Kurt “CyberGuy' Knutsson examines Kenworth’s SuperTruck 2, an aerodynamic tractor-trailer for better efficiency.
Kenworth has unveiled its latest innovation, the SuperTruck 2, at the Advanced Clean Transport expo in Las Vegas. This sleek and aerodynamic truck is the result of a six-year collaboration with the U.S. Department of Energy aimed at improving freight efficiency without abandoning diesel as the primary energy source.
Aerodynamic design and weight savings The aerodynamic design of the SuperTruck 2 is a standout feature, resembling a bullet train with a central cockpit, a narrowed nose, and sloped forehead. The truck also features low skirts, fully enclosed wheels within the bodywork, and slim camera stalks with night vision capabilities, replacing the traditional side mirrors. These design elements contribute to an astonishing 48% reduction in drag.
Power train and driver amenities The SuperTruck 2's power train is equally impressive, combining a PACCAR MX-11-based diesel engine, a TX-12 automated transmission, and a 48-volt electric generator to create a mild hybrid system. This system charges lithium-ion batteries through regenerative braking, powering electric fans, steering, coolant, and HVAC systems, which were previously mechanically driven. In bench testing, this power train achieved a record 55.
Kurt's key takeaways Kenworth's SuperTruck 2 is a remarkable achievement, showcasing the company's commitment to innovation and pushing the boundaries of efficiency in the trucking industry. While the SuperTruck 2 itself may not go into production, the technologies and design concepts developed during this project could pave the way for future commercial vehicles that are more efficient, environmentally friendly, and driver-focused.
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