MILEAGE: 438,000, ENGINE SPECS CUMMINS ISX 500HP, ENGINE OPTS CRUISE, FUEL TYPE/CAPAC: DIESEL 2 TANK / 200 GAL, EXHAUST: DUAL, TRANS: 18 SPD. MAN., REAR SPEC: MACK 44000, REAR RATIO: 410, AXLE TYPE: TANDEM-AXLE (57,000 GVW), AXLE CAPACITY (F/R): 13,200 / 44,000, SUSPENSION: AIR..