International Truck and Eaton Selected for Diesel-Electric Hybrid Truck Program

Posted on October 15, 2004
International Truck and Engine Corp. and Eaton Corp. have been selected to manufacture diesel-electric hybrid trucks for a national pilot program serving the utility industry. The pilot truck program will test a minimum of 20 factory-built International utility trucks featuring an integrated hybrid powertrain jointly developed by the two companies. WestStart, a technology consortium, will administer the pilot program through the support of the U.S Army's National Automotive.

The initial powertrain will be installed in International 4000 series medium trucks and will couple an International DT 466 in-line, six-cylinder diesel engine with an Eaton hybrid-electric drivetrain, incorporating a transmission, batteries and permanent magnet motor. Power from the engine is converted directly into electrical energy, which then incorporates the conventional drivetrain to power the truck. The system recovers kinetic energy during braking, charging the batteries while the truck is slowing down. Additionally, the hybrid truck used in the pilot will operate the utility bucket in an electric-only mode, with the engine shut off, for up to 2 hours and provide electric power during idling for added fuel saving benefits.
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