Machine description: 15 spd dbl o.d transmission, Bridgestone 11R24.5 tires @ 90% virgin, 10 alum uni wheels, air brakes - shoes @ 80%, Pete air trac susp, PS, AC, PM, 63" flat top sleeper, air slide 5th wheel, 80,00... more info about the 1981 Peterbilt 359.