2021 PETERBILT, 389, Heavy Duty Trucks - Sleeper Trucks, CUMMINS X15P, Manual, , 525 Horse Power, Flex Air Suspension, All Aluminum Wheels, 271 Wheel Base, 11R22.5, Axle, 3.36 Ratio, 78 Mid Roof Sleeper, VIN 1XPXD49X4MD730484