2020 PETERBILT, 579, Heavy Duty Trucks - Sleeper Trucks, CUMMINS , AMT, Tire Size - Rear: 445/50R22.5 Tire Size - Front: 275/80R22.5 BrakeType: AIR CruiseControl: Yes DualBreathers: Yes DualExhaust: No EngineMake: Cummins EngineModel: X15 HeatedMirror: Yes TiltTelescope: Yes Wheels: AA, 500 Horse Power, Suspension, Wheels, 236 Wheel Base, 445, Axle, 2.64 Ratio, 70 , VIN 1XPBD49X3LD637559