Inc. unveiled the first-of-its-kind electric drive track-type tractor in ceremonies Tuesday in Building SS. Caterpillar Group President Doug Oberhelman, who takes over as Caterpillar CEO ...

Caterpillar upgraded its fuel-efficiency claims for the 56,700-pound D7E tractor at its official introduction, calling the innovative electric-drive machine a hybrid bulldozer for the first time…more ...

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 ...