Peterbilt says the new Model 335 hybrid/electric, aimed at applications like beverage and regional hauling, is available for order. It uses the Eaton Hybrid Electric Power System with an electric motor that assists the Paccar PX-6 engine with supplemental torque for up to 25% fuel economy gains in local hauls.

The tractor also features the Paccar-proprietary in-dash 7-in. Hybrid System Monitor. It shows information regarding fuel economy and the battery’s state of charge, as well as full diagnostic capabilities for the hybrid system including system operating status.

Peterbilt is also developing two heavy-duty hybrid configurations: a Model 320 Hydraulic Launch Assist (HLA) vehicle for vocational and stop-and-go applications and a Model 386 Hybrid Electric vehicle for long-haul applications.

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