CAT puts century-old tech to work in its newest, heaviest electric drive dozer

Diesel-electric locomotives have been barreling along America’s wide-open plains for generations, and the century-old combination of consistent, high-efficiency rpm diesel engines spinning up generators to power high-torque electric motors has proven tough to beat. Now, Caterpillar is putting that century-old design to work in its heaviest tracked dozer yet – and the efficiency gains are incredible.

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