389, Heavy Duty Trucks - Conventional Trucks w/ Sleeper, Cummins ISX, 18 Spd, Super low miles! Truck just came in and currently in detail shop, this is a VERY clean truck with brand new virgin rubber Toya Tires 11R24.5's The sleeper has 2 beds, double bunk!, 550 Horse Power, Air Leaf Suspension, Polished Aluminum Wheels, 270 Wheel Base, 11R24.5, Tandem Axle, Ratio, 72 Mid Roof Sleeper