New 2027 Peterbilt 579 Sleeper

This 2027 Peterbilt 579 is built for premium comfort, strong performance, and flatbed-ready versatility, featuring a 72" high-roof sleeper with a Platinum Interior in Sterling Gray and a spacious double bunk setup. Powered by a PACCAR MX-13 Performance engine rated at 510 HP and paired with a PACCAR TX-18 automated 18-speed transmission, this truck delivers smooth shifting, strong pulling power, and confident highway performance. It rides on a 13,200 lb front axle with 40,000 lb rear tandems, low air leaf suspension, forward rear differential lock, and 3.08 rear gearing for a stable ride with added traction when needed. Full air disc brakes provide confident stopping power, while predictive cruise control helps improve efficiency on the road. The 24" air slide fifth wheel adds flexibility for a variety of trailer applications. Dual 120-gallon polished aluminum fuel tanks provide excellent range between stops. Inside, drivers will appreciate Ultraleather seating, refrigerator, fuel-fired sleeper heater, SmartSound insulation package, premium pocket spring mattress, 7" infotainment display with Apple CarPlay, premium speaker system with subwoofer, pull-out work surface, inverter with shore power, TV provisions, LED headlights, and a 15" digital display cluster. With polished tanks, chrome stacks, and bright exterior accents, this 579 has a sharp, professional look.