Cummins ISX15 6 Cylinder 15.0 L Diesel 525 hp Engine, 2014 US EPA Label, Positive Air Shutoff, Eberspacher Engine Coolant Heater, Engine Brake, Eaton Fuller RTLO-18918B 18-Speed Manual Transmission, Triple Differential Locks, 19400 lb Front Axle, 58000 lb Rears, Dana T69-170HP Drive Axles, 4.30:1 Axle Ratio, 77400.0 lb GVWR, 24 in Mid Roof Sleeper Cab, Bunk Heater, Aluminum Wheels, 425/65R22.5 Front Tires, 11R24.5 Rear Tires, Dual Steering Boxes, Double Frame, Neway ...