2025 Peterbilt 520 RH Drive, Paccar MX-11 400HP, Allison 4500 RDS-P, Chalmers Suspension, 80 Gallon Fuel Capacity LH BOC, Diff Lock – Both Axles, Gray Interior, Dark Blue Exterior, 209 WB. 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. 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.