Day: 20 June 2009

The D7E represents a mid-range dozer between Caterpillar’s popular D6 and D8 models, and commands a price premium of 20%, or $100,000, over a standard D7R. But that 20% can be recouped in as little as two years thanks to fuel savings of 10-30%. Plus, the electric-diesel drive system offers better power than its predecessor,… Continue reading Caterpillar Builds World’s First Hybrid Bulldozer