386, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Cummins ISX, 10 Spd, cant beat the warranty thats included. A def truck for the best fuel mileage. new steer and new caps on rear, 5 yr 500K manuf warranty, 450 Horse Power, Suspension, Wheels, 232 Wheel Base, 22.5, Tandem Axle, Ratio, 70