2016 FREIGHTLINER CASCADIA DAY CAB TRACTOR , CUMMINS ISX15 450 HP , 10 SPD ULTRA SHIFT AUTOMATIC , MERRITOR REARS 3.42 RATIO AIR RIDE , 180'' WB , 98'' C/T , AIR SLIDE FIFTH WHEEL , TIRES LOW PRO 22.5 85 % , TWO 80 GALLION ALUMINUM STEP TANKS , AIR RIDE CAB , ONLY 618,357 MILES