CATERPILLAR C13 ENGINE, FULLER 10SP TRANSMISSION, GVWR 52,000LBS, DAY CAB, 12,000LBS FRONT AXLE, 40,000 REAR AXLES, AIR SLIDE 5TH WHEEL, AIR RIDE SUSPENSION, TANDEM AXLES, 11R24.5 TIRES, SHOWING 390,222 MILES, VIN 1HSHXSBR17J473794