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Navistar to replace diesel powertrain for USPS vehicles

ABR Staff Writer Published 22 June 2011

Truck maker Navistar has received a development contract from the United States Postal Service (USPS) to replace a diesel powertrain for USPS delivery vehicles.

The truck maker's re-powered diesel vehicle effort is designed to reduce the escalating service and fuel costs associated with the USPS's aging fleet.

As per the contract, USPS will deliver one of its long life vehicles (LLV) to Navistar Engine Group's engineering and technical center in Melrose Park, Illinois, where the firm's in-house re-power engineering department will develop, install and test a diesel powertrain that features Navistar's MaxxForce3.2-liter turbodiesel engine.

Navistar Engine Group vice president of North America operations Andrew Dondlinger said when the USPS current fleet was first put into service, diesel fuel and advanced diesel powertrain technology were not widely available.

"Now, by replacing its gasoline powertrains, USPS could realize diesel's benefits of fuel efficiency, long operational life and low service and operating costs," Dondlinger said.

The company said that a proven diesel re-power solution is expected to be used to upgrade USPS vehicles over the next decade.