This 2027 Peterbilt 579 Day Cab is built for efficient regional hauling and general freight work with a clean, aerodynamic setup. It features the 124" BBC aluminum cab and Metton hood in an SBFA configuration, giving it a modern, maneuverable layout with sharp Peterbilt styling. Under the hood, it’s powered by a Cummins X15 Efficiency Series rated at 450 HP and paired with an Eaton Endurant automated 12-speed transmission for smooth, driver-friendly operation. It rides on a 12,000 lb front axle with 40,000 lb rear tandems, Low Air Leaf suspension, PACCAR DX-40 rear axles, and 3.25 rear gearing for a stable, comfortable ride. Front air disc brakes and rear drum brakes provide dependable stopping performance, while the 12" air slide fifth wheel adds flexibility for trailer positioning. Fuel capacity includes a 100 gallon left-side under-cab aluminum tank. Inside, this day cab features vinyl seating, a Prestige Interior in Sterling Gray, adjustable tilt and telescope steering column, Bluetooth, USB, dual USB charging, standard speaker package, cab air suspension, additional dash switches, ATC traction control deactivation switch, suspension load pressure display, and a 15" digital display cluster. Body-color painted aero bumper, stainless sunvisor, body-color aero mirror housings, cab side extenders, painted roof fairing, low inboard load lights, and clean single right-side exhaust make this 579 ready for daily fleet work. Let one of our sales professionals tell you about any of our Model 579s in inventory as well as the great financing options currently available.