BAE Systems has launched its parallel diesel electric hybrid propulsion system at the National Truck Equipment Association Work Truck Show in Indianapolis.  The system is designed for Class 6, 7, and 8 vocational trucks and is the latest version of the company’s HybriDrive parallel hybrid system.

The HybriDrive Series system is currently in service in over 3,000 rigs and transit buses around the world and is build specifically for urban transit duty cycles.  This new HybriDrive Parallel is meant for higher speeds and less frequent stops and is aimed at the commercial transportation sector specifically.

The HybriDrive Parallel installs a single electric motor between the engine and transmission and can be retrofitted with minimal impact on current vehicles.  It enhances propulsion through an optimized, computer-controlled blending of internal combustion engine and electric motor.

The new system has power and torque ratings ranging from 95-145 lb-ft and 300-400 lb-ft, depending on vehicle class.  It’s designed to supporter large-bore, heavy-duty power plants rated at 350hp or higher (750+ lb-ft torque).

The system is in its final stages of development and will begin road trials in the next couple of months.  It is expected to see market deployment next year.

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