PACCAR, Eaton developing heavy-duty hybrid truck

PACCAR and Eaton Corp have entered into an agreement to jointly develop proprietary hybrid technology for heavy-duty commercial vehicles in North America, according to PACCAR information.

The new products will be introduced exclusively in Kenworth and Peterbilt trucks in the North American market, targeted for initial production by the end of 2009.

PACCAR and Eaton developed the technology utilized in previously announced Kenworth, Peterbilt, and DAF medium-duty hybrid trucks that will be launched next year.

Eaton's heavy-duty hybrid electric power system will be built using an automated manual transmission with a parallel-type direct hybrid system, incorporating an electric motor/generator located between the output of an automated clutch and the input to a Fuller UltraShift transmission. One feature of this system will be its ability to recover energy normally lost during braking and store the energy in batteries, according to the PACCAR information.

When electric torque is blended with engine torque, this stored energy is used to improve vehicle performance, operate the engine in a more fuel-efficient range for a given speed, or operate with electric power only. Fleets using the PACCAR-Eaton heavy-duty hybrid system will experience reduced fuel consumption both while driving and at the truck stop, the company said.

In addition to the hybrid diesel-electric solutions for medium- and heavy-duty vehicles, PACCAR recently introduced Kenworth CleanPower and Peterbilt Comfort Class factory-installed climate control systems provide heating and cooling, plus 110-volt hotel load power for up to 10 hours without the need to operate the engine, thereby reducing emissions and improving fuel economy by up to eight percent, the company said.

Read more about hybrid trucks in additional Bulk Transporter coverage at bulktransporter.com.

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