All New 2021 PETERBILT 579 Interior Exterior Features
Aerodynamics & Fuel Economy
The new Model 579 offers the most advanced aerodynamic features and packages, improving fuel economy and your bottom line. The new hood and bumper were designed for maximum aerodynamic performance. The new air dam below the bumper further improves aerodynamics while maintaining ground clearance.
The New Digital Dash
The new digital display is pure Peterbilt: bold design, state-of-the-art technology, and class-leading functionality. The new 15” digital display is the largest in the industry, with easy-to-use features, customizable gauges, and intelligent gauge monitoring.
Lane Keeping Assist
Adding to existing advanced driver assistance systems, new lane-keeping assist technology utilizes inputs from the collision mitigation system to help keep the driver between the lines through an electric motor mounted on the steering column inside the cab, protected from the elements.
More Efficiency. More Uptime.
The PACCAR Powertrain maximizes your miles on the road and your payload capaci
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