New 2026 Peterbilt 520 Cab & Chassis

The 2026 Peterbilt 520 LH Drive Low Cab Forward is engineered to deliver exceptional visibility, maneuverability, and durability in demanding vocational applications. Powered by a PACCAR PX-9 engine producing 380 horsepower and 1,250 lb-ft of torque, it provides the performance needed for heavy-duty operations. The Allison 4500 RDS-P automatic transmission delivers smooth shifting and proven reliability for challenging work environments. A Meritor 46,000-lb tandem rear axle and Hendrickson Haulmaax suspension offer outstanding strength, stability, and load-carrying capability. Air disc brakes on all axles enhance stopping power and provide confident control in a wide range of operating conditions. Inside the spacious Probilt cab, drivers benefit from air-ride high-back seating, air conditioning, Bluetooth connectivity, and a modern digital instrument cluster. Premium features including LED lighting, stainless steel grille, polished Alcoa aluminum wheels, and heated motorized mirrors deliver both functionality and a professional appearance. With a 66,000-lb GVWR and a rugged vocational specification, this Peterbilt 520 is built to maximize productivity, uptime, and long-term value for any fleet.