Current Peterbilt Vocational 520

2025 Peterbilt 520 Base

2025 Peterbilt 520 Base

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  • Year 2025
  • Make Peterbilt
  • Model 520
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Product Details Specifications Photos
2025 Peterbilt 520 Base

2025 Peterbilt 520 Base

  • Year 2025
  • Manufacturer Peterbilt
  • Model Name 520
  • Trim Name Base
  • Generic Type (Primary) Cab & Chassis
  • Engine Type PACCAR MX-11, Configuration: Inline 6-Cylinder | PACCAR PX-9, Configuration: Inline 6-Cylinder | Cummins X15N, Configuration: Inline 6-Cylinder | Cummins ISX12N – Natural Gas, Configuration: Inline 6-Cylinder | Cummins L9N – Natural Gas, Configuration: Inline 6-Cylinder
  • Displacement PACCAR MX-11: 10.8 L | PACCAR PX-9: 8.9 L | Cummins X15N: 14.5 L | Cummins ISX12N – Natural Gas: 11.9 L | Cummins L9N – Natural Gas: 8.9 L
  • Engine Power PACCAR MX-11: Up to 430 hp | PACCAR PX-9: Up to 380 hp | Cummins X15N: Up to 500 hp | Cummins ISX12N – Natural Gas: Up to 350 hp | Cummins L9N – Natural Gas: 320 hp
  • Engine Torque PACCAR MX-11: Up to 1,650 lb.-ft. | PACCAR PX-9: Up to 1,250 lb.-ft. | Cummins X15N: Up to 1,850 lb.-ft. | Cummins ISX12N – Natural Gas: Up to 1,450 lb.-ft. | Cummins L9N – Natural Gas: 1,000 lb.-ft.

2025 Peterbilt 520

Street tough meets street smarts

The Model 520 is designed for demanding vocation industries like refuse, concrete pumping, paint striping and more

Features an updated VMUX electrical architecture and pre-configured frame layouts for easier integration with a variety of bodies

The Model 520 has a sturdy galvanized steel cab frame and a 90-degree door opening for convenient cab access

It offers options for right-hand drive, left-hand drive, right-hand stand-up and left-hand sit/right-hand stand-up configurations

Features may include:

Exceptional fuel economy and two near zero natural gas engine choices

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
Body installation efficiency
  • 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
Ergonomics and safety features in perfect sync
  • 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)

Engine

Engine Type PACCAR MX-11, Configuration: Inline 6-Cylinder | PACCAR PX-9, Configuration: Inline 6-Cylinder | Cummins X15N, Configuration: Inline 6-Cylinder | Cummins ISX12N – Natural Gas, Configuration: Inline 6-Cylinder | Cummins L9N – Natural Gas, Configuration: Inline 6-Cylinder
Displacement PACCAR MX-11: 10.8 L | PACCAR PX-9: 8.9 L | Cummins X15N: 14.5 L | Cummins ISX12N – Natural Gas: 11.9 L | Cummins L9N – Natural Gas: 8.9 L
Engine Power PACCAR MX-11: Up to 430 hp | PACCAR PX-9: Up to 380 hp | Cummins X15N: Up to 500 hp | Cummins ISX12N – Natural Gas: Up to 350 hp | Cummins L9N – Natural Gas: 320 hp
Engine Torque PACCAR MX-11: Up to 1,650 lb.-ft. | PACCAR PX-9: Up to 1,250 lb.-ft. | Cummins X15N: Up to 1,850 lb.-ft. | Cummins ISX12N – Natural Gas: Up to 1,450 lb.-ft. | Cummins L9N – Natural Gas: 1,000 lb.-ft.

Drivetrain

Transmission Allison Transmissions: Automatic 3000 Series, 4000 Series, 4500 Series | Eaton FR/RT: Manual 10/11/13 Speed

Suspension

Rear Suspension Peterbilt Air Trac, Peterbilt Air Leaf, Peterbilt Low Air Leaf, Hendrickson HMX EX, Neway ADZ, Reyco, Chalmers

Capacities

Axle Capacity, Front 12,000 - 20,000 lbs.
Axle Capacity, Rear 21,000 - 78,000 lbs.

Features

Features Front Springs: Taper Leaf | Rear Axle: Single, Tandem, Tridem Dana, Meritor | Lift Axles: Up to 3 Installed from Factory, Self-Steering, Non-Steering, 8,000 - 23,000 lbs., Watson & Chalin, Hendrickson

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