2019 PETERBILT, 579, Heavy Duty Trucks - Sleeper Trucks, PACCAR MX-13, AMT, 2019 Peterbilt 579, 58 Mid Roof Sleeper, MX13, 455 HP, 12 Speed Auto Transmission, Air Ride, Aluminum Wheels, 215 Wheelbase, Air Slide. . . . Multiple Matched Units, 455 Horse Power, Air Ride Suspension, Aluminum Wheels, 215 Wheel Base, 225LP, Axle, Ratio, 58 Mid Roof Sleeper, VIN