379EXHD, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Caterpillar C15, 18 Spd, Tri-axle heavy haul truck Pre-emission Double frame less then a 70k miles on overhaul with paper work., 550 Horse Power, Air Trac Suspension, All Aluminum Wheels, 280 Wheel Base, 225, Tri Axle, Ratio, 63 Raised Roof Sleeper