IN STOCK ROBSTOWN, TX USED 2012 Peterbilt 389 mid-roof sleeper tractor, Cummins ISX15 engine 450 horsepower, Eaton Fuller 13 speed transmission, air ride, drum brakes, 285 tires on aluminum wheels, air slide 5th wheel, dual chrome exhaust, dual stainless steel breathers, chrome bumper, 150 gallon and a 110 gallon fuel tanks, aluminum headache rack, cruise control, jake brake, power windows, power locks, vinyl flooring, white in color.