2025 Peterbilt 579 semi truck

Engine
Paccar MX-13
Displacement: 12.9L
Cylinders: 6
Fuel type: Diesel
HP: 455

Transmission
Automated manual

Chassis
Axles: Tandem
Differential lock: Inter-axle
Suspension: AirDump valves
Dump valves
Brakes: Air
GVWR: 53,200 lbsFAWR: 13,200 lbsIAWR: 20,000 lbsRAWR: 20,000 lbs
FAWR: 13,200 lbs
IAWR: 20,000 lbs
RAWR: 20,000 lbs

Interior
AC, Heat
Heated mirrors
Power windows, Power locks
Cruise control
Air ride cab
SleeperSleeper length: 72″Beds: Double bunkRefrigeratorRear climate control
Sleeper length: 72″
Beds: Double bunk
Refrigerator
Rear climate control
Auxiliary power unitThermo King Tripac
Thermo King Tripac

Features
Deck plate: Aluminum
Fifth wheel type: Air operated, Sliding
Fuel tank: Dual

Tires
Front: 295/75R22.5
Rear: 445/50R22.5