Powertrain choices include two diesel engines, the PACCAR MX-11 and PACCAR PX-9, and two near zero natural gas engines, the Cummins L9N and the ISX12N.

The PACCAR MX-11 engine provides outstanding power in a lightweight package and is fully integrated with the truck’s electrical system for the ultimate in PTO body control customization. It is designed to deliver:

• Centralized Service Locations: Fluid check ports, fills, dipsticks, air intake filter, wiper fluid, coolant, power steering fluid and air restriction indicator
• Excellent Fuel Economy: With ratings of up to 430 hp and 1,650 lb.-ft. of torque
• Low Cost of Service: With up to a 75,000-mile oil change interval
• Superior Performance & Quiet Operation: Broad torque curves mean less shifting, and quieter performance makes driving the Model 520 even more of a pleasure

• The Peterbilt Model 520 is designed for operational excellence, with a focus on body installation efficiency
• It has a rugged galvanized steel cab, along with aluminum and fiberglass components for durability and strength
• The distinctive Peterbilt style is completed by the signature polished stainless steel grille

• The Peterbilt Model 520 prioritizes ergonomics and safety features working together seamlessly
• It features an angled dash and adjustable seating for excellent visibility and easy-to-access controls
• The redesigned gauge cluster includes a 7-inch digital display integrated with Advanced Driver Assistance Systems (ADAS) like Bendix Fusion and side object detection, available on both the right and left side of the truck
• Driver safety and comfort are enhanced with knurled exterior grab handles, high-visibility bright yellow interior grab handles, LED headlamps and electronic stability control (ESC)