Cat D7e Electric Drive

Lb with blade without ripper. Model engine net hp track on ground blade cap. By adapting electric drive technology to the unique requirements of dozer applications caterpillar has developed an all new class of tractor that delivers the best possible balance of heavy dozing and ine grading performance.

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The all new cat d6 dozer delivers new levels of efficiency and performance with a choice of electric drive or fully automatic power train.

Cat d7e electric drive.

The d7e is in the 60 000 pound 27 000 kilogram weight range and is powered by a cat c9 engine producing 235 hp 175 kw that drives a generator to produce electricity to power two ac electric drive motors connected to a differential steering system. Cat says the d7e can be considered a hybrid in that it combines a diesel engine with an electric generator to provide propulsion. Even with a smaller engine the d7e can move 10 percent more material per hour than the d7r courtesy of the electric drive s faster response and more nimble steering. The cat d7e features a first of its kind electric drive system that boosts productivity and efficiency while lowering operating costs and dramatically reducing fuel consumption.

Caterpillar has shipped the 500th d7e track type tractor from the company s east peoria illinois facility. This 235 hp d7e comes with an electric drive system powered by a 537cid c9 3 diesel engine. Compared to the caterpillar d7r series ii the d7e was projected to deliver 25 percent more material moved per gallon of fuel 10 percent greater productivity and 10 percent lower lifetime operating. The c9 3 powers a generator that turns out electricity that supplies power to a pair of ac drive motors.

The cat d7e bests the 2010 epa emissions requirements toughest in history potentially provides up to a 20 reduction in fuel consumption allows a 10 inc. Cat d7e electric drive dozer expected to move 25 more material per gallon of fuel improve productivity 10 and reduce lifetime operating costs 10 compared to d7r series ii april 7 2008. Unlike the d7e introduced nine years ago caterpillar s new d6 xe electric drive will be a high drive machine the first in an electric drive dozer. Compared to the 3 speed d6t which it replaces.

The cat d7e was designed to meet growing demand for powerful yet highly maneuverable track type tractors. But there are electric drive mining trucks that do the same thing. A redesigned purpose built vpat dozer offers best in class grading while updated technology features help operators to be more productive from first pass to finish grade.

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