58,000 GVW: CUMMINS X15- 505 HP/ ALLISON 4500 AUTOMATIC 6-SPEED W/OD/ DRIVER CONTROLLED FRONT AND REAR LOCKERS/18K FRONT 40K REAR AXLES/ TRUCK LOADED WITH POLISHED FUEL TANK AND WHEELS/ 15' STEEL CONSTRUCTION BODY WITH HARDOX FLOOR/ TRUNION MOUNT RAIL...