About Product
2021 Peterbilt 579 Sleeper Truck
Offering the perfect mix of power, comfort, and long-haul reliability, this 2021 Peterbilt 579 features a Cummins X15 engine pushing 500 horsepower, matched with a 13-speed Eaton UltraShift automated transmission. Designed for serious over-the-road performance, this truck includes an 80″ mid-roof sleeper with a single bunk and built-in refrigerator—ideal for solo operators looking for quality and efficiency.
Finished in striking Red with all-aluminum wheels and LP22.5 tires, this Peterbilt is spec’d with premium features like a TriPac APU, disc brakes, and dual side stacks. With 414,360 well-maintained miles, it’s ready to hit the road with power and style.
Top features include:
Cummins X15 500HP Diesel Engine
13-Speed Eaton UltraShift Automated Transmission
80” Mid-Roof Sleeper with Single Bunk
Built-in Refrigerator and TriPac APU
Air Disc Brakes for enhanced stopping power
Dual Chrome Side Exhaust Stacks
Pete Low Air Leaf Suspension for a smoother ride
All-Aluminum Wheels with LP22.5 Tires
3.36 Rear Axle Ratio, 245” Wheelbase
12,350 lb Front Axle, 52,350 GVWR
Air Brake System, Class 8 Heavy-Duty Configuration
🔧 Key Specifications
Model: 2021 Peterbilt 579
Type: Heavy-Duty Sleeper Truck (Class 8)
Engine: Cummins X15 – 500 HP
Transmission: 13-Speed Eaton UltraShift Automatic
Drivetrain: Rear-Wheel Drive (6×4)
Mileage: 414,360 miles
Suspension: Pete Low Air Leaf
Axles: 6×4 Configuration
GVWR: 52,350 lbs
Exterior: Red
Interior: Single-Bunk Mid-Roof Sleeper with Fridge
Features: TriPac APU, Disc Brakes, Dual Side Stacks, All-Aluminum Wheels, LP22.5 Tires, Air Brakes
