MACK ENGINE, 15 SPPED, DAY CAB, 12,350 LBS FRONT AXLES, 44,000 LBS REAR AXLES, AIR SLIDE 5TH WHEEL, AIR RIDE SUSPENSION, 11R24.5 ALIMINUM WHEELS, GVWR 56,350 LBS, PARTS OR REPAIR, VIN 1M1AA18Y51W141324